ErrLookup › OpenAPITools/openapi-generator
OpenAPITools/openapi-generator
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3) · Java · 493 source files
Analyzed at fcec517be3 on 2026-08-22. 263 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Can't instantiate config class with name '{name}'. The class | exception | error | java, openapi-generator, custom-generator, reflection, classpath, code-generator |
| Could not process model '{name}'.Please make sure that your | exception | error | openapi-generator, openapi, schema, model, yaml, code-generation |
| Could not generate model '{modelName}' | exception | error | openapi-generator, template, mustache, io, model, code-generation |
| Could not generate api file for '{tag}' | exception | error | openapi-generator, openapi, api, tag, code-generation |
| Failed to generate .openapi-generator-ignore when the option | exception | error | openapi-generator, io, filesystem, ignore-file, permissions |
| Could not generate supporting file '{support}' | exception | error | openapi-generator, supporting-files, template, io, code-generation |
| Could not generate supporting file '{ignoreFileNameTarget}' | exception | error | openapi-generator, io, filesystem, ignore-file, permissions |
| Issues with the OpenAPI input. Possible causes: invalid/miss | exception | error | openapi-generator, programmatic-usage, api-misuse, java |
| missing config! | exception | error | openapi-generator, programmatic-usage, api-misuse, java |
| Target files must be generated within the output directory; | exception | critical | openapi-generator, path-traversal, security, filesystem, custom-generator |
| Could not process operation: Tag: {tag} Operation: {oper | exception | error | openapi-generator, openapi, operation, schema, code-generation |
| Could not generate supporting file '{versionMetadata}' | exception | error | openapi-generator, io, filesystem, metadata, permissions |
| Failed to load custom NORMALIZER_CLASS '{className}'. This c | exception | error | openapi-generator, classpath, reflection, custom-normalizer, maven-plugin |
| Failed to instantiate custom NORMALIZER_CLASS '{className}'. | exception | error | openapi-generator, reflection, custom-normalizer, constructor, java |
| Unknown schema type found in normalizer: {schema} | exception | error | openapi-generator, openapi, schema, normalizer, null-safety |
| Error! allOf schema is not of the type Schema: {item} | exception | error | openapi-generator, openapi, allof, schema, normalizer |
| Error! oneOf schema is not of the type Schema: {item} | exception | error | openapi-generator, openapi, oneof, schema, normalizer |
| Error! anyOf schema is not of the type Schema: {item} | exception | error | openapi-generator, openapi, anyof, schema, normalizer |
| schema cannot be null with ref {ref} | exception | error | openapi, unresolved-ref, all-of, components, normalizer |
| %s Input: `%s`. Error: %s | exception | error | openapi, normalizer, filter-syntax, configuration, illegal-argument |
| filter with no value not supported :[{filter}] | exception | error | openapi, normalizer, filter-syntax, configuration |
| filter not supported :[{filterName}:{filterValue}] | exception | error | openapi, normalizer, filter-syntax, unsupported-key |
| {name} | exception | error | openapi, template, code-generation, file-not-found |
| Template location must be constrained to template directory. | exception | error | openapi, template, path-traversal, security, illegal-argument |
| can't load template {name} | exception | error | openapi, template, io, code-generation, runtime-exception |
| Couldn't load template engine adapter %s. Available options: | exception | error | openapi, templating-engine, classpath, spi, configuration |
| Unable to deserialize config file: {configFile} | exception | error | openapi, config-file, json, yaml, deserialization |
| inputSpecFiles list is empty — nothing to merge | exception | error | openapi, spec-merge, configuration, empty-input |
| Spec directory doesn't contain any specification | exception | error | openapi, spec-merge, directory, file-not-found |
| No valid specifications found to merge | exception | error | openapi, spec-merge, parse-error, yaml, json |
| Failed to serialize merged spec | exception | error | openapi, spec-merge, serialization, jackson, dependency-conflict |
