ErrLookup › junit-team/junit5
junit-team/junit5
✅ The programmer-friendly testing framework for Java and the JVM · Java · 1,031 source files
Analyzed at 956246301e on 2026-08-04. 133 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Failed to write report | exception | error | io, documentation-tool, filesystem, build |
| Assumption failed: | exception | info | assumption, conditional-test-execution, test-aborted, junit-jupiter |
| Assumption failed | exception | info | assumption, conditional-test-execution, test-aborted, junit-jupiter |
| This class must not be instantiated | exception | error | class-orderer, sentinel-class, reflection, junit-jupiter |
| Implement generateDisplayNameForNestedClass(List<Class<?>>, | exception | error | display-name-generator, migration, nested-test, deprecation, junit-jupiter |
| Implement generateDisplayNameForMethod(List<Class<?>>, Class | exception | error | display-name-generator, migration, method-display-name, deprecation, junit-jupiter |
| This class must not be instantiated | exception | error | method-orderer, sentinel-class, reflection, junit-jupiter |
| Failed to copy files to the output directory | exception | error | io, test-reporter, filesystem, publish-directory, junit-jupiter |
| @DefaultLocale can only be used with language tag if languag | exception | error | default-locale, extension-configuration, annotation-misuse, junit-jupiter |
| @DefaultLocale can only be used with language tag if provide | exception | error | default-locale, extension-configuration, annotation-misuse, junit-jupiter |
| @DefaultLocale not configured correctly. When not using a la | exception | error | default-locale, extension-configuration, annotation-misuse, junit-jupiter |
| @DefaultLocale can only be used with a provider if value, la | exception | error | default-locale, extension-configuration, annotation-misuse, junit-jupiter |
| LocaleProvider instance could not be constructed because of | exception | error | default-locale, locale-provider, reflection, extension-configuration, junit-jupiter |
| LocaleProvider instance returned with null | exception | error | default-locale, locale-provider, null-contract, extension-configuration, junit-jupiter |
| Either a valid time zone id or a TimeZoneProvider must be pr | exception | error | default-timezone, extension-configuration, annotation-misuse, junit-jupiter |
| @DefaultTimeZone not configured correctly. Could not find th | exception | error | default-timezone, extension-configuration, invalid-id, junit-jupiter |
| Could not instantiate TimeZoneProvider because of exception | exception | error | default-timezone, timezone-provider, reflection, extension-configuration, junit-jupiter |
| SystemPropertiesExtension was configured to restore the syst | exception | error | system-properties, extension-configuration, properties-clone, snapshot, junit-jupiter |
| SystemPropertyExtension was configured to set/clear %s [%s] | exception | error | system-properties, extension-configuration, duplicate-key, annotation-misuse, junit-jupiter |
| Invalid %s '%s' set via the '%s' configuration parameter. | exception | error | configuration-parameter, enum, junit-platform-properties, configuration-error, junit-jupiter |
| Failed to publish path | exception | error | junit-jupiter, extension, publishing, io, report-entry |
| Failed to create output directory | exception | error | junit-jupiter, extension, io, configuration, publishing |
| The following TestInstanceFactory extensions were registered | exception | error | junit-jupiter, extension, test-instance-factory, configuration |
| TestInstanceFactory [%s] failed to instantiate test class [% | exception | error | junit-jupiter, extension, test-instance-factory, instantiation |
| TestInstanceFactory [%s] failed to return an instance of [%s | exception | error | junit-jupiter, extension, test-instance-factory, type-mismatch, classloader |
| 'ResourceLockTarget.CHILDREN' is not supported for methods. | exception | error | junit-jupiter, parallel-execution, resource-lock, annotation |
| @TestFactory method must not return null | exception | error | junit-jupiter, test-factory, dynamic-test, null-check |
| Chain of InvocationInterceptors never called invocation: <in | exception | error | junit-jupiter, extension, invocation-interceptor, internal |
| Failed to close extension context | exception | error | junit-jupiter, extension-context, resource-cleanup, store |
