ErrLookup › junit-team/junit5
junit-team/junit5
✅ The programmer-friendly testing framework for Java and the JVM · Java · 1,033 source files
Analyzed at f070c699a0 on 2026-08-11. 133 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Failed to find constructor for | exception | error | spi, instantiation, constructor, reflection, junit-params |
| Failed to start process | exception | error | process, git, io, reporting, ci, configuration |
| Configuration error: . | exception | error | configuration, parameter-resolution, validation, junit-params |
| Failed to close XML events file | exception | error | io, reporting, xml, cleanup, flush |
| The display name pattern defined for the parameterized test… | exception | error | display-name, messageformat, pattern, configuration, junit-params |
| Parameter resolution is disabled | exception | error | internal, parameter-resolution, lifecycle, junit-params |
| Failed to connect to socket on port | exception | error | network, socket, reporting, configuration, loopback |
| Failed to create XML events file | exception | error | filesystem, io, reporting, xml, permissions |
| ArgumentsAggregator does not override the… | exception | error | aggregator, field-context, spi, version-compatibility, junit-params |
| SystemPropertiesExtension was configured to restore the… | exception | error | system-properties, snapshot, defaults, extension-config, properties-clone |
| Failed to create output dir | exception | error | filesystem, io, reporting, permissions, configuration |
| Unsupported execution status | validation | error | listener, test-engine, versioning, validation, precondition |
| Constructor injection is not supported for… | exception | error | parameterized-class, test-instance, constructor-injection, configuration, junit-params |
| ArgumentConverter does not override the convert(Object… | exception | error | converter, field-context, spi, version-compatibility, junit-params |
| Failed to format display name for parameterized test. See… | exception | error | display-name, runtime, messageformat, argument-mismatch, junit-params |
| Implement generateDisplayNameForNestedClass(List<Class<?>>… | exception | error | display-name, deprecation, unsupported-operation, migration, nested-tests |
| Invalid LauncherPhase | exception | error | configuration, junit-platform, launcher, validation, discovery |
| Unsupported AnnotatedElement type for @TempDir | exception | error | tempdir, illegal-state, internal-api, reflection, extension |
| Failed to initialize XML events writer | exception | error | reporting, xml, listener, initialization, wrapper |
| Failed to create ForkJoinPool | exception | critical | parallel-execution, forkjoinpool, configuration, executor-service |
| Configuration error: You must configure at least one set of… | exception | error | parameterized-test, arguments-source, configuration, junit-params |
| No built-in converter for source type | exception | error | converter, type-mismatch, no-converter, argument-source, junit-params |
| SystemPropertyExtension was configured to set/clear | exception | error | system-properties, duplicate-key, annotation-misuse, extension-config |
| Failed to inject parameter value into field | exception | error | field-injection, reflection, parameterized-class, junit-params |
| Failed to publish path | exception | error | io, publish-file, extension-context, filesystem |
| %s | exception | error | store, namespace, type-mismatch, extension-context |
| Timeout duration is not in the expected format | exception | error | timeout, configuration, junit-jupiter, parsing |
| Implement generateDisplayNameForMethod(List<Class<?>>… | exception | error | display-name, deprecation, unsupported-operation, migration, method-display-name |
| configuration errors:%n | exception | error | configuration, parameter-resolution, validation, multiple-errors, junit-params |
| AnnotationBasedArgumentsProvider does not override the… | exception | error | junit-jupiter, arguments-provider, deprecation, migration |
| thread mode must not be INFERRED | exception | error | timeout, internal, precondition, junit-jupiter |
| ${e.getMessage()} | console | error | cli, picocli, argument-validation, console-launcher |
| Expected file name with file extension, but got | exception | error | classpath-scanning, filesystem, defensive |
| Failed to resolve parameter | exception | error | parameter-resolution, parameter-resolver, wrapper, extension |
| OutputDirectoryCreator not available; probably due to… | exception | critical | version-mismatch, engine, launcher, dependency-management, discovery |
| Cannot convert null to | exception | error | converter, java-time, null, nullable, junit-params |
| No built-in converter for source type java.lang.String and… | exception | error | conversion, argument-conversion, parameterized-test |
| Unsupported argument count validation mode | exception | error | argument-validation, defensive-default, version-mismatch, junit-params |
| Failed to create output file | exception | error | filesystem, io, reporting, permissions, concurrency |
| Failed to parse CSV input configured via | exception | error | junit-jupiter, csv, parameterized-test, parsing |
| ArgumentsProvider does not override the… | exception | error | junit-jupiter, arguments-provider, deprecation, migration, wrapping |
| Please implement provideArguments(ParameterDeclarations… | exception | error | junit-jupiter, arguments-provider, deprecation, migration |
| Invalid ' ' set via the ' ' configuration parameter. | exception | error | configuration-parameter, enum-parsing, junit-properties, migration, typo |
| Assumption failed | exception | info | assumption, test-aborted, skip, testabortedexception, junit-jupiter |
| Implement scanForResourcesInPackage(String, ResourceFilter)… | exception | warning | classpath-scanning, deprecated-api, migration, spi |
| Scheduled executor could not be stopped in an orderly manner | exception | error | timeout, threading, executor, resource-leak, junit-jupiter |
| When the display name pattern for a @ | exception | error | display-name, argument-set, named-arguments, configuration, junit-params |
| Could not read color palette properties | validation | error | color-palette, configuration, properties, console-launcher |
| Argument at index [ ] with value [ ] and type [ ] could not… | exception | error | arguments-accessor, type-conversion, type-mismatch, junit-params |