| Cannot merge specs where some declare an OpenAPI version and | exception | error | openapi, spec-merge, version-mismatch, validation |
| Malformed OpenAPI version '%s' in a source spec. Expected ex | exception | error | openapi, spec-merge, version-validation, configuration |
| Cannot merge specs that declare incompatible OpenAPI version | exception | error | openapi, spec-merge, version-mismatch, migration |
| operationId conflict during spec merge: '%s' (%s %s) is alre | exception | error | openapi, spec-merge, operationid, conflict, java |
| Path+method conflict during spec merge: %s %s is defined in | exception | error | openapi, spec-merge, path-conflict, duplicate-endpoint, java |
| Component %s name conflict during spec merge: '%s' is define | exception | error | openapi, spec-merge, components, schema-conflict, java |
| Exception while listing files in spec root directory: %s | exception | error | openapi, spec-merge, filesystem, io, input-spec |
| Negation with no negated pattern. | exception | error | ignore-file, parser, negation, openapi-generator-ignore |
| The pattern *** is invalid. | exception | error | ignore-file, parser, glob, openapi-generator-ignore |
| Empty method/operation name (operationId) not allowed | exception | error | openapi, operationid, apex, code-generation |
| Empty method name (operationId) not allowed | exception | error | openapi, operationid, csharp, code-generation |
| %s is an invalid enum property naming option. Please choose | exception | error | openapi, csharp, enum, naming, configuration |
| Empty method/operation name (operationId) not allowed | exception | error | openapi, operationid, eiffel, code-generation |
| Invalid model property naming '%s'. Must be 'original', 'cam | exception | error | openapi, fsharp, naming, configuration, model-properties |
| The [%s] Documentation Provider is not supported by this gen | exception | error | openapi, java, documentation-provider, configuration |
| The Annotation Library [%s] is not supported by this generat | exception | error | openapi, java, annotation-library, configuration |
| The [%s] documentation provider does not support [%s] as com | exception | error | openapi, java, documentation-provider, annotation-library, configuration |
| Empty method/operation name (operationId) not allowed | exception | error | openapi, operationid, java, code-generation |
| %s is an invalid enum property naming option. Please choose | exception | error | openapi, java, enum, naming, configuration |
| %s is an invalid enum property naming option. Please choose | exception | error | openapi, kotlin, enum, naming, configuration |
| Empty method/operation name (operationId) not allowed | exception | error | openapi, operationid, kotlin, code-generation |
| Empty method name (operationId) not allowed | exception | error | openapi, operationid, php, code-generation |
| Empty method name (operationId) not allowed | exception | error | openapi, operationid, python, code-generation |
| mapNumberTo supports %s | exception | error | python, openapi-generator, configuration, cli-option |
| Pattern must follow the Perl /pattern/modifiers convention. | exception | error | regex, openapi-spec, python, pattern-validation |
| Error! Codegen Property not yet supported in getPydanticType | exception | error | pydantic, python, schema, openapi-generator |
| Error! Failed to process getPydanticType when getting the co | exception | error | pydantic, python, request-body, openapi-spec |
| Error! Codegen Parameter not yet supported in getPydanticTyp | exception | error | pydantic, python, parameters, openapi-spec |
| Please report the issue as the parameter name cannot be null | exception | error | connexion, python, parameters, openapi-spec |
| Pattern must follow the Perl /pattern/modifiers convention. | exception | error | regex, connexion, python, pattern-validation |
| Empty method name (operationId) not allowed | exception | error | pydantic, operationid, openapi-spec, python |
| Error! Failed to process getPydanticType when getting the co | exception | error | pydantic, python, request-body, openapi-spec |
| Error! Codegen Parameter not yet supported in getPydanticTyp | exception | error | pydantic, python, parameters, openapi-spec |
| Error! Codegen Property not yet supported in getPydanticType | exception | error | pydantic, python, schema, openapi-generator |
| mapNumberTo value must be Union[StrictFloat, StrictInt], Str | validation | error | pydantic, python, configuration, cli-option |