| State could not be cloned | exception | error | junit-jupiter, internal, clone, defensive |
| No ParameterResolver registered for parameter [%s] in %s [%s | exception | error | junit-jupiter, parameter-resolution, extension, configuration |
| Discovered multiple competing ParameterResolvers for paramet | exception | error | junit-jupiter, parameter-resolution, extension, conflict |
| Failed to resolve parameter [%s] in %s [%s] | exception | error | junit-jupiter, parameter-resolution, extension, wrapper |
| ParameterResolver [%s] resolved a null value for parameter [ | exception | error | junit-jupiter, parameter-resolution, primitive, null, type-mismatch |
| ParameterResolver [%s] resolved a value of type [%s] for par | exception | error | junit-jupiter, parameter-resolution, type-mismatch, argument-conversion |
| @TempDir field [<field>] must not be declared as final. | exception | error | junit-jupiter, tempdir, extension, field-injection, final |
| Can only resolve @TempDir <target> of type java.nio.file.Pat | exception | error | junit-jupiter, tempdir, extension, type-mismatch |
| Failed to create default temp directory | exception | error | junit-jupiter, tempdir, extension, io, filesystem |
| temp directory must be a directory | exception | error | junit-jupiter, tempdir, extension, precondition, filesystem |
| temp directory with non-default file system cannot be inject | exception | error | junit-jupiter, tempdir, extension, filesystem, type-mismatch |
| Could not map TimeUnit <unit> to ChronoUnit | exception | error | timeout, internal-assertion, unreachable, junit-jupiter-engine |
| Timeout duration is not in the expected format (<number> [ns | exception | warning | timeout, configuration, format-error, junit-jupiter-engine |
| thread mode must not be INFERRED | exception | error | timeout, internal-assertion, thread-mode, junit-jupiter-engine |
| Scheduled executor could not be stopped in an orderly manner | exception | error | timeout, executor, teardown, ci-environment, junit-jupiter-engine |
| Unsupported argument count validation mode: <mode> | exception | error | parameterized-test, internal-assertion, unreachable, junit-jupiter-params |
| Constructor injection is not supported for @ParameterizedCla | exception | error | parameterized-class, test-instance, constructor-injection, configuration, junit-jupiter-params |
| Configuration error: You must configure at least one set of | exception | error | parameterized-test, arguments-source, empty-stream, configuration, junit-jupiter-params |
| The display name pattern defined for the parameterized test | exception | error | parameterized-test, display-name, messageformat, configuration, junit-jupiter-params |
| Failed to format display name for parameterized test. See ne | exception | error | parameterized-test, display-name, messageformat, runtime-error, junit-jupiter-params |
| When the display name pattern for a @%s contains %s, the arg | exception | error | parameterized-test, display-name, argument-set, configuration, junit-jupiter-params |
| Failed to find constructor for %s [%s]. Please ensure that a | exception | error | spi, arguments-provider, argument-converter, constructor, configuration, junit-jupiter-params |
| Failed to inject parameter value into field: <field> | exception | error | parameterized-class, field-injection, type-mismatch, reflection, junit-jupiter-params |
| Configuration error: <error>. | exception | error | parameterized-class, field-injection, configuration, validation, junit-jupiter-params |
| %d configuration errors:%n%s | exception | error | parameterized-class, field-injection, configuration, validation, junit-jupiter-params |
| Argument at index [%d] with value [%s] and type [%s] could n | exception | error | arguments-accessor, type-conversion, parameterized-test, type-mismatch, junit-jupiter-params |
| Cannot convert null to primitive value of type ${targetType. | exception | error | argument-converter, null-value, primitive-type, parameterized-test, junit-jupiter-params |
| No built-in converter for source type %s and target type %s | exception | error | argument-converter, type-conversion, parameterized-test, type-mismatch, junit-jupiter-params |
| Cannot convert null to ${targetClass.getName()}; consider se | exception | error | argument-converter, java-time, null-value, parameterized-test, junit-jupiter-params |
| Cannot convert to ${targetClass.getName()}: ${input} | exception | error | argument-converter, java-time, unsupported-type, parameterized-test, junit-jupiter-params |
