ErrLookup › alibaba/nacos

alibaba/nacos

an easy-to-use dynamic service discovery, configuration and service management platform for building AI cloud native applications. · Java · 3,666 source files

Analyzed at 9b989acdf1 on 2026-08-14. 880 documented errors.

Code / Message	Type	Severity	Tags
`20002` Request parameter `scope` must be PUBLIC or PRIVATE.	validation	error	ai-agent, validation, agent-name, illegal-argument
`10000` Request parameter `agentCard` should not be `null` or empty.	validation	error	ai-agent, validation, protocol, rad, illegal-argument
`20002` Required parameter 'registrationType' value should be `%s` or `%s` but was `%s`	validation	error	ai-agent, validation, protocol-version, illegal-argument
`10000` Required parameter 'name' type String is not present	validation	error	ai-agent, validation, label, illegal-argument
`20002` Request parameter `search` should be `accurate` or `blur`.	validation	error	ai-agent, validation, label, reserved, illegal-argument
`20002` Unsupported Agent orderBy: %s	validation	error	ai-agent, validation, transport, endpoint, illegal-argument
`20002` Invalid Agent Version status: %s	validation	error	ai-agent, validation, content-digest, fingerprint, illegal-argument
`20002` Request parameter `%s` is not valid JSON.	validation	error	ai-agent, validation, media-type, rad, illegal-argument
`20002` Request parameter `endpointSource` contains an invalid value.	validation	error	ai-agent, validation, json, required-field, illegal-argument
`20002` Request parameter `autoSubmit` must be `true` or `false`.	validation	error	ai-agent, validation, metadata, endpoint, illegal-argument
`10000` Request parameter `agentSpecName` should not be blank.	validation	error	ai-agent, validation, metadata, reserved-key, illegal-argument
`10000` Request parameter `agentSpecCard` should not be `null` or empty.	validation	error	ai-agent, validation, metadata, endpoint, illegal-argument
`10000` Request parameter `agentSpecName` should not be blank.	validation	error	ai-agent, validation, protocol-version, ascii, illegal-argument
`10000` Required parameter 'agentSpecName' type String is not present	validation	error	ai-agent, endpoint, null-check, canonicalization, illegal-argument
`10000` Request parameter `agentSpecName` should not be blank.	validation	error	ai-agent, endpoint, priority, validation, illegal-argument
`20002` Request parameter `search` should be `accurate` or `blur`.	validation	error	ai-agent, endpoint, natural-key, null-check, illegal-argument
`10000` Request parameter `agentSpecName` should not be blank.	validation	error	ai-agent, validation, uri, provider, rad, illegal-argument
`10000` Request parameter `agentSpecName` should not be blank.	validation	error	naming, instance, validation, parameter-missing, http-400
`10000` Required parameter 'scope' type String is not present	validation	error	validation, ai, agentspec, visibility, parameter, http, api
`20002` Parameter 'scope' must be PUBLIC or PRIVATE	validation	error	validation, ai, agentspec, visibility, parameter, http, api
`10000` Request parameter `agentSpecName` should not be blank.	validation	error	validation, ai, agentspec, parameter, http, api
`10000` AgentSpec name is required	validation	error	validation, ai, agentspec, client, parameter, http, api
`10000` Required parameter 'serverSpecification' type McpServerBasicInfo is not present	validation	error	validation, ai, mcp, parameter, http, api
`10000` Required parameter 'mcpId' or 'mcpName' type String at lease one is not present	validation	error	validation, ai, mcp, parameter, http, api
`10000` Required parameter 'importType' is not present	validation	error	validation, ai, mcp, import, deprecated, parameter, http, api
`20002` importType must be one of: json, url, file	validation	error	validation, ai, mcp, import, deprecated, parameter, http, api
`20002` Request parameter `search` should be `accurate` or `blur`.	validation	error	validation, ai, mcp, parameter, http, api
`20002` Required parameter 'pipelineId' is missing	validation	error	validation, ai, pipeline, parameter, http, api
`20002` Required parameter 'resourceType' is missing	validation	error	validation, ai, pipeline, parameter, http, api
`10000` Required parameter 'description' type String is not present	validation	error	validation, ai, prompt, parameter, http, api
`10000` Either 'basedOnVersion' or 'template' must be provided	validation	error	validation, ai, prompt, parameter, http, api
`10000` Required parameter 'template' type String is not present	validation	error	validation, ai, prompt, parameter, http, api
`10000` Required parameter 'promptKey' type String is not present	validation	error	validation, ai, prompt, parameter, http, api
`10000` Required parameter 'label' type String is not present	validation	error	validation, ai, prompt, label, parameter, http, api
`PARAMETER_MISSING` Required parameter 'label' type String is not present	exception	error	validation, ai, prompt, label, parameter, http, api
`PARAMETER_MISSING` Required parameter 'labels' type String is not present	exception	error	validation, ai, prompt, label, parameter, http, api
`PARAMETER_VALIDATE_ERROR` Request parameter 'search' should be 'accurate' or 'blur'.	exception	warning	validation, prompt-api, query, parameter-validation
`PARAMETER_MISSING` Required parameter 'version' type String is not present	exception	error	validation, prompt-api, required-field, version
`PARAMETER_MISSING` Required parameter 'version' type String is not present	exception	error	validation, prompt-api, required-field, version, publishing
`PARAMETER_VALIDATE_ERROR` Parameter 'version' must be in format 'major.minor.patch' (e.g., '1.0.0')	exception	warning	validation, prompt-api, version, semantic-versioning, parameter-validation
`PARAMETER_MISSING` Required parameter 'version' type String is not present	exception	error	validation, prompt-api, required-field, version, deprecation
`PARAMETER_MISSING` Request parameter `skillName` should not be blank.	exception	error	validation, skill-api, required-field, skill-name, metadata
`PARAMETER_MISSING` Request parameter `skillCard` should not be `null` or empty.	exception	error	validation, skill-api, required-field, skill-card, json
`PARAMETER_MISSING` Required parameter 'skillName' when basedOnVersion is set	exception	error	validation, skill-api, required-field, draft, forking, conditional-validation
`PARAMETER_VALIDATE_ERROR` skillCard name must match skillName parameter	exception	warning	validation, skill-api, draft, consistency, parameter-validation
`PARAMETER_MISSING` Required parameter 'skillName' type String is not present	exception	error	validation, skill-api, required-field, skill-name, base-form
`PARAMETER_MISSING` Request parameter `skillName` should not be blank.	exception	error	validation, skill-api, required-field, skill-name, labels
`PARAMETER_VALIDATE_ERROR` Request parameter `search` should be `accurate` or `blur`.	exception	warning	validation, skill-api, query, parameter-validation
`PARAMETER_MISSING` Request parameter `skillName` should not be blank.	exception	error	validation, skill-api, required-field, skill-name, lifecycle
`PARAMETER_MISSING` Request parameter `skillName` should not be blank.	exception	error	validation, skill-api, required-field, skill-name, publishing
`PARAMETER_MISSING` Required parameter 'scope' type String is not present	exception	error	validation, skill-api, required-field, scope, visibility
`PARAMETER_VALIDATE_ERROR` Parameter 'scope' must be PUBLIC or PRIVATE	exception	warning	validation, skill-api, scope, visibility, parameter-validation
`PARAMETER_MISSING` Request parameter `skillName` should not be blank.	exception	error	validation, skill-api, required-field, skill-name, submit
`PARAMETER_MISSING` Skill name is required	exception	warning	ai, skill, validation, parameter, http-api
`DATA_ACCESS_ERROR` AI resource import plugin returned null service: {}	exception	error	ai, importer, plugin, spi, server-error
`RESOURCE_NOT_FOUND` AI resource import plugin not found: {}	exception	warning	ai, importer, plugin, spi, not-found
`PARAMETER_VALIDATE_ERROR` AI resource import plugin is disabled: {}	exception	warning	ai, importer, plugin, disabled, configuration
`API_FUNCTION_DISABLED` AI resource import is disabled.	exception	warning	ai, importer, feature-flag, disabled, configuration
`RESOURCE_NOT_FOUND` AI resource import operator not found: {}	exception	error	ai, importer, operator, not-found, server-error
`PARAMETER_MISSING` parameters `mcpName` can't be empty or null	exception	warning	ai, mcp-server, grpc, validation, parameter, endpoint
`MCP_SERVER_NOT_FOUND` MCP server `%s` not found in namespaceId: `%s`	exception	warning	ai, mcp-server, grpc, not-found, endpoint
`MCP_SERVER_REF_ENDPOINT_SERVICE_NOT_FOUND` The Mcp Server Ref endpoint service not found.	exception	error	ai, mcp-server, grpc, configuration, endpoint, not-found
`PARAMETER_VALIDATE_ERROR` parameter `type` should be %s or %s, but was %s	exception	warning	ai, mcp-server, grpc, validation, endpoint, parameter
`PARAMETER_MISSING` Required parameter 'serverSpecification' type McpServerBasicInfo is not present	exception	warning	ai, mcp-server, grpc, validation, parameter, release
`MCP_SERVER_VERSION_EXIST` Mcp Server %s and target version %s already exist, do not do release	exception	warning	ai, mcp-server, grpc, conflict, release, version, duplicate
`INVALID_PARAM` parameter `type` should be %s or %s, but was %s	exception	warning	ai, a2a-agent, grpc, validation, endpoint, parameter
`INVALID_PARAM` Required parameter `agentName` can't be empty or null	exception	warning	ai, a2a-agent, grpc, validation, parameter, batch, endpoint
`INVALID_PARAM` parameters `agentCard` can't be null	exception	error	a2a, grpc, validation, agent-card, parameter-missing
${fieldName} must not be null	exception	error	rad, grpc, validation, agent-discovery, illegal-argument
${fieldName} must not be null	exception	error	rad, grpc, validation, agent-endpoint, illegal-argument
publishRequest must not be null	exception	error	rad, grpc, validation, agent-publish, illegal-argument
${fieldName} must not be null	exception	error	rad, grpc, validation, agent-search, illegal-argument
`INVALID_PARAM` `namespaceId`, `groupName`, `serviceName` should be in remoteServerConfig data i	exception	error	mcp, validation, endpoint-ref, parameter-missing
Unsupported import type: ${externalDataTypeEnum}	exception	error	mcp, import, validation, deprecated, illegal-argument
URL is blank	exception	error	mcp, registry, import, validation, illegal-argument
MCP server external id is blank	exception	error	mcp, registry, import, validation, illegal-argument
MCP server not found in registry: ${externalId}	exception	error	mcp, registry, import, not-found, illegal-state
HTTP ${code} when fetching ${pageUrl}	exception	error	mcp, registry, network, http, illegal-state
Failed to parse response body	exception	error	mcp, registry, serialization, illegal-state
Invalid URL: ${url}	exception	error	mcp, registry, url-parsing, illegal-state
`INVALID_PARAM` Invalid import type: ${request.getImportType()}	exception	error	mcp, import, validation, deprecated, invalid-param
Failed to convert to endpoint spec	exception	error	mcp, import, conversion, runtime-exception
`NOT_FOUND` mcp server `%s` for version `%s` not found	exception	error	mcp, not-found, version, config-query
`CONFLICT` mcp server `%s` has existed, please update it rather than create.	exception	error	mcp-server, conflict, duplicate, create
`INVALID_PARAM` Version must be specified in parameter `serverSpecification`	exception	error	mcp-server, validation, version, create, invalid-param
`OVER_THRESHOLD` Legacy A2A Endpoint batch exceeds ${MAX_RUNTIME_ENDPOINTS} endpoints	exception	error	a2a, endpoint, batch-limit, over-threshold, naming, capacity