| Pattern must follow the Perl /pattern/modifiers convention. | validation | error | regex, pydantic, python, pattern-validation |
| Number is too large to fit into i128 | exception | error | rust, numeric, openapi-spec, validation |
| Unknown CasingType | validation | error | rust, openapi-generator, internal, defensive-code |
| Invalid dateLibrary. Must be 'java8' or 'joda' | validation | error | scala, configuration, cli-option, date-library |
| Invalid model property naming '{naming}'. Must be 'original' | validation | error | scala, configuration, naming, cli-option |
| Invalid model property naming '{name}'. Must be 'original', | validation | error | scala, internal, naming, defensive-code |
| Empty method/operation name (operationId) not allowed | exception | error | scala, operationid, openapi-spec |
| Empty method name (operationId) not allowed | exception | error | typescript, operationid, openapi-spec |
| Invalid model property naming '%s'. Must be one of %s. | validation | error | |
| Invalid parameter naming '%s'. Must be one of %s. | validation | error | |
| Invalid param naming '{name}'. Must be 'original', 'camelCas | validation | error | |
| Invalid model property naming '{name}'. Must be 'original', | validation | error | |
| Invalid enum property naming '%s'. Must be one of %s. | validation | error | |
| Unsupported enum property naming: '{name} | validation | error | |
| Empty method name (operationId) not allowed | exception | error | |
| Invalid 'library' option specified: '{library}'. Must be 'ht | validation | error | |
| Invalid value `{value}` for the option `centralizedPackageVe | validation | error | |
| {opt}: Invalid value '{value}'. {description} | validation | error | |
| Invalid model property naming '{naming}'. Must be 'original' | validation | error | |
| Invalid model property naming '{name}'. Must be 'original', | validation | error | |
| Invalid HTTP library {library}. Only {supportedLibraries} ar | validation | error | |
| The input ({inputFramework}) contains Invalid .NET framework | validation | error | |
| Source generation is only compatible with .Net 7 or later. | validation | error | |
| Invalid project name {apiName}. May only contain alphanumeri | validation | error | |
| Invalid .NET framework version: {dotnetFramework}. List of s | validation | error | |
| Invalid .NET framework version: {strategy.name}. List of sup | validation | error | |
| {opt}: Invalid value '{value}'. {description} | validation | error | |
| Invalid model property naming '{naming}'. Must be 'original' | validation | error | |
| Invalid model property naming '{name}'. Must be 'original', | validation | error | |
| Invalid HTTP library {library}. Only restsharp, httpclient a | validation | error | |
| The input ({inputFramework}) contains Invalid .NET framework | validation | error | |
| Invalid .NET framework version: {dotnetFramework}. List of s | validation | error | |
| Invalid .NET framework version: {strategy.name}. List of sup | validation | error | |
| Empty method/operation name (operationId) not allowed | exception | error | |
| packageName must not be blank | exception | error | |
| Unsupported query collection format: {collectionFormat} | exception | error | |
| Supported controllers are: ESP32, ESP8266 | exception | error | |
| Empty method name (operationId) not allowed | exception | error | |
| Empty method name (operationId) not allowed | exception | error | |
| Empty method/operation name (operationId) not allowed | exception | error | |
| Only the HandlebarsEngineAdapter is supported for this gener | exception | error | |
| {collectionFormat} (collection format) not supported | exception | error | |
| Empty method/operation name (operationId) not allowed | exception | error | |
| {collectionFormat} (collection format) not supported | exception | error | |
| Failed to canonicalize file {testDataFileStr} | exception | error | |
| Failed to canonicalize file {testDataControlFileStr} | exception | error | |
| useJspecify is only suppored in these libraries: {JSPECIFY_S | exception | error | |
| useJackson3 for the restclient, resttemplate, and webclient | exception | error | |
| useJackson3 is only supported for the 'native', 'apache-http | exception | error | java, openapi-generator, code-generation, jackson, configuration, option-validation |
