ErrLookup › provectus/kafka-ui

provectus/kafka-ui

Open-Source Web UI for Apache Kafka Management · Java · 673 source files

Analyzed at 83b5a60cc0 on 2026-09-08. 59 documented errors.

Code / Message	Type	Severity	Tags
Wrong seekTo argument format. See API docs for details	exception	error	rest-api, validation, query-parameter, format
Something went wrong during removing replicas	validation	error	kafka, replication-factor, topic-reassignment, validation
Connect not found for cluster	http	error	kafka-connect, not-found, configuration, rest-api
Something went wrong during adding replicas	validation	error	kafka, replication-factor, topic-reassignment, validation
Connector with name already exists	validation	error	kafka-connect, connector, duplicate-resource, validation
Topic partition has no leader	validation	error	kafka, topic-partitions, leader-election, cluster-health
String is not a valid json	validation	error	json, avro, validation, input-format
'filePath' property not set for custom serde	validation	error	configuration, serde, validation
Unrecognized version	exception	error	kafka, serde, binary-protocol
You can't provide both fieldNames & fieldsNamePattern for…	validation	error	configuration, validation, masking
Access denied	http	error	rbac, authorization, access-control
Application config isn't valid. Cluster names should be…	validation	critical	configuration, startup, kafka, spring
`4002` is not a part of enum symbols [ ]	validation	error	avro, enum, validation, schema
Unknown group metadata message version	exception	error	kafka, serde, binary-protocol
Replication factor already equals requested	validation	warning	kafka, validation, replication-factor, topic-config
Data doesn't contain magic byte and schema id prefix, so it…	validation	error	kafka, schema-registry, deserialization, avro
Location does not exist	validation	error	serde, classpath, filesystem, config
Groovy filters is not allowed. Set filtering.groovy.enabled…	validation	error	configuration, feature-flag, groovy
OAuth2 authentication is enabled but no providers specified.	validation	critical	oauth2, authentication, configuration, startup
ANY type can be only part of filter	exception	error	kafka, acl, mapping, illegal-argument
Message buffer is not read to the end, which is likely…	exception	error	kafka, serde, binary-protocol
You specified username but do not specified password	validation	error	configuration, authentication, schema-registry
Serde can't be applied for ' ' topic's serialization	validation	error	kafka, serde, serialization, configuration
No command registered with id	validation	error	ksql, cache, command-id, state
' ' does not fit schema	validation	error	kafka, json-schema, serialization, validation
Serde ' ' can't be applied to ' ' topic	validation	error	kafka, serde, deserialization, configuration
Dynamic file path is a directory, but should be a file path	validation	error	configuration, filesystem, dynamic-config
Neither default, not per-topic descriptors defined for	validation	error	protobuf, configuration, serde
proto files directory not readable	validation	error	filesystem, permissions, protobuf
Application config isn't valid. Two clusters can't have the…	validation	critical	configuration, startup, kafka, spring
serde is not configured	validation	error	serde, config, validation, built-in
ANY operation can be only part of filter	exception	error	kafka, acl, mapper, unsupported-value
You specified username but did not specify password	validation	error	configuration, basic-auth, webclient
File already exists and is not writable	validation	error	filesystem, permissions, dynamic-config
Schema Registry is not set for cluster	validation	error	schema-registry, configuration, rest-api, kafka
' ' is not valid json	validation	error	kafka, json, serialization, validation
Script syntax error	validation	error	groovy, syntax, filter, scripting
Input csv is not valid - there should be 7 columns in line	validation	error	kafka, acl, csv, validation
Dynamic config change is not allowed. Set…	validation	error	configuration, feature-flag, dynamic-config
Error parsing enum value in line	validation	error	kafka, acl, csv, enum
Error writing to	validation	error	filesystem, io, dynamic-config
filePath can't be set for built-in serde type	validation	error	serde, config, validation, built-in
No archive files were found	validation	error	serde, classpath, filesystem, empty-directory
Unexpected script result	validation	error	groovy, filter, validation, scripting
Error parsing ksql query:	validation	error	ksql, antlr, parsing, validation
Multiple serdes with same name	validation	error	serde, config, validation, duplicate
Input csv is not valid - blank value in colum	validation	error	kafka, acl, csv, validation
Invalid syntax:	validation	error	ksql, antlr, syntax, validation
Invalid format for webclient.maxInMemoryBufferSize	validation	error	configuration, spring, webclient, validation
'name' property not set for serde	validation	error	serde, config, validation, yaml
filePath can't be set for built-in serde types	validation	error	serde, config, validation, built-in
You specified password but did not specify username	validation	error	configuration, basic-auth, webclient
className can't be set for built-in serde	validation	error	serde, config, validation, built-in
seekTo should be set if seekType is	validation	error	rest-api, validation, kafka, query-parameter
Error:	exception	error	ksql, api, error-response, streaming
Topic is already analyzing	exception	warning	kafka, topic-analysis, concurrency, state
'className' property not set for custom serde	validation	error	serde, config, validation, custom
Error parsing ACL csv file: no lines in file	validation	error	kafka, acl, csv, validation
UUID data should be 16 bytes, but it is	validation	error	uuid, serde, validation