`CLIENT_DISCONNECT` AI client connection already disconnected: ${parentClientId}	exception	critical	a2a, endpoint, client-connection, disconnect, grpc, runtime-exception
Legacy A2A Endpoint address must not be empty	exception	error	a2a, endpoint, validation, address, invalid-param
`CONFLICT` AgentCard name %s already exist	exception	error	a2a, agent, conflict, duplicate, create, config
`NOT_FOUND` Agent %s version %s not found.	exception	error	a2a, agent, not-found, version, config-query
`10000` Agent endpoint protocolVersion is missing for agent %s version %s. Please set en	exception	error	a2a, agent, endpoint, protocol-version, missing-param, metadata
`50100` Agent not found: %s	exception	error	a2a, agent, not-found, namespace, config-query
Agent replacement must not be null	validation	error	agent, null-check, illegal-argument, update, programming-error
Agent draft request must not be null	validation	error	agent, null-check, illegal-argument, draft, create, programming-error
Agent directory metadata is only allowed when creating the f	validation	error	agent, draft, illegal-argument, metadata, version, validation
Agent direct-online request must not be null	validation	error	agent, null-check, illegal-argument, direct-online, programming-error
Agent direct-online request must contain callInterfaces	validation	error	agent, direct-online, illegal-argument, call-interfaces, validation, version
The first Agent draft must contain callInterfaces and cannot	validation	error
Invalid Agent tag filter: %s	validation	error
Agent scope must be PUBLIC or PRIVATE	validation	error
Unsupported Agent orderBy: %s	validation	error
Agent Resource source must not be blank	validation	error
Agent draft must not be null	validation	error
Agent draft namespaceId does not match request	validation	error
Agent draft agentName does not match request	validation	error
Agent draft status must be draft	validation	error
Agent draft must not contain read-only projection fields	validation	error
Agent draft must contain either callInterfaces or basedOnVer	validation	error
Agent draft Version must differ from basedOnVersion	validation	error
Agent must not be null	validation	error
initialVersion must not be null	validation	error
Agent create input must not contain read-only projection fie	validation	error
initialVersion must not contain read-only projection fields	validation	error
initialVersion namespaceId does not match Agent	validation	error
initialVersion agentName does not match Agent	validation	error
initialVersion status must be %s	validation	error
Agent Version must not be null	validation	error
Online Agent Version must contain callInterfaces	validation	error	agent, ai-registry, validation, call-interfaces, online-version
Agent Version namespaceId does not match request	validation	error	agent, ai-registry, validation, namespace, online-version
Agent Version agentName does not match request	validation	error	agent, ai-registry, validation, agent-name, online-version
Agent Version status must be online	validation	error	agent, ai-registry, validation, version-status, online-version
Agent Version must not contain read-only projection fields	validation	error	agent, ai-registry, validation, read-only-fields, online-version
preferredLatest must target the created Version	validation	error	agent, ai-registry, validation, preferred-latest, online-version
Agent replacement must not be null	validation	error	agent, ai-registry, validation, agent-update, null-check
Agent update input must not contain read-only projection fie	validation	error	agent, ai-registry, validation, read-only-fields, agent-update
Agent tags exceeds %s persisted characters	validation	error	agent, ai-registry, validation, tags, size-limit
Invalid persisted Agent tags	exception	critical	agent, ai-registry, data-integrity, tags, deserialization
Persisted Agent tags must be a JSON array	validation	critical	agent, ai-registry, data-integrity, tags, deserialization
Persisted Agent tags must contain only strings	validation	critical	agent, ai-registry, data-integrity, tags, deserialization
Stored Agent versionInfo must not be null	validation	critical	agent, ai-registry, data-integrity, version-info, deserialization
Agent publish request must not be null	validation	error	agent, ai-registry, validation, publish, null-check
Runtime Endpoint projection exceeds 1000 items	validation	error	agent, ai-registry, rad-protocol, runtime-endpoint, size-limit
Runtime Endpoint healthy must not be null	validation	error	agent, ai-registry, rad-protocol, runtime-endpoint, health-check
Duplicate Runtime Endpoint: {}	validation	error	agent, ai-registry, rad-protocol, runtime-endpoint, duplicate
Runtime Endpoint bindings must not be empty	validation	error	agent, ai-registry, rad-protocol, runtime-endpoint, version-binding
Runtime Endpoint binding must be complete	validation	error	agent, ai-registry, rad-protocol, runtime-endpoint, version-binding
Invalid AgentResourceExt	exception	error	ai-registry, agent, deserialization, schema-mismatch
AgentResourceExt must not be null	validation	error	ai-registry, agent, null-check, validation
AgentResourceExt schemaVersion must be 1	validation	error	ai-registry, agent, schema-version, compatibility
extensions exceeds 32 entries	validation	error	ai-registry, agent, extensions, size-limit
Agent extensions contains a non-string JSON object key	validation	error	ai-registry, agent, extensions, type-violation
Unable to serialize Agent extensions	validation	error	ai-registry, agent, extensions, serialization
Agent extensions exceeds {} bytes	validation	error	ai-registry, agent, extensions, size-limit
{} must be a finite JSON number	validation	error	ai-registry, agent, extensions, numeric
{} contains a non-string JSON object key	validation	error	ai-registry, agent, extensions, type-violation
{} is not a JSON value	validation	error	ai-registry, agent, extensions, type-violation
Agent Version catalog must use descending Version order	validation	error	ai-registry, agent, version-catalog, ordering
Invalid {}	validation	error	ai-registry, agent, uri, validation
{} must be an absolute URI	validation	error	ai-registry, agent, uri, validation
{} exceeds {} Unicode code points	validation	error	ai-registry, agent, text-length, validation
AgentResourceExt JSON must not be empty	validation	error	ai-registry, agent, deserialization, empty-input
AgentResourceExt must be a JSON object	validation	error	ai-registry, agent, deserialization, type-violation
Missing AgentResourceExt field: versionCatalog	validation	error	validation, ai-agent, json-schema, serialization
AgentVersionCatalog onlineVersions must be an array	validation	error	validation, ai-agent, json-schema, serialization
{} must be an array	validation	error	validation, ai-agent, json-schema, serialization
{} must contain only strings	validation	error	validation, ai-agent, json-schema, serialization
{} must be a JSON object	validation	error	validation, ai-agent, json-schema, serialization
{} must be a string	validation	error	validation, ai-agent, json-schema, serialization
{} must be an integer	validation	error	validation, ai-agent, json-schema, serialization
Unknown {} field: {}	validation	error	validation, ai-agent, json-schema, serialization, schema-evolution
AgentResourceExt must contain one JSON value	validation	error	validation, ai-agent, json-schema, serialization
Online Agent Version protocols must contain 1 to 16 values	validation	error	validation, ai-agent, version-catalog, protocols
Duplicate protocol for Agent Version {}: {}	validation	error	validation, ai-agent, version-catalog, protocols, deduplication
`20002` Request header `Request-Module` must be `AI`.	exception	error	http, ai-agent, headers, request-validation
Runtime EndpointSet Version must not be null	validation	error	ai-agent, runtime-discovery, validation, rad
`500` Naming ServiceStorage returned no Runtime Endpoint data	error_code	critical	ai-agent, runtime-discovery, naming, server-error, distro
`503` Runtime Endpoint result exceeds 1000 natural keys	exception	error	ai-agent, runtime-discovery, capacity-limit, scalability
Runtime EndpointSet Versions must not be empty	validation	error	validation, agent-runtime, rad-discovery, illegal-argument
Unable to serialize AgentVersionContent	validation	error	serialization, agent-version, storage, illegal-argument
AgentVersionContent exceeds {MAX_CONTENT_SIZE} bytes	validation	error	capacity, agent-version, storage, illegal-argument
AgentVersionContent bytes must not be null	validation	error	validation, agent-version, digest, illegal-argument
Invalid AgentVersionContent	validation	error	deserialization, agent-version, storage-integrity, illegal-argument
AgentVersionContent must not be null	validation	error	validation, agent-version, illegal-argument
AgentVersionContent kind must be {AgentVersionContent.KIND}	validation	error	validation, agent-version, schema, illegal-argument
AgentVersionContent schemaVersion must be {AgentVersionConte	validation	error	validation, agent-version, schema-version, illegal-argument
AgentVersionContent callInterfaces must contain 1 to {MAX_CA	validation	error	validation, agent-version, capacity, call-interfaces, illegal-argument
Duplicate CallInterface protocol: {callInterface.getProtocol	validation	error	validation, agent-version, duplicate, call-interfaces, illegal-argument
AgentVersionContent must be a JSON object	validation	error	deserialization, agent-version, json, storage-integrity, illegal-argument
AgentVersionContent JSON must not be empty	validation	error	deserialization, agent-version, json, storage-integrity, illegal-argument
AgentVersionContent must contain one JSON value	validation	error	deserialization, agent-version, json, storage-integrity, illegal-argument
Unknown {objectName} field: {field}	validation	error	deserialization, agent-version, schema, unknown-field, illegal-argument
Unable to serialize Agent Version storage descriptor	validation	error	serialization, agent-version, storage-descriptor, illegal-argument
Invalid Agent Version storage descriptor	validation	error	java, nacos, ai-agent, serialization, json, data-corruption, storage-descriptor
Agent Version storage descriptor JSON must not be empty	validation	error	java, nacos, ai-agent, validation, storage-descriptor, null-input
Agent Version storage descriptor must be a JSON object	validation	error	java, nacos, ai-agent, validation, json, storage-descriptor, data-corruption
Unknown Agent Version storage descriptor field: {fieldName}	validation	error	java, nacos, ai-agent, validation, json, schema, storage-descriptor
Agent Version storage descriptor must not be null	validation	error	java, nacos, ai-agent, validation, null-input, storage-descriptor
Invalid Agent Version storage provider	validation	error	java, nacos, ai-agent, validation, storage-descriptor, provider
Invalid Agent Version contentDigest	validation	error	java, nacos, ai-agent, validation, crypto, sha256, storage-descriptor
Agent Version mediaType must be {AGENT_VERSION_MEDIA_TYPE}	validation	error	java, nacos, ai-agent, validation, media-type, storage-descriptor
Agent Version storage schemaVersion must be {SCHEMA_VERSION}	validation	error	java, nacos, ai-agent, validation, schema-version, storage-descriptor, versioning
Agent Version storage size must be between 0 and {MAX_CONTEN	validation	error	java, nacos, ai-agent, validation, size-limit, storage-descriptor
nacos_config keyFormat must be {NACOS_CONFIG_KEY_FORMAT}	validation	error	java, nacos, ai-agent, validation, provider-contract, storage-descriptor
nacos_config agentNameCodec must be {RAD_ASCII_AGENT_NAME_CO	validation	error	java, nacos, ai-agent, validation, provider-contract, storage-descriptor
Invalid Agent Version storage {field}	validation	error	java, nacos, ai-agent, validation, length-limit, storage-descriptor
