Error when running with configuration cache disabled

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#2,927 opened on May 13, 2026 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 3/5
Estimated time: 1-2 days
Newbie friendliness: 45/100

Issue type: Bug
Clarity: Needs clarification
Activity status: Quiet
Tech stack: java
Domain: build-system

Research direction

Start by reproducing the failure with Gradle 9.5.1, Spotless 8.4.0, and ./gradlew --no-configuration-cache sC --stacktrace. Read FormatterStepSerializationRoundtrip, ConfigurationCacheHackList, and FormatterStepEqualityOnStateSerialization in the stack trace; done means the command no longer fails when configuration cache is disabled.

Written by the indexing model from the issue text.

Description

I'm using Gradle 9.5.1 with Spotless 8.4.0.
While trying to reproduce #2926, I tried running Spotless w/o configuration cache. That causes an error unfortunately:

$ ./gradlew --no-configuration-cache sC --stacktrace
> Task :spotlessGroovy FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':spotlessGroovy' (registered in build file 'build.gradle').
> If the initializer was null, then one of roundtripStateInternal or equalityStateInternal should be non-null, and neither was

* Try:
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights from a Build Scan (powered by Develocity).
> Get more help at https://help.gradle.org.

* Exception is:
org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':spotlessGroovy' (registered in build file 'build.gradle').
        at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:38)
        at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.executeTask(EventFiringTaskExecuter.java:77)
        at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:55)
        at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:52)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:210)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:205)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:67)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:60)
        at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:167)
        at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:60)
        at org.gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:54)
        at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter.execute(EventFiringTaskExecuter.java:52)
        at org.gradle.execution.plan.DefaultNodeExecutor.executeLocalTaskNode(DefaultNodeExecutor.java:55)
        at org.gradle.execution.plan.DefaultNodeExecutor.execute(DefaultNodeExecutor.java:34)
        at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:355)
        at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:343)
        at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.lambda$execute$0(DefaultTaskExecutionGraph.java:339)
        at org.gradle.internal.operations.CurrentBuildOperationRef.with(CurrentBuildOperationRef.java:84)
        at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:339)
        at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:328)
        at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.execute(DefaultPlanExecutor.java:459)
        at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.run(DefaultPlanExecutor.java:376)
        at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
        at org.gradle.internal.concurrent.AbstractManagedExecutor$1.run(AbstractManagedExecutor.java:47)
Caused by: java.lang.IllegalStateException: If the initializer was null, then one of roundtripStateInternal or equalityStateInternal should be non-null, and neither was
        at com.diffplug.spotless.FormatterStepSerializationRoundtrip.writeObject(FormatterStepSerializationRoundtrip.java:74)
        at com.diffplug.spotless.FormatterStepSerializationRoundtrip$HackClone.writeObject(FormatterStepSerializationRoundtrip.java:121)
        at com.diffplug.spotless.ConfigurationCacheHackList.writeObject(ConfigurationCacheHackList.java:78)
        at com.diffplug.spotless.LazyForwardingEquality.toBytes(LazyForwardingEquality.java:110)
        at com.diffplug.spotless.FormatterStepEqualityOnStateSerialization.lambda$serializedState$0(FormatterStepEqualityOnStateSerialization.java:95)
        at com.diffplug.spotless.ThrowingEx.get(ThrowingEx.java:67)
        at com.diffplug.spotless.FormatterStepEqualityOnStateSerialization.serializedState(FormatterStepEqualityOnStateSerialization.java:95)
        at com.diffplug.spotless.FormatterStepEqualityOnStateSerialization.hashCode(FormatterStepEqualityOnStateSerialization.java:75)
        at com.diffplug.spotless.FormatterStepSerializationRoundtrip$HackClone.hashCode(FormatterStepSerializationRoundtrip.java:142)
        at com.diffplug.spotless.ConfigurationCacheHackList.hashCode(ConfigurationCacheHackList.java:151)
        at org.gradle.internal.execution.impl.DefaultInputFingerprinter$InputCollectingVisitor.visitInputProperty(DefaultInputFingerprinter.java:131)
        at org.gradle.api.internal.tasks.execution.TaskExecution.visitMutableInputs(TaskExecution.java:336)
        at org.gradle.internal.execution.impl.DefaultInputFingerprinter.fingerprintInputProperties(DefaultInputFingerprinter.java:77)