| Invalid microprofileFramework '{microprofileFramework}'. Mus | exception | error | java, openapi-generator, microprofile, kumuluzee, configuration, option-validation |
| Version %s of MicroProfile Rest Client is not supported or i | exception | error | java, openapi-generator, microprofile, version-management, configuration, option-validation |
| Unexpected serializationLibrary value: {serializationLibrary | exception | error | java, openapi-generator, serialization, jackson, gson, jsonb, configuration, option-validation |
| Unexpected serializationLibrary value: {serializationLibrary | exception | error | java, helidon, openapi-generator, serialization, jackson, jsonb, configuration, option-validation |
| Both %s and %s properties were set with different value. | exception | error | java, helidon, openapi-generator, version-management, maven, configuration, option-validation |
| Unable to locate /java-helidon/common/Status.java to discove | exception | error | java, helidon, openapi-generator, classpath, packaging, shaded-jar, environment |
| Helidon version %s uses the %s namespace but options specifi | exception | error | java, helidon, openapi-generator, jakarta-ee, javax, namespace, configuration, option-validation |
| Helidon version %s uses the %s prefix for EE dependencies bu | exception | error | java, helidon, openapi-generator, jakarta-ee, javax, maven, configuration, option-validation |
| Error preparing constraint for version expression '{requeste | exception | error | java, helidon, openapi-generator, version-management, maven, version-range |
| Error parsing version expression '{requestedVersion}' as a v | exception | error | java, helidon, openapi-generator, version-management, maven, version-range |
| Unknown library option %s for Helidon Server | exception | error | java, helidon, openapi-generator, code-generation, library-selection, configuration |
| Not implemented | exception | error | java, helidon, openapi-generator, bean-validation, unsupported-feature, configuration |
| Unexpected serializationLibrary value: {serializationLibrary | exception | error | java, helidon, openapi-generator, serialization, jackson, jsonb, configuration, option-validation |
| Flags 'useSwaggerAnnotations' (v2) and 'useSwaggerV3Annotati | exception | error | java, jaxrs, openapi-generator, swagger, annotations, configuration, mutually-exclusive |
| Flags 'useSwaggerV3Annotations' and 'useMicroProfileOpenAPIA | exception | error | java, jaxrs, quarkus, openapi-generator, swagger, microprofile, annotations, mutually-exclusive |
| Flag 'useJakartaSecurityAnnotations' requires 'useJakartaEe= | exception | error | java, jaxrs, quarkus, openapi-generator, jakarta-ee, security, annotations, configuration |
| You cannot combine [returnResponse] and [returnJBossResponse | exception | error | java, jaxrs, quarkus, openapi-generator, resteasy, configuration, mutually-exclusive |
| The [returnJBossResponse] requires [useJakartaEe] to be true | exception | error | java, jaxrs, quarkus, openapi-generator, jakarta-ee, resteasy, configuration |
| Build tool "{buildTool}" is not supported or misspelled. | exception | error | java, micronaut, openapi-generator, gradle, maven, build-tools, configuration, option-validation |
| Test tool "{testTool}" is not supported or misspelled. | exception | error | openapi-generator, java, micronaut, configuration, test-framework |
| Value "{value}" for the generateSwaggerAnnotations parameter | exception | error | openapi-generator, java, micronaut, configuration, swagger-annotations |
| {serializationLibrary} is an invalid enum property naming op | exception | error | openapi-generator, java, micronaut, configuration, serialization, jackson |
| Invalid model property naming '{name}'. Must be 'original', | exception | error | openapi-generator, javascript, apollo, configuration, naming |
| Invalid model property naming '{naming}'. Must be 'original' | exception | error | openapi-generator, javascript, apollo, configuration, naming |
| Empty method/operation name (operationId) not allowed | exception | error | openapi-generator, javascript, apollo, openapi-spec, operationid |
| Invalid model property naming '{name}'. Must be 'original', | exception | error | openapi-generator, javascript, configuration, naming |
| Invalid model property naming '{naming}'. Must be 'original' | exception | error | openapi-generator, javascript, configuration, naming |