Missing Agent Version storage field: {field}	validation	error	java, nacos, ai-agent, validation, json, schema, storage-descriptor
Agent Version storage {field} must be a string	validation	error	java, nacos, ai-agent, validation, json, type-mismatch, storage-descriptor
Agent Version storage {field} must be an integer	validation	error	java, nacos, ai-agent, validation, json, type-mismatch, storage-descriptor
Agent Version storage descriptor must contain one JSON value	validation	error	java, nacos, ai-agent, validation, json, storage-descriptor
`SERVER_ERROR` Agent Version content cannot be saved	exception	error	agent-version, storage, persistence, server-error
`RESOURCE_NOT_FOUND` AgentSpec not found: {agentSpecName}	http	error	agentspec, not-found, resource, read
`PARAMETER_MISSING` Version is required for agentspec version detail	validation	warning	agentspec, validation, parameter, version
`PARAMETER_VALIDATE_ERROR` Failed to read agentspec zip archive	validation	warning	agentspec, upload, zip, validation, io
`RESOURCE_CONFLICT` targetVersion already exists: {candidate}	http	error	agentspec, resource-conflict, version, duplicate, nacos-ai
`RESOURCE_NOT_FOUND` Pipeline execution not found: {pipelineId}	http	error	pipeline, resource-not-found, execution, query, nacos-ai
`PARAMETER_MISSING` Required parameter `promptKey` not present	validation	error	prompt, parameter-missing, validation, query, sdk, nacos-ai
`PARAMETER_MISSING` promptKey is required	validation	error	prompt, parameter-missing, validation, create, admin, nacos-ai
`10000` template is required when creating a new prompt	exception	error	prompt, parameter-missing, validation, create, template, nacos-ai
`20004` Base version not found: {basedOnVersion}	exception	error	prompt, resource-not-found, version, fork, nacos-ai
Failed to delete legacy latest mirror for prompt: {promptKey	exception	error	prompt, server-error, storage, legacy, delete, config-service, nacos-ai
`30000` Meta version missing	exception	critical	prompt, server-error, ai-registry, cas, data-integrity
`20002` Version must be in format major.minor.patch, got: {version}	exception	error	prompt, validation, ai-registry, version-format
`20005` Prompt version already exists: {version}	exception	error	prompt, conflict, ai-registry, version, duplicate
`30000` Meta cas failed	exception	critical	ai-registry, server-error, cas, concurrency, race-condition
`20005` Meta update conflict, retry	exception	error	ai-registry, conflict, cas, concurrency, retry
`20004` {type} not found: {name}	exception	error	ai-registry, not-found, resource-manager, generic
`20002` Current editing version is not draft: {version}	exception	error	ai-registry, version-lifecycle, draft, validation
`RESOURCE_NOT_FOUND` {type} version not found: {name}@{version}	exception	error	ai-registry, version-lifecycle, publish, not-found
`PARAMETER_VALIDATE_ERROR` Only reviewing version can be published: {version}	validation	error	ai-registry, version-lifecycle, publish, validation
`SERVER_ERROR` Failed to update scope for {type}: {name}	exception	error	ai-registry, scope, persistence, server-error, concurrency
`RESOURCE_CONFLICT` There is already a working version (editing/reviewing), cannot {action}	exception	warning	ai-registry, version-lifecycle, conflict, concurrency, draft
AI resource Version row is invalid: {name}	exception	critical	data-integrity, server-error, delete, corruption, ai-resource
AI resource {channel} recall exceeded configured candidate l	exception	critical	search, recall, server-error, configuration, vector, storage-dialect
`PARAMETER_MISSING` Required parameter `name` not present	validation	warning	validation, parameter-missing, query, skill, client
`PARAMETER_MISSING` Skill name is required	validation	warning	upload, skill, parameter-missing, yaml, frontmatter
`PARAMETER_VALIDATE_ERROR` Unsupported uploadAction: {uploadAction}	validation	warning	upload, action, validation, parameter, skill
`ACCESS_DENIED` {errMsg}, owner: {owner}	exception	error	authz, permission, access-denied, ownership, upload, skill
`RESOURCE_CONFLICT` No editing draft to overwrite: {name}	exception	error	upload, conflict, draft, lifecycle, skill
`20004` Skill not found after deleting draft: {name}	exception	error	concurrency, not-found, delete, race, skill
`20005` There is already a reviewing version: {reviewingVersion}, cannot {action}	exception	error	conflict, reviewing, lifecycle, upload, skill
`20002` Invalid version from {source}: '{version}', expected x.y.z or vN	validation	warning	upload, version, validation, semver, skill
`10000` Version is required for skill version detail	validation	error	skill, validation, parameter-missing, ai-registry, version
`20002` agentCard is invalid. Can't be parsed.	validation	error	a2a, agent, validation, ai-registry, deserialization
`SERVER_ERROR` Failed to create skill zip: ${e.getMessage()}	exception	error	skill, zip-export, server-error, serialization
`PARAMETER_VALIDATE_ERROR` skillCard is invalid. Can't be parsed.	validation	error	skill, json-deserialization, parameter-validation, skillcard
`PARAMETER_MISSING` Required parameter `skillCard.${fieldName}` not present	validation	error	skill, parameter-missing, validation, skillcard
`DATA_EMPTY` File is required	validation	error	skill, file-upload, data-empty, multipart
`PARSING_DATA_FAILED` Failed to read file: ${e.getMessage()}	exception	error	skill, file-upload, io-error, transient
`PARAMETER_VALIDATE_ERROR` Skill zip file is empty	validation	warning	skill, zip-parsing, parameter-validation, empty-input
`PARSING_DATA_FAILED` Failed to parse zip file: " + e.getMessage()	exception	error	skill, zip-parsing, parse-error, catch-all
`PARAMETER_MISSING` Skill name is required in YAML front matter	exception	error	skill, yaml, validation, ai
`PARAMETER_VALIDATE_ERROR` ARD namespaceId should be passed as query parameter	exception	error	ard, namespace, validation, ai
`PARAMETER_VALIDATE_ERROR` Parameter 'offset' must >= 0	validation	error	pagination, validation, ard, ai
`PARAMETER_MISMATCH` Parameter 'searchMode' must be " + Constants.MCP_LIST_SEARCH_BLUR + " or " + Con	validation	error	pagination, validation, search, ard, ai
`PARAMETER_VALIDATE_ERROR` cursor must be >= 0	validation	error	pagination, validation, cursor, ard, ai
`PARAMETER_MISSING` namespaceId is required	validation	error	skill, validation, namespace, ai
`PARAMETER_VALIDATE_ERROR` filePath is invalid	validation	error	skill, validation, security, path-traversal, ai
`PARAMETER_MISSING` namespaceId is required	validation	error	skill, validation, namespace, search, ai
Failed to create skill well-known archive: " + e.getMessage(	exception	error	skill, server-error, archive, io, ai
`PARAMETER_MISSING` Required ARD artifact parameter not present	exception	error	ard, validation, artifact, ai
`PARAMETER_VALIDATE_ERROR` Unsupported ARD artifact resourceType: " + resourceType	exception	error	ard, ai-registry, parameter-validation, resource-type
`DATA_ACCESS_ERROR` Failed to create ARD Skill artifact	exception	error	ard, ai-registry, skill, data-access, server-error
`PARAMETER_MISSING` Required parameter `query.text` not present	exception	error	ard, ai-registry, search, parameter-missing, validation
`PARAMETER_VALIDATE_ERROR` Unsupported ARD federation mode: " + federation	exception	error	ard, ai-registry, search, federation, parameter-validation
`400` Unsupported ARD orderBy field: {field}	validation	error	ard, ai-registry, list, order-by, parameter-validation
`501` Agent discovery is not implemented by this AiService.	exception	error	agent-discovery, ai-service, not-implemented, version, sdk
`501` Agent publication is not implemented by this AiService.	exception	error	ai-service, agent-publication, not-implemented, version-mismatch
empty payload after enc.	validation	error	codec, config-key, validation, data-corruption
illegal hex length: {len}	validation	error	codec, config-key, validation, data-corruption, hex
illegal hex at index {i}	validation	error	codec, config-key, validation, data-corruption, hex
Physical key prefix leaves insufficient room for a SHA-256 d	validation	error	codec, config-key, sha256, length-limit, storage
Invalid Agent resource status: {status}	validation	error	agent-admin, validation, status, ai-constants
Agent draft must contain either callInterfaces or basedOnVer	validation	error	agent-admin, validation, draft, xor-constraint
callInterfaces must not be null	validation	error	agent-admin, validation, draft, non-null
labels must not be null	validation	error	agent-admin, validation, labels, non-null
AgentSpec name cannot be blank	validation	error	agentspec, validation, blank, config-group
Version cannot be blank	validation	error	agentspec, validation, blank, config-group, version
Unknown mimeType: {value}	validation	error	mcp, icon, jackson, enum, mime-type, deserialization
Unknown theme: {value}	validation	error	mcp, icon, jackson, enum, theme, deserialization
Prompt key cannot be blank	validation	error	prompt, validation, blank, config-group
Version cannot be blank	validation	error	prompt, validation, blank, config-group, version
Skill cannot be null	validation	error	skill, validation, non-null, zip
Skill name cannot be blank	validation	error	skill, validation, blank, zip
Path traversal detected: {path}	exception	critical	skill, security, path-traversal, zip-slip, validation
Absolute path not allowed: {path}	exception	critical	java, nacos, ai, skills, security, path-traversal, zip
Path escapes target directory: {target} is outside {baseDir}	exception	critical	java, nacos, ai, skills, security, path-traversal, filesystem
Invalid ZIP data: too short ({length} bytes)	validation	error	java, nacos, ai, skills, zip, validation
Invalid ZIP data: missing ZIP magic header (PK\x03\x04)	validation	error	java, nacos, ai, skills, zip, validation
Base directory cannot be blank	validation	error	java, nacos, ai, skills, validation, config
Skill directory name cannot be blank	validation	error	java, nacos, ai, skills, validation
Skill directory already exists: {skillDir}	validation	warning	java, nacos, ai, skills, filesystem, validation
Failed to delete: {path}	exception	error	java, nacos, ai, skills, filesystem, io, windows
Invalid Version page metadata	validation	error	java, nacos, ai, agents, validation, pagination
versionPage.pageItems exceeds {MAX_VERSION_PAGE_ITEMS} items	validation	error	java, nacos, ai, agents, validation, pagination, capacity
latestVersion must be absent when onlineVersions is empty	validation	error	java, nacos, ai, agents, validation, catalog
Duplicate online Agent Version: {version.value}	validation	error	java, nacos, ai, agents, validation, catalog, duplicate
latestVersion must identify an onlineVersions entry	validation	error	java, nacos, ai, agents, validation, catalog
runtimeEndpointSnapshot.items exceeds {MAX_RUNTIME_ENDPOINTS	validation	error	java, nacos, ai, agents, validation, capacity, endpoints
scope must be PUBLIC or PRIVATE	validation	error	java, nacos, ai, agents, validation, enum
Invalid Agent resource status: {status}	validation	error	java, nacos, ai, agents, validation, enum, status
Invalid Agent Version status: {status}	validation	error	ai-agent, validation, status-lifecycle, illegal-argument
tags exceeds {MAX_TAGS} items	validation	error	ai-agent, validation, capacity-limit, illegal-argument
Duplicate tag: {tag}	validation	error	ai-agent, validation, uniqueness, illegal-argument
extensions exceeds {MAX_EXTENSIONS} entries	validation	error	ai-agent, validation, capacity-limit, extensions, illegal-argument
onlineCnt must be a non-negative integer	validation	error	ai-agent, validation, version-info, illegal-argument
onlineCnt must equal the number of onlineVersions entries	validation	error	ai-agent, validation, version-info, consistency, illegal-argument
editingVersion and reviewingVersion must identify different	validation	error	ai-agent, validation, version-info, consistency, illegal-argument