| %s cannot convert objects of type [%s]. Only source objects | exception | error | argument-converter, typed-converter, type-mismatch, parameterized-test, junit-jupiter-params |
| %s cannot convert to type [%s]. Only target type [%s] is sup | exception | error | junit, jupiter-params, argument-converter, parameterized-test, type-mismatch |
| AnnotationBasedArgumentsProvider does not override the provi | exception | error | junit, jupiter-params, arguments-provider, api-migration |
| Please implement provideArguments(ParameterDeclarations, Ext | exception | error | junit, jupiter-params, arguments-provider, api-migration |
| ArgumentsProvider does not override the provideArguments(Par | exception | error | junit, jupiter-params, arguments-provider, api-migration |
| Failed to parse CSV input configured via ${annotation} | exception | error | junit, jupiter-params, csv, parameterized-test, parsing |
| The charset supplied in ${csvFileSource} is invalid | exception | error | junit, jupiter-params, csv, charset, configuration |
| File [${path}] could not be read | exception | error | junit, jupiter-params, csv, file-io, configuration |
| @EmptySource cannot provide an empty argument %s: [%s] is no | exception | error | junit, jupiter-params, empty-source, parameterized-test, type-mismatch |
| Must not be instantiated | exception | error | junit, jupiter-params, empty-source, internal-api, misuse |
| Pattern compilation failed for a regular expression supplied | exception | error | junit, jupiter-params, enum-source, regex, parameterized-test |
| ${annotationConsumerInstance.getClass().getName()} must be u | exception | error | junit, jupiter-params, annotation-consumer, configuration |
| Failed to initialize AnnotationConsumer: ${instance} | exception | error | junit, jupiter-params, annotation-consumer, validation |
| Level must not be null | exception | error | junit, platform-commons, logging, internal-api, null-check |
| Class must not be null | exception | error | junit, platform-commons, logging, internal-api, null-check |
| Class must not be null | exception | error | junit, platform-commons, logging, internal-api, null-check |
| Cannot convert null to primitive value of type ${targetType. | exception | error | junit, platform-commons, conversion, primitive, null |
| Failed to convert String "%s" to type %s | exception | error | junit, platform-commons, conversion, parsing, parameterized-test |
| No built-in converter for source type java.lang.String and t | exception | error | junit, platform-commons, conversion, type-mismatch, parameterized-test |
| Invoke convert(String, Class<?>, ClassLoader) instead | exception | error | junit, platform-commons, conversion, internal-api, misuse |
| Failed to convert String "${url}" to type java.net.URL | exception | error | |
| Implement scanForResourcesInPackage(String, ResourceFilter) | exception | error | |
| Implement scanForResourcesInClasspathRoot(URI, ResourceFilte | exception | error | |
| There should not be more than one ClasspathScanner implement | exception | error | |
| Failed to create file system for ${jarUri} | exception | error | |
| Failed to close file system for ${jarUri} | exception | error | |
| Unsupported parameter kind: ${parameter.getKind()} | exception | error | |
| Failed to read contents of ${reference}. | exception | error | |
| Failed to load class with name '${binaryName}'. | exception | error | |
| Failed to load resource with name '${binaryName}'. | exception | error | |
| Detected cycle in inner class hierarchy between %s and %s | exception | error | |
| Expected file name with file extension, but got: ${fileName} | exception | error | |
| Invalid classpath entry: ${path} | exception | error | |
| Failed to close custom class loader | exception | error | |
| Missing required subcommand | exception | error | |
| Error redirecting stdout and stderr to file: ${stdoutPath} | exception | error | |
| Error redirecting stdout to file: ${stdoutPath} | exception | error | |
| Error redirecting stderr to file: ${stderrPath} | exception | error | |
| Duplicate key '%s' for values '%s' and '%s'. | exception | error | |
| Cannot override the standard style 'NONE' | exception | error | junit-platform, console, ansi, color-palette, configuration |
| Could not read color palette properties | exception | error | junit-platform, console, io, color-palette, configuration |