| Empty method/operation name (operationId) not allowed | exception | error | openapi-generator, javascript, openapi-spec, operationid |
| Empty method/operation name (operationId) not allowed | exception | error | openapi-generator, javascript, closure-angular, openapi-spec, operationid |
| Invalid model property naming '{name}'. Must be 'original', | exception | error | openapi-generator, k6, javascript, configuration, naming |
| Invalid model property naming '{naming}'. Must be 'original' | exception | error | openapi-generator, k6, javascript, configuration, naming |
| {enumSerializationLibrary} is an invalid enum property namin | exception | error | openapi-generator, kotlin, configuration, serialization |
| useJackson3 requires serializationLibrary=jackson | exception | error | openapi-generator, kotlin, jackson, serialization, configuration |
| openApiNullable cannot be set with useJackson3 | exception | error | openapi-generator, kotlin, jackson, nullable, configuration |
| useJackson3 is only supported for the jvm-okhttp4 and jvm-sp | exception | error | openapi-generator, kotlin, jackson, library-selection, configuration |
| useJackson3 with jvm-spring-restclient requires useSpringBoo | exception | error | openapi-generator, kotlin, jackson, spring-boot, configuration |
| This library currently only supports gson serialization. Try | exception | error | openapi-generator, kotlin, volley, serialization, configuration |
| This library currently only supports jackson serialization. | exception | error | openapi-generator, kotlin, spring, serialization, configuration |
| This library requires Spring Boot 3 or 4. Try adding '--addi | exception | error | openapi-generator, kotlin, spring-boot, configuration, restclient |
| Multiplatform only supports string and kotlinx-datetime. Try | exception | error | kotlin, multiplatform, date-library, additional-properties, openapi-generator, config-validation |
| The [%s] Documentation Provider is not supported by this gen | exception | error | kotlin, spring, documentation-provider, springdoc, additional-properties, openapi-generator, config-validation |
| The Annotation Library [%s] is not supported by this generat | exception | error | kotlin, spring, annotation-library, swagger, additional-properties, openapi-generator, config-validation |
| The [%s] documentation provider does not support [%s] as com | exception | error | kotlin, spring, springdoc, annotation-library, option-combination, openapi-generator, config-validation |
| Currently, reactive option doesn't supported by Spring Cloud | exception | error | kotlin, spring, spring-cloud, reactive, webflux, option-combination, openapi-generator, config-validation |
| Additional property 'useFlowForArrayReturnType' must be set | exception | error | kotlin, spring, http-interface, flow, reactive, option-combination, openapi-generator, config-validation |
| Invalid value for additional property 'declarativeInterfaceR | exception | error | kotlin, spring, http-interface, reactive, coroutines, enum-value, openapi-generator, config-validation |
| Choose between Spring Boot 3 and Spring Boot 4 | exception | error | kotlin, spring, spring-boot, version-conflict, option-combination, openapi-generator, config-validation |
| useJackson3 is only available with Spring Boot >= 4 | exception | error | kotlin, spring, jackson, serialization, spring-boot-4, option-combination, openapi-generator, config-validation |
| swagger1AnnotationLibrary is not supported with Spring Boot | exception | error | kotlin, spring, swagger, jakarta-ee, spring-boot-3, annotation-library, option-combination, openapi-generator, config-validation |
| The BLOB and JSON data types cannot be assigned a default va | exception | error | ktorm, database-schema, default-value, blob, json, openapi-spec, openapi-generator, spec-validation |
| Empty database/table/column name for property '{name}' not a | exception | error | ktorm, database-schema, identifier, sanitization, openapi-spec, openapi-generator, spec-validation |
| The BLOB, TEXT, GEOMETRY, and JSON data types cannot be assi | exception | error | mysql, database-schema, default-value, blob, text, json, openapi-spec, openapi-generator, spec-validation |
| Empty database/table/column name for property '{name}' not a | exception | error | mysql, database-schema, identifier, sanitization, openapi-spec, openapi-generator, spec-validation |