editingVersion and reviewingVersion must not identify online	validation	error	ai-agent, validation, version-info, consistency, illegal-argument
Labels must not identify editing or reviewing Versions	validation	error	ai-agent, validation, version-info, labels, consistency, illegal-argument
latest label must be absent when no online Version exists	validation	error	ai-agent, validation, version-info, labels, consistency, illegal-argument
latest label and versionCatalog.latestVersion must match	validation	error	ai-agent, validation, version-info, labels, consistency, illegal-argument
Version catalog label does not match versionInfo: {label}	validation	error	ai-agent, validation, version-info, labels, catalog, consistency, illegal-argument
Online Version label is missing from versionCatalog: {label.	validation	error	ai-agent, validation, version-info, labels, catalog, consistency, illegal-argument
Duplicate Version label: {label}	validation	error	ai-agent, validation, labels, catalog, uniqueness, illegal-argument
{fieldName} must contain 1 to {MAX_CALL_INTERFACES} values	validation	error	ai-agent, validation, protocols, capacity-limit, illegal-argument
Duplicate protocol: {protocol}	validation	error	ai-agent, validation, protocols, uniqueness, illegal-argument
callInterfaces must contain 1 to {MAX_CALL_INTERFACES} items	validation	error	ai-agent, validation, call-interface, capacity-limit, illegal-argument
Duplicate CallInterface protocol: {callInterface.protocol}	validation	error	ai-agent, validation, call-interface, uniqueness, illegal-argument
endpointSourceOrder must contain 1 or 2 sources	validation	error	ai-agent, validation, endpoint, call-interface, illegal-argument
Duplicate Endpoint source: {source}	validation	error	ai-agent, validation, endpoint, uniqueness, illegal-argument
declaredEndpoints exceeds {MAX_DECLARED_ENDPOINTS} items	validation	error	ai-agent, validation, capacity-limit, endpoints
Duplicate declared Endpoint: {key}	validation	error	ai-agent, validation, duplicate, endpoints
Duplicate runtime Endpoint: {endpointKey}	validation	error	ai-agent, validation, duplicate, runtime-snapshot, endpoints
Runtime Endpoint bindings must not be empty	validation	error	ai-agent, validation, runtime-snapshot, bindings
Runtime Version range must be canonical	validation	error	ai-agent, validation, version-range, canonical, runtime-snapshot
versionRange must contain runtimeVersion: {runtimeVersion}	validation	error	ai-agent, validation, version-range, runtime-snapshot, bindings
Snapshot binding does not match selected Version: {selectedV	validation	error	ai-agent, validation, version-range, runtime-snapshot, bindings
Duplicate Runtime Version binding	validation	error	ai-agent, validation, duplicate, runtime-snapshot, bindings
Runtime Endpoint state must be {expected}	validation	error	ai-agent, validation, state-invariant, runtime-snapshot
Management or declared Endpoint forbids healthy	validation	error	ai-agent, validation, endpoints, field-reserved
Invalid {fieldName}: {value}	validation	error	ai-agent, validation, uri, length-limit
Invalid {fieldName}: exceeds {maximum}	validation	error	ai-agent, validation, length-limit, optional-field
{fieldName} must be a non-negative integer	validation	error	ai-agent, validation, timestamp, required-field
{fieldName} must not be null	validation	error	ai-agent, validation, null-check, required-field
Invalid namespaceId: {namespaceId}	validation	error	ai-agent, validation, namespace, format
Invalid agentName: {agentName}	validation	error	ai-agent, validation, agent-name, length-limit, required-field
Invalid protocol: {protocol}	validation	error
Invalid protocolVersion: {protocolVersion}	validation	error
Invalid label: {label}	validation	error
The latest label is server-managed	validation	error
Invalid transport: {transport}	validation	error
Invalid contentDigest: {contentDigest}	validation	error
Invalid descriptorMediaType: {mediaType}	validation	error
{fieldName} must not be JSON null	validation	error
Endpoint metadata exceeds {MAX_METADATA_SIZE} entries	validation	error
Invalid Endpoint metadata key: {key}	validation	error
Invalid Endpoint metadata value for key: {key}	validation	error
Invalid {fieldName}: {value}	validation	error
Endpoint must not be null	validation	error
Endpoint priority must not be negative	validation	error
Endpoint weight must be between 0 and 10000	validation	error
Endpoint must not be null	validation	error
Invalid {fieldName}: {value}	validation	error
`400` Required parameter 'ip' type String is not present	validation	error
`400` Required parameter 'name' type String is not present	validation	error	naming, validation, parameter, service
Can't parse out 'groupName',but it must not be null!	validation	error	naming, parsing, service-key, defensive
Param 'serviceName' is illegal, serviceName is blank	validation	error	naming, validation, parameter, service-key
Param 'groupName' is illegal, groupName is blank	validation	error	naming, validation, parameter, service-key
Param 'serviceName' is illegal, it should be format as 'grou	validation	error	naming, validation, service-key, format
Param 'serviceName' is illegal, groupName can't be empty	validation	error	naming, validation, service-key, format
`400` Instance can not be null.	validation	error	naming, validation, instance, null-check
request timeout after {timeout} milliseconds, requestId={req	exception	error	rpc, timeout, network, grpc, client
baseType must not be null	validation	error	json, validation, subtype, plugin, constructor
subtype must not be null	validation	error	json, validation, subtype, plugin, constructor
typeName must not be empty	validation	error	json, validation, subtype, plugin, constructor
NacosTypeReference must be created with generic type informa	validation	error	json, generics, reflection, constructor
Request parameter `agentSpecCard` should not be null or empt	validation	error	ai, agentspec, auth, http, validation, parameter
Request parameter `agentSpecCard` is invalid and cannot be p	validation	error	ai, agentspec, auth, http, json, deserialization
Required parameter `agentSpecCard.name` is not present.	validation	error	ai, agentspec, auth, http, validation, parameter
Request parameter `name` should not be null or empty.	validation	error	ai, agentspec, auth, http, validation, parameter
Unsupported nacos deployment type {type}	exception	critical	bootstrap, startup, config, deployment, enum
`PARAMETER_MISSING` Required parameter `mcpName` not present	validation	error	mcp, validation, client-sdk, ai, parameter-missing
`PARAMETER_VALIDATE_ERROR` Required parameter `endpoint.version` can't be different, current includes: %s.	validation	error	a2a, agent, validation, client-sdk, ai, batch, version, parameter-validate-error
`INVALID_PARAM` parameters `promptKey` can't be empty or null	validation	error	ai-registry, prompt, parameter-validation, client
`INVALID_PARAM` AbstractNacosAgentDiscoveryListener must not be null.	validation	error	ai, agent-discovery, validation, invalid-param, listener
`INVALID_PARAM` Required parameter `agentSpecName` not present	validation	error	ai, agent-spec, validation, invalid-param
`INVALID_PARAM` Required parameter `promptKey` not present	validation	error	ai, prompt, subscription, validation, invalid-param
`INVALID_PARAM` Required parameter `skillName` not present	validation	error	ai, skill, subscription, validation, invalid-param
`SERVER_ERROR` Request Nacos server failed: connection is unavailable, unable to determine %s a	exception	critical	ai, grpc, connection, ability-negotiation, server-error
`SERVER_NOT_IMPLEMENTED` Request Nacos server does not support %s feature.	exception	error	ai, grpc, ability-negotiation, version-mismatch, not-implemented
`400` Unknown AI request type: %s	exception	error	ai, grpc, request-type, validation, programmer-error
`SERVER_ERROR` Downloaded ZIP contains unsafe entry paths: %s	exception	error	ai, skill, security, zip-slip, validation, http
`INVALID_PARAM` no server available	exception	critical	ai, http, server-list, config, invalid-param, agent-api
Failed to request API: %s after all servers(%s) tried: %s	exception	error	ai, http, retry, all-servers-failed, agent-api, network
`NOT_MODIFIED` not modified	exception	info	nacos, ai-client, http, not-modified, conditional-request, cache
`304` not modified	exception	info	nacos, ai-client, http, not-modified, conditional-request, skill-download
`{restResult.getCode()}` {restResult.getMessage()}	exception	error	nacos, ai-client, http, server-error, skill-download
`400` no server available	exception	error	nacos, ai-client, http, server-list, agentspec-query, configuration
`{exception.getErrCode()}` Failed to request API: {api} after all servers({servers}) tried: {exception.getM	exception	error	nacos, ai-client, http, network, retry-exhaustion, agentspec-query
Can't get single data from batched data.	exception	error	nacos, ai-client, agent-endpoint, type-mismatch, programming-error
Can't get batched data from single data.	exception	error	nacos, ai-client, agent-endpoint, type-mismatch, programming-error
invalid dataId	validation	error	nacos, config-client, group-key, validation, illegal-argument
invalid group	validation	error	nacos, config-client, group-key, validation, illegal-argument
invalid groupkey:{groupKey}	validation	error	nacos, config-client, group-key, validation, illegal-argument, encoding
[NACOS HTTP-GET] The maximum number of tolerable server reco	exception	critical	network, config, http-get, client, retry-exhausted
no available server	exception	critical	network, config, http-get, client, timeout
[NACOS HTTP-POST] The maximum number of tolerable server rec	exception	critical	network, config, http-post, client, retry-exhausted
no available server, currentServerAddr : {currentServerAddr}	exception	critical	network, config, http-post, client, timeout
[NACOS HTTP-DELETE] The maximum number of tolerable server r	exception	critical	network, config, http-delete, client, retry-exhausted
listener is null	validation	error	config, listener, validation, client
dataId={dataId}, group={group}	validation	error	config, cache-data, validation, client
`{response.getErrorCode()}` http error, code={response.getErrorCode()},msg={response.getMessage()},dataId={d	exception	error	config, server-error, client, get-config
`-503` More than client-side current limit threshold	exception	warning	config, rate-limit, client, qps, throttle
`{e.getErrCode()}` Get Running Client failed:	exception	error	config, grpc, capability, client, connection
not support to cancel fuzzy watch	exception	warning	config, fuzzy-watch, future, client, unsupported
fuzzy watch result future timeout for {unit.toMillis(timeout	exception	warning	config, fuzzy-watch, timeout, client
Non-reentrant lock does not allow reentry on the same thread	exception	error	lock, distributed, non-reentrant, reentrancy, client-guard
Lock interrupted	exception	error	lock, distributed, interruption, concurrency
Failed to acquire lock: {}	exception	error	lock, distributed, grpc, network, connection
Recursive unlock() detected for key={}	exception	error	lock, distributed, reentrancy, unlock, concurrency
Current thread does not hold the lock	exception	error	lock, thread-local, reentrant, illegal-state, distributed-lock
Unlock rejected by server, key={}, msg={}	exception	error	lock, server-reject, distributed-lock, lease-expiry, watchdog
Failed to unlock: {}	exception	error	lock, network, grpc, distributed-lock, transport-error
Condition not supported in Nacos distributed lock	exception	error	lock, condition, unsupported-operation, distributed-lock, api-limitation
NacosLockService has been shut down	exception	error	lock, lifecycle, shutdown, illegal-state, resource-management
