ErrLookup › google/guava

google/guava

Google core libraries for Java · Java · 1,865 source files

Analyzed at 94f39958ba on 2026-08-13. 26 documented errors.

Code / MessageTypeSeverityTags
returns null and cannot be used to test instance methods.
exception error guava, testing, class-sanity, instantiation, null
wrong exception thrown from
exception error guava, testing, nullpointer-tester, null-check, contract
Annotation requires to be
exception error guava-testlib, annotations, features, conflicting-requirements
Cannot generate distinct value for parameter
exception error guava-testlib, equals-hashcode, reflection, class-sanity
Call using() before createTestSuite().
exception error guava-testlib, test-setup, illegal-state, builder
Return value of reserialized to an unequal value
exception error guava-testlib, serialization, equals-hashcode, class-sanity
$ITEM must not be $RELATIONSHIP to $OTHER
exception error guava, testing, equals, contract, relationship-tester
Error extracting features from tester annotation.
exception error guava-testlib, annotations, reflection, features
at index
validation error guava, testing, equals, null-pointer, validation
failure during tearDown
exception error guava, testing, teardown, lifecycle, exception-wrapping
Null check failed on return value of
exception error guava-testlib, null-checks, reflection, class-sanity
A compound CollectionSize doesn't specify a number of…
exception error guava-testlib, illegal-state, features, collection-size, api-misuse
Serialization failed on return value of
exception error guava-testlib, serialization, reflection, class-sanity
Should not call merge function if value was null
exception error guava-testlib, map-contract, merge, null-values, assertion
unable to extract method from test: not a TestCase.
exception error guava-testlib, junit, reflection, test-filtering
Should not call merge function if key was absent
exception error guava-testlib, map-contract, merge, assertion
Cannot determine value for parameter
exception error guava-testlib, reflection, class-sanity, instantiation
Annotation explicitly or implicitly requires one or more…
exception error guava-testlib, annotations, features, conflicting-requirements
Unexpected interrupt while waiting for latch
exception error guava, testing, concurrency, gc, interrupt, latch
Should not call merge function if key was mapped to null
exception error guava-testlib, map-contract, merge, null-values, assertion
Unexpected interrupt while waiting for future
exception error guava, testing, concurrency, gc, interrupt, finalization
scheduleWithFixedDelay is not supported.
exception error guava, testing, concurrency, executor, unsupported-operation, scheduled
scheduleAtFixedRate is not supported.
exception error guava, testing, concurrency, executor, unsupported-operation, scheduled
: no CollectionSizes specified (check the argument to…
exception error guava-testlib, test-setup, features, collection-size
Call named() before createTestSuite().
exception error guava-testlib, test-setup, illegal-state, builder
Call withFeatures() before createTestSuite().
exception error guava-testlib, test-setup, illegal-state, features, builder