| Unreferenced enum {hash} | exception | error | ocaml, enum, inline-schema, dollar-ref, openapi-spec, openapi-generator, spec-validation |
| Empty method name (operationId) not allowed | exception | error | objective-c, operation-id, openapi-spec, openapi-generator, spec-validation |
| The BLOB, TEXT, GEOMETRY, and JSON data types cannot be assi | exception | error | postgresql, database-schema, default-value, bytea, jsonb, openapi-spec, openapi-generator, spec-validation |
| Empty database/table/column name for property '{name}' not a | exception | error | postgresql, database-schema, identifier, sanitization, openapi-spec, openapi-generator, spec-validation |
| Empty method name (operationId) not allowed | exception | error | powershell, operation-id, openapi-spec, openapi-generator, spec-validation |
| Empty method name (operationId) not allowed | exception | error | protobuf, operation-id, openapi-spec, openapi-generator, spec-validation |
| Generated field number is in reserved range (19000, 19999). | exception | error | protobuf, codegen, field-number, hash-collision, openapi-generator |
| recursionLimit must be an integer, e.g. 2000. | exception | error | python, codegen, configuration, type-mismatch, openapi-generator |
| property %s in model %s uses generated Python member name %s | exception | error | python, codegen, naming, name-collision, openapi-generator |
| property %s in model %s cannot use %s as its public Python n | exception | error | python, codegen, naming, identifier, openapi-generator |
| property %s in model %s has invalid generated Python field n | exception | error | python, codegen, naming, identifier, pydantic, openapi-generator |
| properties %s and %s in model %s both accept input name %s | exception | error | python, codegen, naming, name-collision, openapi-generator |
| properties %s and %s in model %s both use Python member name | exception | error | python, codegen, naming, name-collision, openapi-generator |
| property %s in model %s uses generated storage name %s, whic | exception | error | python, codegen, naming, name-collision, openapi-generator |
| recursionLimit must be an integer, e.g. 2000. | exception | error | python, pydantic, codegen, configuration, type-mismatch, openapi-generator |
| Invalid HTTP library " + getLibrary() + ". Only httr, httr2 | exception | error | r, codegen, configuration, http-library, openapi-generator |
| Invalid operationIdNaming: " + operationIdNaming + ". Must b | exception | error | r, codegen, configuration, naming, openapi-generator |
| Invalid HTTP library " + getLibrary() + ". Only faraday, typ | exception | error | ruby, codegen, configuration, http-library, openapi-generator |
| DateLibrary " + dateLibrary + " is not supported. Please use | exception | error | scala, http4s, codegen, configuration, date-library, openapi-generator |
| unsupported status " + resp.code | exception | error | scala, http4s, codegen, http-status, spec-validation, openapi-generator |
| Empty method name (operationId) not allowed | exception | error | scala, lagom, codegen, operationid, spec-validation, openapi-generator |
| " + operationId + " (reserved word) cannot be used as method | exception | error | scala, lagom, codegen, reserved-word, operationid, openapi-generator |
| Empty method name (operationId) not allowed | exception | error | scala, scalaz, codegen, operationid, spec-validation, openapi-generator |
| " + operationId + " (reserved word) cannot be used as method | exception | error | scala, scalaz, codegen, reserved-word, operationid, openapi-generator |
| Currently, reactive option doesn't supported by Spring Cloud | exception | error | java, spring, codegen, configuration, webflux, feign, openapi-generator |
| clientRegistrationId is only supported with the spring-http- | exception | error | java, spring, codegen, oauth2, configuration, openapi-generator |
| clientRegistrationId requires useSpringBoot4=true because @C | exception | error | spring, configuration, oauth2, openapi-generator |
| useSpringSecurityPreAuthorize is only supported with the spr | exception | error | spring, security, configuration, openapi-generator |
| swagger1AnnotationLibrary is not supported with Spring Boot | exception | error | spring, swagger, configuration, openapi-generator |
| useJackson3 is only available with Spring Boot >= 4 | exception | error | spring, jackson, configuration, openapi-generator |