`501` Request Nacos server version is too low, not support lock feature.	exception	error	lock, version-mismatch, ability-negotiation, grpc, server-not-implemented
`500` Request nacos server failed: {}	exception	error	lock, grpc, network, transport-error, server-error
`-400` wrong group name prefix of instance service name! it should be: %s, Instance: %s	exception	error	naming, group-name, validation, compatibility-mode, invalid-param
failed to create cache : {}{}	exception	error	naming, disk-cache, filesystem, io, permissions
not support to cancel fuzzy watch	exception	warning	naming, fuzzy-watch, future, unsupported-operation, api-limitation
fuzzy watch result future timeout for {} millis	exception	warning	naming, fuzzy-watch, timeout, future, initialization
`501` Request Nacos server version is too low, not support fuzzy watch feature.	exception	error	naming, fuzzy-watch, version-mismatch, ability-negotiation, server-not-implemented
`-401` Interrupted while shutting down service info disk cache refresher	exception	warning	naming, disk-cache, shutdown, interrupted, lifecycle
no host to srv for serviceInfo: {}	exception	error	naming, load-balancing, no-instances, service-discovery, illegal-state
serverList is empty,please check configuration	exception	critical	naming, configuration, server-list, startup, no-servers
`400` [Batch deRegistration] need deRegister instance is empty, instances: %s,	exception	error	naming, batch-deregister, validation, client
`500` Server return invalid response	exception	critical	naming, grpc, version-mismatch, protocol, server
Do not support register ephemeral instances by HTTP, please	exception	error	naming, http-proxy, ephemeral, registration, client
Do not support persistent instances to perform batch registr	exception	error	naming, http-proxy, batch-register, unsupported, client
Do not support persistent instances to perform batch de regi	exception	error	naming, http-proxy, batch-deregister, unsupported, client
Do not support query instance by http client,please use gRPC	exception	error	naming, http-proxy, query, unsupported, client
Do not support subscribe service by UDP, please use gRPC rep	exception	error	naming, http-proxy, subscribe, unsupported, client
`400` no server available	exception	critical	naming, http-proxy, no-server, configuration, startup
failed to req API:{} after all servers({}) tried: {}	exception	critical	naming, http-proxy, all-servers-failed, network, retry
The parameter 'regex' cannot be null.	validation	error	naming, selector, validation, null-check, client
The parameter 'metadata' cannot be null.	validation	error	naming, selector, validation, null-check, client
Cumulative Weight wrong , the array length is equal to 0.	exception	critical	naming, load-balancing, weight, chooser, client
Cumulative Weight calculate wrong , the sum of probabilities	exception	critical	naming, load-balancing, weight, floating-point, chooser, client
file not exist	exception	error	disk, file-io, concurrency, filesystem, client
lock {} conflict	exception	error	disk, file-io, file-lock, concurrency, contention, client
[http-client] invalid connect timeout:{}	validation	critical	configuration, timeout, startup, validation, client
[http-client] invalid read timeout:{}	validation	critical	configuration, client-init, timeout, static-initializer
invalid PER_TASK_CONFIG_SIZE, expected value type double	validation	critical	configuration, client-init, static-initializer, config-client
Illegal url path expression	validation	error	configuration, validation, context-path, client-init
`-400` No server list provider found.	exception	critical	spi, server-discovery, client-init, configuration
`400` properties is null	validation	error	validation, server-discovery, null-check, spi
`500` fail to get NACOS-server serverlist! not connnect url:{}	exception	critical	network, server-discovery, endpoint, retry-exhausted
`500` can not get security credentials, responseCode: {}, response: {}	exception	error	auth, ram, sts, network, credentials
unsupported Algorithm:{}	exception	critical	auth, ram, crypto, jce-provider, signing
InvalidKey	exception	critical	auth, ram, crypto, credentials, signing
signWithhmacSHA1Encrypt fail	exception	error	auth, ram, crypto, signing, spas
Invalid boolean value '{}'	validation	error	configuration, type-conversion, validation, boolean
converter not found, can't convert from String to {}	exception	warning	type-conversion, configuration, internal-api, unsupported-type
Cannot convert String [{}] to Integer	validation	error	configuration, type-conversion, validation, integer
Cannot convert String [{property}] to Long	validation	error	configuration, type-conversion, validation, long
`500` Cannot initialize CmdbService!	error_code	error	server, cmdb, spi, configuration, startup
Input array too big, the output array would be bigger ({len}	validation	warning	base64, encoding, validation, size-limit
Unsupported http method : {name}	validation	error	http-client, validation, http-method, enum
httpClientFactory is null	exception	error	http-client, null-check, validation, internal-api
Illegal url path expression : {subPath}	validation	error	http-client, validation, url-construction, context-path
list size must be a multiple of 2	validation	error	http-client, validation, header, argument
MediaType must not be empty	validation	error	http-client, media-type, validation, argument
`100` Nacos serialize for class [%s] failed.	error_code	error	serialization, jackson, json, runtime
`101` Nacos deserialize for class [%s] failed, cause error[%s].	error_code	error	deserialization, jackson, json, runtime
Jackson 3 is not available on the runtime classpath.	exception	critical	classpath, jackson3, dependency, init
`100` Nacos serialize for class [%s] failed.	error_code	error	serialization, jackson3, json, runtime
`101` Nacos deserialize for class [%s] failed, cause error[%s].	error_code	error	deserialization, jackson3, json, runtime
Publisher does not start	exception	error	event-bus, notify-center, lifecycle, state
The subscriber has no event publisher	exception	warning	event-bus, notify-center, subscriber, lifecycle
ASM ClassReader failed to parse class file - probably due to	exception	error	classpath, asm, package-scan, jdk-version
{getDescription()} cannot be resolved in the file system for	exception	error	resource, io, file, classpath
{getDescription()} cannot be resolved in the file system for	exception	error	resource, io, file, classpath
{getDescription()} cannot be resolved to URL	exception	error	resource, io, url, api-surface
Invalid URI [{url}]	exception	error	resource, io, url, uri, encoding
{getDescription()} cannot be resolved to absolute file path	exception	error	resource, io, file, api-surface
{getDescription()} cannot be resolved in the file system for	exception	error	resource, io, file, lifecycle
Cannot create a relative resource for {getDescription()}	exception	error	resource, io, file, api-surface
The number of capturing groups in the pattern segment {patte	validation	error	antpathmatcher, uri-template, regex, resource-matching, validation
Capturing patterns ({name}) are not supported by the AntPath	validation	error	antpathmatcher, uri-template, wildcard, resource-matching, validation
{getDescription()} cannot be opened because it does not exis	exception	error	classpath, resource, io, filenotfound, packaging
{getDescription()} cannot be resolved to URL because it does	exception	error	classpath, resource, url, io, packaging
`-401` Client not connected, current status:{}	exception	error	rpc-client, grpc, connection, client-disconnect, network
`500` Unknown Exception.	exception	error	rpc-client, grpc, server-error, transport, transient
`{}` {}	exception	error	rpc-client, grpc, server-error, forwarded, unregister
unsupported connection type :{}	exception	error	rpc-client, factory, connection-type, grpc, validation
trustCollectionCertFile must be not null	validation	error	grpc, tls, ssl, truststore, config
client certChainFile or certPrivateKey must be not null	validation	error	grpc, tls, ssl, mtls, config
Unable to build SslContext	exception	error	grpc, tls, ssl, netty, certificates
`500` {}	exception	error	grpc, connection, timeout, server-error, transport
`{}` {}	exception	error	grpc, client, remote, error-response, server-side
`500` Unknown payload type:{}	exception	critical	grpc, serialization, version-mismatch, payload-registry, remote
`500` this class name not found	exception	error	spi, classpath, plugin-loading, configuration, reflection
Unsupported object type: null	validation	warning	collections, null-check, validation, utility
Unsupported object type: {}	validation	warning	collections, type-mismatch, validation, utility
Expected an array of elements (or empty array) but received	validation	warning	collections, varargs, null-check, utility
iterable cannot be null.	validation	warning	collections, null-check, validation, utility
expected one element but was: <{}>	validation	warning	collections, cardinality, validation, utility
date must not be null	validation	warning	date, null-check, formatting, utility
pattern must not be null	validation	warning	date, null-check, formatting, configuration, utility
Param 'resourcePattern' is illegal, resourcePattern is blank	validation	warning	fuzzy-listen, validation, configuration, naming, blank-check
Param 'groupPattern' is illegal, group is blank	validation	warning	fuzzy-listen, validation, configuration, naming, blank-check
ip and port string cannot be empty!	validation	warning	network, address-parsing, validation, configuration, ipv6
{} is invalid IP	validation	warning	network, ip-parsing, validation, ipv4, ipv6
delete fail	exception	warning	io, filesystem, file-lock, windows, permissions
{} does not exist	validation	warning	io, filesystem, validation, directory, precondition
{} is not a directory	validation	warning	io, filesystem, validation, directory, type-mismatch
Failed to list contents of {}	exception	error
`100` Nacos serialize for class [%s] failed.	exception	error
`101` Nacos deserialize for class [%s] failed, cause error[%s].	exception	error
{}	validation	error
startInclusive must be less than or equal to the endExclusiv	validation	error
Both parameters must be non-negative	validation	error
`5034` Configuration content size limit exceeded [group=%s, namespaceId=%s].	exception	error
Configuration limit exceeded [group=%s, namespaceId=%s].	exception	error
`10000` At least one of the parameters (groupName or namespaceId) must be provided	http	error
`20004` Config not exist, please publish Config first.	http	error
`10000` Required parameter 'grayRuleExp' type String is not present	validation	error	config, gray-release, parameter-missing, validation
`20002` invalid grayName : %s	validation	error	config, gray-release, parameter-validation, validation
`20004` certain config history for nid = %s not exist	http	error	config, history, resource-not-found, database
`10000` Required parameter 'dataId' type String is not present	validation	error	config, parameter-missing, validation, form
`10000` Required parameter 'groupName' type String is not present	validation	error	config, parameter-missing, validation, form, v3-api
`10000` The parameters quota, maxSize, maxAggrCount, maxAggrSize cannot be empty at the	validation	error	config, capacity, parameter-missing, validation
`400` tagv2 gray rule parse failed: raw string [%s] doesn't match pattern[%s].	exception	error	config, gray-release, tag-rule, validation, invalid-param
`400` tagv2 gray rule parse failed: key and value's[%s] doesn't match pattern[%s].	validation	error	config, gray-release, tag-rule, multitag, validation, invalid-param
`400` gray rule parse failed: raw rule[%s] doesn't match pattern[%s].	validation	error	config, gray-release, tag-rule, singletag, validation, invalid-param
invalid probeModify	validation	error	config, listener, client-protocol, validation