| Could not open color palette properties file | exception | error | junit-platform, console, io, filesystem, color-palette, configuration |
| Failed to transform configuration parameter with key '%s' an | exception | error | junit-platform, configuration, config-parameters, parsing |
| OutputDirectoryCreator not available; probably due to unalig | exception | error | junit-platform, version-mismatch, launcher, classpath, module-path |
| '%s' is not a well-formed UniqueId segment | exception | error | junit-platform, unique-id, parsing, discovery |
| Could not find any resource(s) with name: ${this.classpathRe | exception | error | junit-platform, discovery, classpath, resources, classpath-resource-selector |
| Failed to create a java.net.URI from: ${uri} | exception | error | junit-platform, discovery, uri, parsing, uri-selector |
| Failed to retrieve canonical path for file: ${file} | exception | error | junit-platform, discovery, io, filesystem, file-selector, canonical-path |
| Failed to retrieve canonical path for directory: ${directory | exception | error | junit-platform, discovery, io, filesystem, directory-selector, canonical-path |
| Failed to retrieve canonical path for directory: ${directory | exception | error | junit-platform, test-source, io, filesystem, directory-source, canonical-path |
| Failed to retrieve canonical path for file: ${file} | exception | error | junit-platform, test-source, io, filesystem, file-source, canonical-path |
| Selector ${selector} did not yield unique test descriptor: $ | exception | error | junit-platform, discovery, selector-resolver, test-descriptor, engine-internal |
| Failed to create ForkJoinPool | exception | critical | junit-platform, parallel-execution, fork-join-pool, configuration, threading |
| Task was deferred but should have been executed synchronousl | exception | critical | junit-platform, parallel-execution, fork-join-pool, resource-lock, threading, engine-internal |
| Error executing tests for engine ${getId()} | exception | critical | junit-platform, hierarchical-test-engine, execution, engine, wrapper-exception |
| Not on a worker thread | exception | error | junit-platform, parallel-execution, worker-thread-pool, threading, engine-internal |
| Could not add entry to the queue for task: ${entry.task} | exception | critical | junit-platform, parallel-execution, worker-thread-pool, threading, engine-internal, invariant-violation |
| Object stored under key [%s] is not of required type [%s], b | exception | error | junit-platform, store, extension-context, type-mismatch, class-cast |
| A NamespacedHierarchicalStore cannot be modified or queried | exception | error | junit-platform, store, extension-context, lifecycle, use-after-close |
| Launcher session has already been closed | exception | error | lifecycle, launcher, use-after-close, junit-platform |
| Invalid DiscoveryIssue.Severity '%s' set via the '%s' config | exception | error | configuration, discovery, junit-platform, invalid-config |
| No TestEngine ID matched the following include EngineFilters | exception | error | discovery, engine-filter, configuration, junit-platform |
| Cannot create Launcher for multiple engines with the same ID | exception | critical | engine, classpath, service-loader, duplicate, junit-platform |
| Third-party TestEngine '%s' is forbidden to use the reserved | exception | critical | engine, reserved-id, configuration, junit-platform |
| TestPlan must only be executed once | exception | error | execution, test-plan, lifecycle, junit-platform |
| Filter [%s] must implement %s, %s, or %s. | exception | error | discovery, filter, api-misuse, junit-platform |
| Invalid LauncherPhase '%s' set via the '%s' configuration pa | exception | error | configuration, launcher, invalid-config, junit-platform |
| Failed to create output dir | exception | error | filesystem, output-dir, configuration, io, junit-platform |
| Failed to create output file: | exception | error | filesystem, output-dir, io, junit-platform |
| Failed to start process | exception | error | git, process, io, reporting, junit-platform |
| Failed to initialize XML events writer | exception | error | reporting, xml, listener, initialization, junit-platform |
| Failed to connect to socket on port | exception | error | reporting, socket, network, configuration, junit-platform |
| Failed to create XML events file | exception | error | reporting, xml, filesystem, io, junit-platform |
| Failed to close XML events file | exception | error | reporting, xml, io, lifecycle, junit-platform |