| Library 'spring-http-interface' is only supported with Sprin | exception | error | spring, configuration, openapi-generator |
| only 1 response media type supported, when SSE is detected | exception | error | spring, sse, openapi, spec-validation |
| schema format 'event-stream' is required, when SSE is detect | exception | error | spring, sse, openapi, spec-validation |
| only single item type is supported, when SSE is detected | exception | error | spring, sse, openapi, spec-validation |
| Empty method name (operationId) not allowed | exception | error | swift, openapi, spec-validation, naming |
| Empty method name (operationId) not allowed | exception | error | swift, openapi, spec-validation, naming |
| Empty method name (operationId) not allowed | exception | error | swift, combine, openapi, spec-validation, naming |
| Invalid ngVersion: " + ngVersion + ". Only Angular v9+ is su | exception | error | typescript, angular, version, configuration |
| %s file suffix only allows '.', '-' and alphanumeric charact | exception | error | typescript, angular, configuration, naming |
| %s class prefix only allows alphanumeric characters. | exception | error | typescript, angular, configuration, naming |
| %s class suffix only allows alphanumeric characters. | exception | error | typescript, angular, configuration, naming |
| Invalid query param object format '%s'. Must be one of %s. | exception | error | typescript, angular, configuration, query-params |
| Invalid file naming '{}'. Must be 'camelCase' or 'kebab-case | exception | error | typescript, angular, configuration, naming |
| Invalid providedIn level '%s'. Must be one of %s. | exception | error | typescript, angular, configuration, dependency-injection |
| apiPackage and modelPackage must be defined | exception | error | typescript, axios, configuration, openapi-generator |
| Invalid file naming '{}'. Must be 'PascalCase', 'camelCase' | exception | error | typescript, fetch, configuration, naming |
| %s file suffix only allows '.', '-' and alphanumeric charact | exception | error | typescript, nestjs, codegen, config-validation, file-naming |
| %s class suffix only allows alphanumeric characters. | exception | error | typescript, nestjs, codegen, config-validation, class-naming |
| Invalid file naming '{}'. Must be 'camelCase' or 'kebab-case | exception | error | typescript, nestjs, codegen, file-naming, config-validation |
| %s file suffix only allows '.', '-' and alphanumeric charact | exception | error | typescript, nestjs, server, codegen, config-validation, file-naming |
| %s class suffix only allows alphanumeric characters. | exception | error | typescript, nestjs, server, codegen, config-validation, class-naming |
| Invalid file naming '{}'. Must be 'camelCase' or 'kebab-case | exception | error | typescript, nestjs, server, codegen, file-naming, config-validation |
| Empty method name (operationId) not allowed | exception | error | xojo, openapi, operationid, codegen, spec-validation |
| {} is an invalid enum property naming option. Please choose | exception | error | xojo, serialization, codegen, config-validation |
| cacheScope requires 'key|content' or 'key\ncontent' | exception | error | mustache, template, csharp, codegen, cache-lambda |
| cacheScope key cannot be empty | exception | error | mustache, template, csharp, codegen, cache-lambda |
| recallScope key cannot be empty | exception | error | mustache, template, csharp, codegen, cache-lambda |
| The given HTTP status code: {} is not supported by the 'org. | exception | error | spring, java, http-status, openapi, codegen |
| {} must be a valid com.fasterxml.jackson.annotation.JsonIncl | exception | error | jackson, spring, vendor-extension, codegen, validation |
| {} must be one of [NON_NULL, NON_EMPTY, NON_DEFAULT, NONE] b | exception | error | jackson, spring, codegen, config-validation |
| {} must be one of [SKIP, FAIL] but was: {} | exception | error | jackson, spring, codegen, config-validation |
| {} must be one of SKIP, FAIL, or NONE (to emit no annotation | exception | error | jackson, spring, vendor-extension, codegen, validation |
| Word '${name}' could not be escaped. | exception | error | java, codegen, string-escaping, naming, edge-case |
| Failed to cache configuration | exception | error | php, mezzio, config-cache, permissions, generated-code |
| Failed to cache configuration | exception | error | php, mezzio, config-cache, permissions, generated-code |