`50310` fuzzy watch pattern over limit	error_code	error
`20005` Cas publish fail, server md5 may have changed.	http	error
config already exist, dataId: %s, group: %s, namespaceId: %s	exception	error
`20012` config gray rule version invalid	http	error
`20011` config gray rule format invalid	http	error
`20010` gray config version is over max count :{maxGrayVersionCount}	http	error
Please check dataId, group or namespaceId.	exception	error
`404` config is not found for dataId={dataId}, group={group}	http	error
config deletion failed	exception	error
Failed to config batch deletion	exception	error
tenantId can not be null	validation	error
`-400` parameter is invalid.	validation	error
`404` config is not found for dataId={dataId}, group={group}	http	error
`20002` invalid dataId : {}	validation	error
invalid tag : {}	validation	error	config, validation, tag, v1, illegal-argument
too long tag, over 16	validation	error	config, validation, tag, v1, length-limit, illegal-argument
invalid tenant	validation	error	config, validation, tenant, namespace, v1, illegal-argument
too long tenant, over 128	validation	error	config, validation, tenant, namespace, v1, length-limit, illegal-argument
`400` could not determine a constructor for the tag {}{}	validation	error	config, yaml, serialization, metadata, import-export, invalid-param
`INVALID_PARAM` Configuration cannot be null	validation	warning	validation, console, copilot, ai, api
`SERVER_ERROR` Failed to import tools from MCP server	error_code	error	network, mcp, ai, server-error, timeout
`PARAMETER_VALIDATE_ERROR` Plugin type and name are required	validation	warning	validation, plugin, console, api
`WEIGHT_ERROR` instance format invalid: The weights range from %s to %s	validation	warning	validation, naming, instance, weight
`PARAMETER_VALIDATE_ERROR` Console only supports deregistering persistent instances	validation	warning	validation, naming, instance, ephemeral
`SELECTOR_ERROR` not match any type of selector!	validation	warning	validation, naming, selector, service
`RESOURCE_NOT_FOUND` certain config history for nid = %s not exist	http	warning	config, history, not-found, console
`RESOURCE_NOT_FOUND` Plugin not found: %s	http	warning	plugin, not-found, console, cluster
`SERVICE_NOT_EXIST` service %s is not exist.	http	warning	naming, service, not-found, console
`API_FUNCTION_DISABLED` Nacos AI A2A module and API required both `naming` and `config` module.	http	error	ai, a2a, feature-disabled, deployment, agent
`API_FUNCTION_DISABLED` Nacos AI AgentSpec module and API required both `naming` and `config` module.	http	error	ai, agentspec, feature-disabled, deployment, agent
`API_FUNCTION_DISABLED` Nacos AI MCP module and API required both `naming` and `config` module.	exception	error	ai, mcp, noop-handler, module-disabled, function-mode, list
`API_FUNCTION_DISABLED` Nacos AI Pipeline module requires both `naming` and `config` module.	exception	error	nacos, ai-module, feature-disabled, pipeline, ai-registry
`API_FUNCTION_DISABLED` Nacos AI Skill module and API required both `naming` and `config` module.	exception	error	nacos, ai-module, feature-disabled, skill, ai-registry
`API_FUNCTION_DISABLED` Current functionMode is `naming`, config module is disabled.	exception	error	function-mode, config, noop-handler, naming-only, configuration
`API_FUNCTION_DISABLED` Current functionMode is `naming`, config module is disabled.	exception	error	function-mode, config-history, noop-handler, naming-only, configuration
`API_FUNCTION_DISABLED` Current functionMode is `config`, naming module is disabled.	exception	error	function-mode, naming, noop-handler, config-only, configuration
`API_FUNCTION_DISABLED` Current functionMode is `config`, naming module is disabled.	exception	error
`SERVER_ERROR` No healthy server node found.	exception	error
`DATA_ACCESS_ERROR` Remote AI resource import response is empty.	exception	error
`API_FUNCTION_DISABLED` MCP import functionality is not supported in remote mode	exception	error
`SERVER_ERROR` empty Result	exception	error
${responseException.getMessage()}	exception	error
`SERVER_ERROR` Import config to server failed.	exception	error
Labels must be a JSON object	validation	warning	validation, agent, labels, frontend, json
The latest label is managed by the server	validation	warning	validation, agent, labels, reserved-key, frontend
HTTP error! status: ${response.status}	exception	error	network, sse, prompt, debug, frontend, auth
HTTP error! status: ${response.status}	exception	error	network, sse, prompt, optimize, frontend, auth
HTTP error! status: ${response.status}	exception	error	network, sse, skill, optimize, frontend, auth
${name} is required	validation	warning	validation, agent, required-field, frontend
${name} must be valid JSON	validation	warning	validation, json, agent, frontend
transport must contain 1 to 64 letters, digits, +, or -	validation	warning	validation, agent, transport, regex, frontend
Invalid Endpoint URI: ${uri}	validation	warning	validation, agent, endpoint, uri, frontend
AgentCard interface must be a JSON object	validation	warning	validation, agent, a2a, interface, frontend
agentCard must be a JSON object	validation	warning	validation, agent, a2a, agent-card, frontend
${name} must be a JSON object	validation	warning	validation, agent, extensions, json, frontend
protocol must be unique: ${callInterface.protocol}	validation	warning	validation, agent, protocol, duplicate, frontend
at least one protocol is required	validation	warning	validation, agent, protocol, required, frontend
callInterfaces must be a non-empty JSON array	validation	warning	validation, agent, call-interfaces, json, frontend
providerName is required when providerUrl is set	validation	warning	validation, agent, provider, required, frontend
Invalid JSON/YAML format	validation	error	parsing, openapi, validation, json, yaml, input-format
File format invalid	validation	error	openapi, validation, format, swagger
HTTP ${response.status}	http	error	network, http, sse, fetch, authentication
agent.labelsObjectRequired	validation	error	validation, labels, json, agent
agent.latestLabelManaged	validation	error	validation, labels, reserved-key, agent
${name} is required	validation	error	validation, required-field, form, agent
${name} must be valid JSON	validation	error	validation, json, parsing, form
transport must contain 1 to 64 letters, digits, +, or -	validation	error	validation, transport, regex, protocol
Invalid Endpoint URI: ${uri}	validation	error	validation, endpoint, url, format
AgentCard interface must be a JSON object	validation	error	validation, agentcard, a2a, interface
agentCard must be a JSON object	validation	error	validation, agentcard, json, a2a
raw callInterfaces cannot be converted to a structured proto	validation	error	conversion, protocol, agent, state
nativeDescriptor must not be JSON null	validation	error	validation, descriptor, json, agent
protocol must be unique: ${callInterface.protocol}	validation	error	validation, protocol, uniqueness, agent
${name} must be a JSON object	validation	error	validation, json, object, form
at least one protocol is required	validation	error	validation, protocol, required, agent
callInterfaces must be a non-empty JSON array	validation	error	validation, callinterfaces, json, array, agent
providerName is required when providerUrl is set	validation	error	validation, provider, required-field, agent
agent.versionRequired	validation	error	agent, typescript, react, routing, validation
HTTP ${response.status}	http	error	sse, copilot, prompt-debug, typescript, network, react
HTTP ${response.status}	http	error	sse, copilot, prompt-optimize, typescript, network, react, dialog
Invalid JSON/YAML format	validation	error	openapi, swagger, typescript, json, yaml, parsing
File format invalid: not a valid OpenAPI or Swagger document	validation	error	openapi, swagger, typescript, validation, spec
Prompt is required	validation	error	copilot, prompt-debug, java, validation, form
User input is required	validation	error	copilot, prompt-debug, java, validation, form
Prompt is required	validation	error	copilot, prompt-optimize, java, validation, form
Background information is required	validation	error	copilot, skill-generation, java, validation, form
Skill is required	validation	error	copilot, skill-optimize, java, validation, form
Skill name is required	validation	error	copilot, skill-optimize, java, validation, form
Code: %d, Message: %s.	http	error	auth, authorization, java, web-filter, permissions, http
`50001` Invalid auth type, Please set `nacos.plugin.auth.type` (legacy alias: `nacos.cor	error_code	critical	auth, config, java, startup, admin-api, bootstrap
`50002` Empty identity, Please set `nacos.core.auth.server.identity.key` and `nacos.core	error_code	critical	auth, config, java, startup, admin-api, identity, security
`50001` Invalid auth type, Please set `nacos.plugin.auth.type` (legacy alias: `nacos.cor	error_code	critical	auth, config, java, startup, open-api, bootstrap
`50002` Empty identity, Please set `nacos.core.auth.server.identity.key` and `nacos.core	error_code	critical	auth, config, java, startup, open-api, identity, security
`403` Code: %d, Message: %s.	exception	error	auth, authentication, java, grpc, remote-filter, sdk, security
The addressing mode exists : {name}, just support : [{Arrays	validation	error	cluster, addressing-mode, configuration, illegal-argument
`500` Spring MVC RequestMappingHandlerMapping is unavailable	exception	critical	spring-mvc, controller, infra, handler-mapping, server-error
Ambiguous methods mapped for '{request.getRequestURI()}': {{	exception	error	spring-mvc, controller, ambiguous-mapping, legacy-resolver
`404` Invalid URI	http	warning	spring-mvc, uri, http, legacy-resolver, not-found
`23000` Illegal state: {state}	http	warning	cluster, validation, node-state, api, bad-request
`10000` required parameter 'nodes' is missing	http	warning	cluster, validation, parameter-missing, api, bad-request
`22000` namespaceId [{namespaceId}] mismatch the pattern	http	warning	namespace, validation, illegal-namespace, api, bad-request, regex
`20002` Plugin configuration is required	http	warning	plugin, validation, api, bad-request, configuration
The resource is not registered with the distributed ID resou	exception	error	id-generator, snowflake, registration, nosuchelement, internals
Cannot get LocalHost InetAddress, please check your network!	exception	critical	id-generator, snowflake, network, startup, inet, configuration
worker Id can't be greater than %d or less than 0, current w	validation	critical	id-generator, snowflake, validation, configuration, startup
Fail to init [BaseRpcServer].	exception	critical	raft, jraft, grpc, network, port-binding, startup, cp-protocol
Failed to install JRaft authentication interceptor	exception	critical	raft, jraft, grpc, interceptor, auth, startup, cp-protocol
Illegal Raft system parameters => ReadOnlyOption : [{val}],	validation	error	raft, jraft, configuration, validation, startup, cp-protocol
`20002` Required parameter 'pageNo' should be positive integer, current is %d	validation	warning	pagination, validation, http-api, client-error
`10000` Raft command is required.	validation	warning	raft, cluster-ops, validation, admin-api
`10000` Log name is required.	validation	warning	logging, ops, validation, admin-api
`10000` required parameter 'namespaceName' is missing	validation	warning	namespace, validation, admin-api
`10000` required parameter 'namespaceId' is missing	validation	warning	namespace, validation, admin-api
`500` Namespace creation failed	exception	error	namespace, persistence, derby, server-error, embedded-db
`RESOURCE_NOT_FOUND` Plugin not found: {pluginId}	exception	warning	plugin, not-found, validation, console-api
`PARAMETER_VALIDATE_ERROR` Plugin does not support configuration: {pluginId}	exception	warning	plugin, configuration, validation, console-api