| LocaleProvider instance could not be constructed because of… | exception | error | default-locale, locale-provider, reflection, instantiation, extension-config |
| Invalid DiscoveryIssue.Severity | exception | error | configuration, discovery-issue, severity, enum-parse |
| must not be null | exception | error | junit-platform, resource, null-check, internal |
| Could not add entry to the queue for task | exception | error | scheduler, work-queue, duplicate, concurrent |
| temp directory with non-default file system cannot be… | exception | error | tempdir, filesystem, type-mismatch, file, extension |
| Failed to transform configuration parameter with key | exception | error | configuration, engine, config-parameters |
| Invoke convert(String, Class<?>, ClassLoader) instead | exception | warning | conversion, internal-api, classloader |
| cannot convert to type [ ]. Only target type [ ] is… | exception | error | junit-jupiter, argument-conversion, typed-converter, type-mismatch |
| Failed to create default temp directory | exception | error | tempdir, io, factory, filesystem, extension |
| Not on a worker thread | exception | error | threading, worker-thread, executor-service, illegal-state |
| Chain of InvocationInterceptors never called invocation | exception | error | invocation-interceptor, internal-assertion, extension, chain-violation |
| Selector did not yield unique test descriptor | exception | error | discovery, selector, ambiguous-match, test-engine |
| must be used with an annotation of type | exception | error | junit-jupiter, annotation-consumer, initialization, configuration |
| Could not find any resource(s) with name | validation | error | discovery, classpath, resource-selector, engine |
| @DefaultTimeZone not configured correctly. Could not find… | exception | error | default-timezone, invalid-zone-id, iana-tz, extension-config |
| Failed to write report | exception | error | io, tooling, unchecked-io-exception, report-generation, junit-internal |
| Cannot convert to | exception | error | junit-jupiter, parameterized-test, argument-conversion, java-time |
| @EmptySource cannot provide an empty argument | exception | error | junit-jupiter, parameterized-test, empty-source, type-mismatch |
| @DefaultLocale can only be used with language tag if… | exception | error | default-locale, extension-config, mutual-exclusion, annotation-misuse |
| ${message} | validation | error | preconditions, validation, contract |
| Cannot convert null to primitive value of type | exception | error | converter, null, primitive-type, type-mismatch, junit-params |
| Failed to retrieve canonical path for file | exception | error | engine, filesystem, test-source, canonical-path |
| Unsupported parameter kind | exception | error | kotlin, reflection, parameter-binding |
| Chain of InvocationInterceptors called invocation multiple… | exception | error | invocation-interceptor, internal-assertion, double-invocation, extension |
| ParameterResolver [ ] resolved a value of type [ ] for… | exception | error | parameter-resolution, type-mismatch, parameter-resolver, primitive |
| @DefaultLocale not configured correctly. When not using a… | exception | error | default-locale, extension-config, validation, annotation-misuse |
| Error executing tests for engine | exception | critical | execution, engine, umbrella-error, parallel-execution |
| TestInstanceFactory [ ] failed to instantiate test class [ ] | exception | error | test-instance-factory, instantiation, extension, di |
| There should not be more than one ClasspathScanner… | exception | error | classpath, serviceloader, classpath-conflict, spi |
| Could not instantiate TimeZoneProvider because of exception | exception | error | default-timezone, timezone-provider, reflection, instantiation, extension-config |
| Error redirecting stdout and stderr to file | exception | error | console-launcher, io, filesystem, stream-redirection |
| 'ResourceLockTarget.CHILDREN' is not supported for methods… | exception | error | resource-lock, parallel-execution, annotation, method-descriptor |
| Invalid classpath entry | exception | error | classpath, console-launcher, filesystem, url |
| Failed to convert String | exception | error | conversion, parameterized-test, input-validation |
| Implement scanForResourcesInClasspathRoot(URI… | exception | warning | classpath-scanning, deprecated-api, migration, spi |
| Object stored under key | exception | error | store, type-mismatch, extension-context, class-cast |
| Detected cycle in inner class hierarchy between | exception | error | reflection, inner-class, cycle-detection, discovery |
| Pattern compilation failed for a regular expression… | exception | error | junit-jupiter, enum-source, regex, validation |
| Duplicate key ' ' for values ' ' and ' '. | validation | error | cli, picocli, configuration, argument-validation, console-launcher |
| cannot convert objects of type [ ]. Only source objects of… | exception | error | junit-jupiter, argument-conversion, typed-converter, type-mismatch |
| @DefaultLocale can only be used with a provider if value… | exception | error | default-locale, extension-config, mutual-exclusion, annotation-misuse |
| Failed to create output directory | exception | error | io, output-directory, filesystem, configuration |
| Failed to create file system for | exception | error | classpath-scanning, jar, io, filesystem |
| This class must not be instantiated | exception | error | class-orderer, sentinel, instantiation-forbidden, junit-6, reflection |
| Failed to close file system for | exception | warning | classpath-scanning, jar, io, resource-management |
| @TestFactory method must not return null | exception | error | test-factory, dynamic-test, null-return, api-misuse |
| The charset supplied in | exception | error | junit-jupiter, csv, charset, configuration |
| File [ ] could not be read | exception | error | junit-jupiter, csv, file-io, configuration |
| Missing required subcommand | validation | error | cli, picocli, console-launcher, argument-validation |
| No TestEngine ID matched the following include EngineFilters | exception | error | engine-filter, include-engines, discovery, classpath |
| Failed to close extension context | exception | error | extension-context, lifecycle, resource-cleanup, closeable |