| Cannot automatically set the API key from the configuration, | panic | error | rust, authentication, api-key, security-scheme, codegen, generated-code |
| description not found in the available values. | exception | error | openapi-generator, java, enum-lookup, illegal-argument, case-sensitivity |
| inputSpec, inputSpecRootDirectory, or inputSpecFiles must be | exception | error | openapi-generator, maven, plugin-config, missing-parameter, mojo-execution-exception |
| mergedFileOutputDir must be set when inputSpecFiles is used | exception | error | openapi-generator, maven, plugin-config, spec-merging, missing-parameter |
| Invalid mergeMode value '${mergeMode}'. Valid values are: RE | exception | error | openapi-generator, maven, plugin-config, spec-merging, invalid-enum-value |
| Invalid mergeConflictStrategy value '${mergeConflictStrategy | exception | error | openapi-generator, maven, plugin-config, spec-merging, invalid-enum-value |
| The generator requires 'generatorName'. Refer to documentati | exception | critical | openapi-generator, maven, plugin-config, missing-parameter, generator-selection |
| Failed to create the folder " + parent.getAbsolutePath() + " | exception | error | openapi-generator, maven, filesystem, permissions, checksum, parallel-builds |
| Code generation failed. See above for the full exception. | exception | error | openapi-generator, maven, wrapper-exception, code-generation, diagnostics |
| Either 'addCompileSourceRoot' or 'addTestCompileSourceRoot' | exception | error | openapi-generator, maven, plugin-config, mutually-exclusive-options, source-roots |
| Failed to write collapsed spec {0} | exception | error | openapi-generator, maven, file-write, ioexception, spec-merging, collapsed-spec |
| Validation has error(s). See above for the details. | exception | error | openapi-generator, maven, spec-validation, mojo-execution-exception, strict-mode |
| inputSpec, inputSpecRootDirectory, or inputSpecFiles must be | exception | error | openapi-generator, maven, plugin-config, missing-parameter, spec-validation |
| mergedFileOutputDir must be set when inputSpecFiles is used | exception | error | openapi-generator, maven, plugin-config, spec-merging, missing-parameter |
| Invalid mergeMode value '" + mergeMode + "'. Valid values ar | exception | error | openapi-generator, maven, plugin-config, spec-merging, invalid-enum-value |
| Invalid mergeConflictStrategy value '" + mergeConflictStrate | exception | error | openapi-generator, maven, plugin-config, spec-merging, invalid-enum-value |
| Failed to write collapsed spec {0} | exception | error | openapi-generator, maven, file-write, ioexception, collapsed-spec, lifecycle-binding |
| File not found or has expired | http | warning | http-404, download-link, ttl-expiry, in-memory-state, openapi-generator-online |
| File not found | http | error | http-404, file-not-found, one-shot-download, tmp-cleanup, openapi-generator-online |
| I/O error while reading file | http | error | http-500, io-error, filesystem, tmp-permissions, openapi-generator-online |
| Framework is required | http | error | http-400, missing-parameter, spring-delegate, openapi-generator-online |
| Unsupported target %s supplied. %s | http | warning | http-404, generator-name, classpath, code-gen-config-loader, openapi-generator-online |
| No options were supplied | http | error | http-400, missing-body, request-binding, openapi-generator-online |
| No OpenAPI specification was supplied | http | error | http-400, openapi-spec, request-validation, openapi-generator-online |
| The OpenAPI specification supplied was not valid | http | error | http-400, openapi-spec, swagger-parser, url-unreachable, openapi-generator-online |
| Unsupported target " + language + " supplied | http | error | http-400, generator-name, code-gen-config-loader, openapi-generator-online |
| In rule: " + rule + "the operands were not provided in the f | http | error | http-400, openapi-normalizer, input-format, openapi-generator-online |
| A target generation was attempted, but no files were created | http | error | http-400, empty-spec, code-generation, openapi-generator-online |
| Unable to build target: " + e.getMessage() | http | error | http-400, code-generation, catch-all, template-engine, openapi-generator-online |
| Cannot access tmp folder | exception | critical | http-500, tmp-dir, filesystem-permissions, containerization, openapi-generator-online |