`SERVER_ERROR` Failed to apply local-only plugin config: {pluginId}	exception	error	plugin, configuration, local-only, server-error
Plugin selection for exclusive type '{}' requires restart. U	validation	warning	plugin, exclusive, restart-required, validation
Pre-context plugin {} requires restart: {pluginId}	validation	warning	plugin, pre-context, restart-required, validation
Pre-context plugin configuration requires restart: {pluginId	validation	error
Required config missing: {}	validation	error
Unknown plugin config key: {}	validation	error
Plugin config value cannot be null: {}	validation	error
Plugin config key requires restart and cannot be updated at	validation	error
Plugin config value is not a number: {}	validation	error
Plugin config value is not a boolean: {}	validation	error
Plugin config value is not in enum values: {}	validation	error
Ambiguous plugin config key '{}' matches multiple items: {}	validation	error
Plugin config source is not updatable: {sourceType}	validation	error
Runtime persisted plugin config source is unavailable	exception	error
Failed to initialize plugin config: {pluginId}	exception	error
Static plugin config was refreshed but failed to apply: {plu	exception	error
Failed to apply restored plugin config: {pluginId}	exception	error
Plugin config source was updated but failed to apply, plugin	exception	error
Plugin config source is not runtime updatable: {sourceType}	validation	error
Runtime persisted plugin config storage '{storageName}' is u	exception	error
Failed to create plugin data directory: {dataDir}	exception	error
Failed to save plugin state: {pluginId}	exception	error
Failed to replace all plugin states	exception	error
Failed to save plugin config: {pluginId}	exception	error
Failed to replace all plugin configs	exception	error
Failed to delete plugin state: {pluginId}	exception	error
Failed to delete plugin config: {pluginId}	exception	error
Failed to read plugin persistence file: {fileName}	exception	error
Plugin consensus group is unavailable, state={state}{failure	exception	error
`400` [pluginId={pluginId}, operation={operationType}] {validationErrorMessage}	error_code	error
`500` [pluginId={pluginId}, operation={operationType}] {applyErrorMessage}	error_code	error
`400` request id conflict	error_code	error
`22001` namespaceId [ {} ] not exist	http	error
`22002` namespaceId [{}] already exist.	http	error
Param '{}' is required.	validation	error
lockType or lockKey is null.	validation	error
lockType: {} is not exist.	validation	error
{response.getErrMsg()}	exception	error
cancel wait error.	exception	error
tryLock error.	exception	error
unLock error.	exception	error
renew error.	exception	error
expire error.	exception	error
Server certChainFile or certPrivateKey must be not null	validation	error
enable mutual auth,trustCollectionCertFile must be not null	validation	error
`500` {} load fail	exception	error
Informer serviceInformer sync timed out	exception	error
Informer endpointInformer sync timed out	exception	error
can not find implementation of {} for type {}	exception	error
Could not initialize Log4J2 logging from {}	exception	error
Could not initialize Logback Nacos logging from {}	exception	error
Could not open URL [{}].	exception	error
Could not close input stream	exception	error
serverList is empty,please check configuration	exception	error
Agent request must not be null	validation	error
`400` properties is null	exception	error
Protocol-neutral Agent maintenance is not supported by this	exception	error
`400` Mcp server specification cannot be null.	exception	error
`500` empty response body	exception	error
`400` Properties cannot be null	exception	error
`-400` Cross-namespace clone is not supported by this implementation.	exception	error
`400` betaIps is empty, not publish beta configuration, please use `publishConfig` dir	exception	error
`500` empty Result	exception	error
Failed to update plugin status: {}	exception	error
Failed to update plugin config: {}	exception	error
`400` Parameter `newMetadata` can't be null	validation	error	validation, naming, maintainer-client, null-check, metadata
`400` properties is null	exception	error	validation, maintainer-client, null-check, factory, initialization
No available server after {} retries, last tried server: {},	exception	critical	network, maintainer-client, retry, server-unavailable, http-proxy
`502` No available server after {} retries, last tried server: {}	exception	critical	network, maintainer-client, retry, server-unavailable, connection-error, http-proxy
Unsupported HTTP method: {}	exception	error	validation, maintainer-client, http-proxy, http-method, illegal-argument
[http-client] invalid connect timeout:{}	exception	error	configuration, maintainer-client, timeout, number-format, initialization
[http-client] invalid read timeout:{}	exception	error	configuration, maintainer-client, timeout, number-format, initialization
[http-client] invalid max retry times:{}	exception	error	configuration, maintainer-client, retry, number-format, initialization
[http-client] invalid auth refresh interval:{}	exception	error	configuration, maintainer-client, auth, number-format, initialization
`20004` clientId [ {clientId} ] not exist	http	error	naming, client-management, not-found, admin-api, connection
`21006` not match any type of selector!	validation	error	naming, selector, validation, admin-api, cmdb
`404` service %s@@%s is not found!	validation	error	naming, not-found, catalog, service, admin-api
`20004` Client id %s not exist.	validation	error	naming, client-management, not-found, admin-api, connection
`400` service not found groupName: %s,serviceName: %s	validation	error	naming, not-found, cluster, metadata, admin-api
`400` health check is still working, service: %s@@%s, cluster: %s	validation	warning	naming, health-check, conflict, concurrency, admin-api
`21004` service not found, namespace: {namespaceId}, service: {service}	validation	error	naming, instance, not-found, validation, admin-api
`20004` no ips found for cluster {cluster} in service {service.getGroupedServiceName()}	validation	error	naming, instance, not-found, health-check, admin-api
`500` service not found: {groupedServiceName}@{namespaceId}	exception	critical	naming, server-error, heartbeat, service-manager, internal-consistency
`21007` specified service %s already exists!	validation	warning	naming, service-create, already-exists, validation
`21008` service %s not found!	validation	error	naming, service-update, not-exist, validation
`21009` Service {service.getGroupedServiceName()} is not empty, can't be delete. Please	validation	error	naming, service-delete, not-empty, instances, validation
`50310` fuzzy watch pattern over limit	error_code	error	naming, fuzzy-watch, over-limit, quota, configuration
`500` do metadata operation failed {response.getErrMsg()}	exception	critical	naming, metadata, cp-protocol, raft, server-error, write-failure
`400` Current service %s is persistent service, can't register ephemeral instance.	validation	error	naming, instance-register, ephemeral, type-mismatch, validation
`-401` Client [%s] connection already disconnect, can't register ephemeral instance.	exception	error	naming, client-disconnect, grpc, connection, ephemeral
`400` Current service %s is ephemeral service, can't register persistent instance.	validation	error	naming, instance-register, persistent, type-mismatch, validation
distroThreshold can not be zero or negative: {threshold}	validation	warning	naming, switch, distro, threshold, validation, configuration
illegal format, must be 'type:version', but got: {value}	validation	warning	naming, switch, push-version, format, validation, configuration
illegal version, must match: {UtilsAndCommons.VERSION_STRING	validation	warning	naming, switch, push-version, regex, format, validation, configuration
unsupported client type: {type}	validation	error	naming, switch, validation, push-version
min cache time for http or tcp is too small(<10000)	validation	error	naming, switch, validation, cache-millis
min default cache time is too small(<1000)	validation	error	naming, switch, validation, cache-millis
serviceStatusSynchronizationPeriodMillis is too small(<5000)	validation	error	naming, switch, validation, distro-sync
serverStatusSynchronizationPeriodMillis is too small(<15000)	validation	error	naming, switch, validation, distro-sync, misleading-message
invalid input for limited urls	validation	error	naming, switch, validation, limited-url
url can not be empty, url: {limitedUrl}	validation	error	naming, switch, validation, limited-url
illegal normal status code: {statusCode}	validation	error	naming, switch, validation, limited-url
json param invalid.	validation	error	naming, switch, validation, json, health-params
min check time for http or tcp is too small(<500)	validation	error	naming, switch, validation, health-params
max check time for http or tcp is too small(<3000)	validation	error	naming, switch, validation, health-params
malformed factor	validation	error	naming, switch, validation, health-params
`INSTANCE_METADATA_ERROR` metadata format incorrect:{metadata}	validation	error	naming, metadata, validation, instance
`PARAMETER_MISSING` Required parameter 'serviceName' type String is not present	validation	error	naming, validation, parameter-missing, service
`PARAMETER_MISSING` Required parameter 'serviceName' type String is not present	validation	error	naming, validation, parameter-missing, instance
`PARAMETER_MISSING` Required parameter 'serviceName' type String is not present	validation	error	naming, validation, parameter-missing, instance
`PARAMETER_MISSING` Required parameter 'serviceName' type String is not present	validation	error	naming, validation, parameter-missing, instance, metadata
`PARAMETER_MISSING` Required parameter 'serviceName' type String is not present	validation	error	naming, rest-api, validation, parameter-missing, service
`PARAMETER_MISSING` Required parameter 'serviceName' type String is not present	validation	error	naming, rest-api, validation, parameter-missing, cluster
`PARAMETER_MISSING` Required parameter 'healthy' type Boolean is not present	validation	error	naming, rest-api, validation, parameter-missing, instance, health-check
`PARAMETER_MISSING` Required parameter 'entry' type String is not present	validation	error	naming, rest-api, validation, parameter-missing, operator, switch
`INVALID_PARAM` instance format invalid: The weights range from 0.0 to 10000.0	validation	error	naming, rest-api, validation, invalid-param, instance, weight
`INVALID_PARAM` Unsupported request type %s	validation	error	naming, grpc, validation, invalid-param, instance, batch
`INVALID_PARAM` Unsupported request type %s	validation	error	naming, grpc, validation, invalid-param, instance
`INVALID_PARAM` Unsupported request type %s	validation	error	naming, grpc, validation, invalid-param, fuzzy-watch
`INVALID_PARAM` Unsupported request type %s	validation	error	naming, grpc, validation, invalid-param, instance, persistent
`INVALID_PARAM` Param 'serviceName' is illegal, serviceName is blank	validation	error	naming, grpc, validation, invalid-param, subscribe
`SERVER_ERROR` Selector parses failed: %s	exception	error	naming, selector, server-error, parse
`WEIGHT_ERROR` instance format invalid: The weights range from 0.0 to 10000.0	validation	error	naming, instance, weight, validation, bad-request
pageNo and pageSize must be greater than zero	validation	error	persistence, embedded, pagination, illegal-argument
pageNo and pageSize must be greater than zero	validation	error	persistence, external, pagination, illegal-argument
Unsupported SQL: %s. Nacos only support DML and some DDL SQL	validation	error	persistence, embedded, sql, limiter, security
user ' + username + ' already exist!	validation	error	auth, user, duplicate, illegal-argument