        at org.gradle.internal.execution.steps.CaptureMutableStateBeforeExecutionStep.captureExecutionStateWithOutputs(CaptureMutableStateBeforeExecutionStep.java:124)
        at org.gradle.internal.execution.steps.CaptureMutableStateBeforeExecutionStep.lambda$captureExecutionState$0(CaptureMutableStateBeforeExecutionStep.java:94)
        at org.gradle.internal.execution.steps.BuildOperationStep$1.call(BuildOperationStep.java:38)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:210)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:205)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:67)
        at org.gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:60)
        at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:167)
        at org.gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:60)
        at org.gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:54)
        at org.gradle.internal.execution.steps.BuildOperationStep.operation(BuildOperationStep.java:35)
        at org.gradle.internal.execution.steps.CaptureMutableStateBeforeExecutionStep.captureExecutionState(CaptureMutableStateBeforeExecutionStep.java:92)
        at org.gradle.internal.execution.steps.CaptureMutableStateBeforeExecutionStep.executeMutable(CaptureMutableStateBeforeExecutionStep.java:73)
        at org.gradle.internal.execution.steps.CaptureMutableStateBeforeExecutionStep.execute(CaptureMutableStateBeforeExecutionStep.java:65)
        at org.gradle.internal.execution.steps.CaptureMutableStateBeforeExecutionStep.execute(CaptureMutableStateBeforeExecutionStep.java:45)
        at org.gradle.internal.execution.steps.SkipEmptyMutableWorkStep.executeWithNonEmptySources(SkipEmptyMutableWorkStep.java:210)
        at org.gradle.internal.execution.steps.SkipEmptyMutableWorkStep.executeMutable(SkipEmptyMutableWorkStep.java:85)
        at org.gradle.internal.execution.steps.SkipEmptyMutableWorkStep.executeMutable(SkipEmptyMutableWorkStep.java:53)
        at org.gradle.internal.execution.steps.MutableStep.execute(MutableStep.java:26)
        at org.gradle.internal.execution.steps.legacy.MarkSnapshottingInputsStartedStep.execute(MarkSnapshottingInputsStartedStep.java:38)
        at org.gradle.internal.execution.steps.LoadPreviousExecutionStateStep.executeMutable(LoadPreviousExecutionStateStep.java:36)
        at org.gradle.internal.execution.steps.LoadPreviousExecutionStateStep.executeMutable(LoadPreviousExecutionStateStep.java:23)
        at org.gradle.internal.execution.steps.MutableStep.execute(MutableStep.java:26)
        at org.gradle.internal.execution.steps.HandleStaleOutputsStep.executeMutable(HandleStaleOutputsStep.java:77)
        at org.gradle.internal.execution.steps.HandleStaleOutputsStep.executeMutable(HandleStaleOutputsStep.java:43)
        at org.gradle.internal.execution.steps.MutableStep.execute(MutableStep.java:26)
        at org.gradle.internal.execution.steps.AssignMutableWorkspaceStep.lambda$executeMutable$0(AssignMutableWorkspaceStep.java:34)
        at org.gradle.api.internal.tasks.execution.TaskExecution$4.withWorkspace(TaskExecution.java:305)
        at org.gradle.internal.execution.steps.AssignMutableWorkspaceStep.executeMutable(AssignMutableWorkspaceStep.java:30)
        at org.gradle.internal.execution.steps.AssignMutableWorkspaceStep.executeMutable(AssignMutableWorkspaceStep.java:21)
        at org.gradle.internal.execution.steps.MutableStep.execute(MutableStep.java:26)
        at org.gradle.internal.execution.steps.ChoosePipelineStep.execute(ChoosePipelineStep.java:40)
        at org.gradle.internal.execution.steps.ChoosePipelineStep.execute(ChoosePipelineStep.java:23)
        at org.gradle.internal.execution.steps.ExecuteWorkBuildOperationFiringStep.lambda$execute$2(ExecuteWorkBuildOperationFiringStep.java:67)
        at org.gradle.internal.execution.steps.ExecuteWorkBuildOperationFiringStep.execute(ExecuteWorkBuildOperationFiringStep.java:67)
        at org.gradle.internal.execution.steps.ExecuteWorkBuildOperationFiringStep.execute(ExecuteWorkBuildOperationFiringStep.java:39)
        at org.gradle.internal.execution.steps.IdentityCacheStep.execute(IdentityCacheStep.java:46)
        at org.gradle.internal.execution.steps.IdentityCacheStep.execute(IdentityCacheStep.java:34)
        at org.gradle.internal.execution.steps.IdentifyStep.execute(IdentifyStep.java:56)
        at org.gradle.internal.execution.steps.IdentifyStep.execute(IdentifyStep.java:38)
        at org.gradle.internal.execution.impl.DefaultExecutionEngine$1.execute(DefaultExecutionEngine.java:68)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeIfValid(ExecuteActionsTaskExecuter.java:132)
        at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:121)
        at org.gradle.api.internal.tasks.execution.ProblemsTaskPathTrackingTaskExecuter.execute(ProblemsTaskPathTrackingTaskExecuter.java:41)
        at org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute(ResolveTaskExecutionModeExecuter.java:51)
        at org.gradle.api.internal.tasks.execution.FinalizePropertiesTaskExecuter.execute(FinalizePropertiesTaskExecuter.java:46)
        at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:57)
        at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:74)
        at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:36)
        ... 23 more


BUILD FAILED in 5s

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