cannot delete admin: + username	validation	error	auth, user, admin, delete, illegal-argument
user + username + not exist!	validation	error	auth, user, not-found, illegal-argument
User not found! Please check user exist or password is right	exception	error	auth, authentication, blank-input, access-exception
authorization failed!	exception	error	auth, authorization, permission, access-exception, rbac
`404` Skill not found in well-known index: + skillName	error_code	error	ai, skill, import, not-found, well-known
`102` dataSource or tableName is null	error_code	error	plugin, datasource, mapper, validation
`103` [MapperManager] Failed to find the table ,tableName: + tableName	error_code	error	plugin, datasource, mapper, table, not-found
DatabaseDialect plugin is disabled: + databaseType + . Plea	exception	error	plugin, datasource, dialect, disabled, illegal-state
No DatabaseDialect implementation found for selected type:	exception	error	plugin, datasource, dialect, not-found, illegal-state
AiResourceStorage plugin is disabled: + storageKey.getProvi	exception	error	ai, storage, plugin, disabled, illegal-state
No AiResourceStorage for provider: + storageKey.getProvider	exception	error	ai, storage, plugin, not-found, illegal-state
Required config missing: token.secret.key	validation	critical	auth, config, startup, security, token
Plugin config value cannot be null: + key	validation	error	config, validation, null-handling
Plugin config value must be positive: + key	validation	error	config, validation, token
Plugin config value is not a number: + key	validation	error	config, validation, token
Plugin config value is not a boolean: + key	validation	error	config, validation
the length of secret key must great than or equal 32 bytes;	validation	critical	auth, config, security, token, jwt
MCP server external id is blank	validation	error	ai-registry, mcp, validation, importer
MCP server not found in registry: + externalId	exception	error	ai-registry, mcp, not-found, importer
HTTP + code + when fetching + pageUrl	http	error	ai-registry, mcp, network, http, importer
HTTP + result.getStatusCode() + when fetching + result.ge	http	error	ai-registry, skill, network, http, importer
HTTP + result.getStatusCode() + when fetching + url	http	error	ai-registry, skill, network, http, importer
HTTP + response.getStatusCode() + when fetching + respons	http	error	ai-registry, skill, network, http, importer
session expired!	exception	error	auth, session, http, unauthorized
user not found!	exception	error	auth, jwt, token
token invalid!	exception	error	auth, jwt, token, validation
unsupported signature algorithm	exception	error	auth, jwt, algorithm, security
Invalid signature	exception	error	auth, jwt, security, signature
token expired!	exception	error	auth, jwt, token, expiry
pageNo and pageSize must be greater than zero	validation	warning	pagination, embedded-db, auth-plugin, input-validation, derby
fetchPageLimit error	validation	error	pagination, embedded-db, auth-plugin, derby, database-error, sql
pageNo and pageSize must be greater than zero	validation	warning	pagination, external-db, auth-plugin, input-validation, mysql, postgresql
fetchPageLimit error	validation	error	pagination, external-db, auth-plugin, mysql, postgresql, database-error, sql, schema
role 'ROLE_ADMIN' is not permitted to delete!	validation	error	auth-plugin, role-management, reserved-role, admin, input-validation
role '__nacos_anonymous_role__' is reserved by the system	validation	error	auth-plugin, role-management, reserved-role, anonymous, input-validation
user '{username}' not found!	validation	warning	auth, role, validation, user-management
role 'ROLE_ADMIN' is not permitted to create!	validation	warning	auth, role, validation, reserved, admin
role '__nacos_anonymous_role__' is reserved by the system	validation	warning	auth, role, validation, reserved, anonymous
user '{username}' already bound to the role '{role}'!	validation	info	auth, role, duplicate, idempotency
role 'ROLE_ADMIN' already exist !	validation	warning	auth, role, admin, duplicate, bootstrap
role {role} not found!	validation	warning	auth, permission, role, validation, cache
e.getErrMsg()	exception	error	auth, permission, remote, cluster, network
`500` unpectedException.getMessage()	exception	error	auth, permission, remote, network, io, cluster
role 'ROLE_ADMIN' is not permitted to create!	validation	warning	auth, role, reserved, admin, remote
role '__nacos_anonymous_role__' is reserved by the system	validation	warning	auth, role, reserved, anonymous, remote
Nacos auth plugin has not been initialized	exception	critical	auth, token, jwt, lifecycle, initialization
Token secret key change requires restart	validation	error	auth, token, jwt, configuration, secret-key
invalid token, username is empty	exception	error	auth, token, jwt, validation
expired token	exception	error	auth, token, jwt, expiry
`400` Please config `nacos.plugin.auth.nacos.token.secret.key`, detail see https://nac	exception	critical	auth, token, jwt, configuration, secret-key, misconfiguration
username '__nacos_anonymous__' is reserved by the system	validation	warning	auth, user-management, validation, reserved-name
username is blank	validation	warning	auth, user-management, validation, input
password is blank	validation	warning	auth, user-management, validation, input, password
User %s not found	exception	warning	auth, user-management, login, spring-security
User %s not found	exception	warning	auth, user-management, login, remote, spring-security
e.getErrMsg()	exception	error	auth, user-management, remote, password, http
`500` unpectedException.getMessage()	exception	error	auth, user-management, remote, password, network
Illegal base64 character: '{c}'	validation	error	auth, base64, encoding, validation, token
Password cannot be null	validation	error	auth, password, validation, precondition
Password length must not exceed {MAX_PASSWORD_LENGTH} charac	validation	warning	auth, password, validation, input-limits
`{result.getCode()}` {remoteResultMessage}	exception	error	auth, remote-call, error-propagation, http-result
`SERVER_ERROR` visibility grant management is unsupported in current runtime	exception	critical	auth, visibility, spi, spring-context, feature-unavailable
`ACCESS_DENIED` No permission to manage visibility grants for resource: {resourceName}	exception	error	auth, visibility, authorization, access-denied, rbac
`PARAMETER_MISSING` resourceType is blank	validation	warning	auth, visibility, validation, parameter-missing
`PARAMETER_VALIDATE_ERROR` user '{username}' not found	validation	warning	auth, visibility, validation, user-not-found
`SERVER_ERROR` {unexpectedExceptionMessage}	exception	error	auth, visibility, remote-call, network, standalone-console
action is blank	validation	warning	auth, visibility, validation, action-normalization
unsupported action: {action}	validation	warning	auth, visibility, validation, action-normalization
username is blank	validation	error	auth, validation, visibility, illegal-argument, java
user not found!	exception	error	auth, ldap, validation, access-denied, java
LDAP login failed.	exception	error	auth, ldap, access-denied, bind-failure, config, java
user not found	exception	error	auth, ldap, persistence, database, generic-catch, java
LDAP auth plugin requires org.springframework.ldap:spring-ld	exception	critical	auth, ldap, classpath, plugin, missing-dependency, config, java
Plugin config value cannot be null: {key}	validation	error	auth, ldap, config, validation, illegal-argument, java
Plugin config value must be positive: {key}	validation	error	auth, ldap, config, validation, timeout, illegal-argument, java
Plugin config value is not a number: {key}	validation	error	auth, ldap, config, validation, timeout, number-format, illegal-argument, java
Plugin config value is not a boolean: {key}	validation	error	auth, ldap, config, validation, boolean, illegal-argument, java
Built-in LDAP auth plugin is not available	exception	critical	auth, ldap, plugin, spi, spring, illegal-state, wiring, java
Authorization endpoint not configured	exception	error	auth, oidc, config, discovery, metadata, access-denied, java
Failed to initiate login: {errorMessage}	exception	error	auth, oidc, generic-catch, login, uri, access-denied, java
Invalid or expired state parameter	exception	error	auth, oidc, csrf, state, expired, hmac, access-denied, java
Nonce not present in ID token. Set 'nacos.plugin.auth.oidc.s	exception	error	auth, oidc, nonce, replay-protection, config, access-denied, java
Nonce mismatch: expected %s, got %s	exception	critical	auth, oidc, nonce, replay-attack, security, csrf, access-denied, java
Authentication failed: {errorMessage}	exception	error	auth, oidc, generic-catch, token-exchange, access-denied, java
Token endpoint not configured	exception	error	oidc, config, authentication, authorization-code, discovery
Token exchange failed:	exception	error	oidc, authentication, authorization-code, network, idp-error
Failed to sign payload	exception	error	oidc, crypto, authentication, authorization-code, config
Client secret is required for state signing	exception	error	oidc, config, authentication, authorization-code
Token is required	exception	error	oidc, authentication, validation
No valid OIDC token found	exception	error	oidc, authentication, validation
Plugin config value cannot be null:	validation	error	oidc, config, validation
Plugin config value must be positive:	validation	error	oidc, config, validation
Plugin config value is not a number:	validation	error	oidc, config, validation
Plugin config value is not a boolean:	validation	error	oidc, config, validation
Built-in OIDC auth plugin is not available	exception	critical	oidc, plugin, startup, spi, spring
Issuer URI is not configured	exception	error	oidc, config, discovery
Failed to discover OIDC configuration, status:	exception	error	oidc, network, discovery, idp-error
OIDC discovery response is empty	exception	error	oidc, network, discovery, parsing
OIDC discovery interrupted	exception	warning	oidc, network, threading, discovery
Failed to parse OIDC configuration	exception	error	oidc, discovery, parsing, network
JWKS URI is not configured or discovered	exception	error	oidc, config, jwks, discovery
Failed to fetch JWKS, status:	exception	error	oidc, network, jwks, idp-error
JWKS fetch interrupted	exception	warning	oidc, network, threading, jwks
Failed to parse JWKS	exception	error	oidc, jwks, parsing, network
Token is empty	exception	warning	oidc, authentication, jwt, token, authorization-header
Invalid token format	exception	error	oidc, jwt, parsing, token-format
Token processing error	exception	error	oidc, jwt, jose, algorithm, signature
Invalid token format:	exception	error	oidc, jwt, validation, null-safety
Token validation failed:	exception	error	oidc, jwt, error, unexpected
Failed to initialize JWT processor:	exception	error	oidc, jwt, network, jwks, initialization
Token signature verification failed	exception	error	oidc, jwt, signature, key-rotation, jwks
Token has expired	exception	warning	oidc, jwt, expiration, clock-skew, claims
Token is not yet valid	exception	warning	oidc, jwt, clock-skew, claims, nbf
Token audience validation failed	exception	error	oidc, jwt, audience, security, claims
Token issuer mismatch	exception	error	oidc, jwt, issuer, claims
processors multiple must upper than 1	validation	error	sys, configuration, thread-pool, startup
processors scale must between 0 and 1	validation	error	sys, configuration, thread-pool, startup
Malformed \uxxxx encoding.	exception	error	sys, properties, encoding, startup
Must be a file directory :	validation	error	sys, file-watch, configuration, startup
WatchFileCenter already shutdown	exception	error	sys, file-watch, lifecycle, shutdown
nacos address	exception	error	sys, network, configuration, startup, inet