I'm developing an Android app. This is my code.
public class MyClass {
private enum MODE {
PLAY(0),
STOP(1),
PAUSE(2);
private final int value;
MODE(int value) {
this.value = value;
}
}
}
I get the following error during the build:
Caused by: java.lang.NullPointerException
details
Execution failed for task ':app:dexBuilderDebug'.
> There was a failure while executing work items
> A failure occurred while executing com.android.build.gradle.internal.dexing.DexWorkAction
> Failed to process: /proj/app/build/intermediates/javac/debug/classes
* Exception is:
.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:dexBuilderDebug'.
at .gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.lambda$executeIfValid$1(ExecuteActionsTaskExecuter.java:142)
at .gradle.internal.Try$Failure.ifSuccessfulOrElse(Try.java:282)
at .gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeIfValid(ExecuteActionsTaskExecuter.java:140)
at .gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:128)
at .gradle.api.internal.tasks.execution.CleanupStaleOutputsExecuter.execute(CleanupStaleOutputsExecuter.java:77)
at .gradle.api.internal.tasks.execution.FinalizePropertiesTaskExecuter.execute(FinalizePropertiesTaskExecuter.java:46)
at .gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute(ResolveTaskExecutionModeExecuter.java:51)
at .gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:57)
at .gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:56)
at .gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:36)
at .gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.executeTask(EventFiringTaskExecuter.java:77)
at .gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:55)
at .gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:52)
at .gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:204)
at .gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:199)
at .gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:66)
at .gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59)
at .gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157)
at .gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59)
at .gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:53)
at .gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:73)
at .gradle.api.internal.tasks.execution.EventFiringTaskExecuter.execute(EventFiringTaskExecuter.java:52)
at .gradle.execution.plan.LocalTaskNodeExecutor.execute(LocalTaskNodeExecutor.java:69)
at .gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:327)
at .gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:314)
at .gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:307)
at .gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:293)
at .gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.execute(DefaultPlanExecutor.java:417)
at .gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.run(DefaultPlanExecutor.java:339)
at .gradle.execution.plan.DefaultPlanExecutor.process(DefaultPlanExecutor.java:96)
at .gradle.execution.taskgraph.DefaultTaskExecutionGraph.executeWithServices(DefaultTaskExecutionGraph.java:140)
at .gradle.execution.taskgraph.DefaultTaskExecutionGraph.execute(DefaultTaskExecutionGraph.java:125)
at .gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:39)
at .gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:51)
at .gradle.execution.BuildOperationFiringBuildWorkerExecutor$ExecuteTasks.call(BuildOperationFiringBuildWorkerExecutor.java:54)
at .gradle.execution.BuildOperationFiringBuildWorkerExecutor$ExecuteTasks.call(BuildOperationFiringBuildWorkerExecutor.java:43)
at .gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:204)
at .gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:199)
at .gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:66)
at .gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59)
at .gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157)
at .gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59)
at .gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:53)
at .gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:73)
at .gradle.execution.BuildOperationFiringBuildWorkerExecutor.execute(BuildOperationFiringBuildWorkerExecutor.java:40)
at .gradle.internal.build.DefaultBuildLifecycleController.lambda$executeTasks$7(DefaultBuildLifecycleController.java:161)
at .gradle.internal.model.StateTransitionController.doTransition(StateTransitionController.java:247)
at .gradle.internal.model.StateTransitionController.lambda$tryTransition$7(StateTransitionController.java:174)
at .gradle.internal.work.DefaultSynchronizer.withLock(DefaultSynchronizer.java:44)
at .gradle.internal.model.StateTransitionController.tryTransition(StateTransitionController.java:174)
at .gradle.internal.build.DefaultBuildLifecycleController.executeTasks(DefaultBuildLifecycleController.java:161)
at .gradle.internal.build.DefaultBuildWorkGraphController$DefaultBuildWorkGraph.runWork(DefaultBuildWorkGraphController.java:156)
at .gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:249)
at .gradle.internal.work.DefaultWorkerLeaseService.runAsWorkerThread(DefaultWorkerLeaseService.java:109)
at .gradleposite.internal.DefaultBuildController.doRun(DefaultBuildController.java:164)
at .gradleposite.internal.DefaultBuildController.access$000(DefaultBuildController.java:45)
at .gradleposite.internal.DefaultBuildController$BuildOpRunnable.run(DefaultBuildController.java:183)
at .gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
at .gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
Caused by: .gradle.workers.WorkerExecutionException: There was a failure while executing work items
at .gradle.workers.internal.DefaultWorkerExecutor.workerExecutionException(DefaultWorkerExecutor.java:267)
at .gradle.workers.internal.DefaultWorkerExecutor.await(DefaultWorkerExecutor.java:249)
at com.android.build.gradle.internal.tasks.DexArchiveBuilderTaskDelegate.doProcess(DexArchiveBuilderTaskDelegate.kt:220)
at com.android.build.gradle.internal.tasks.DexArchiveBuilderTask.doTaskAction(DexArchiveBuilderTask.kt:224)
at com.android.build.gradle.internal.tasks.NewIncrementalTask$taskAction$$inlined$recordTaskAction$1.invoke(BaseTask.kt:69)
at com.android.build.gradle.internal.tasks.Blocks.recordSpan(Blocks.java:51)
at com.android.build.gradle.internal.tasks.NewIncrementalTask.taskAction(NewIncrementalTask.kt:46)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
at .gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:125)
at .gradle.api.internal.project.taskfactory.IncrementalInputsTaskAction.doExecute(IncrementalInputsTaskAction.java:32)
at .gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:51)
at .gradle.api.internal.project.taskfactory.AbstractIncrementalTaskAction.execute(AbstractIncrementalTaskAction.java:25)
at .gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:29)
at .gradle.api.internal.tasks.execution.TaskExecution$3.run(TaskExecution.java:236)
at .gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:29)
at .gradle.internal.operations.DefaultBuildOperationRunner$1.execute(DefaultBuildOperationRunner.java:26)
at .gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:66)
at .gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59)
at .gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157)
at .gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59)
at .gradle.internal.operations.DefaultBuildOperationRunner.run(DefaultBuildOperationRunner.java:47)
at .gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:68)
at .gradle.api.internal.tasks.execution.TaskExecution.executeAction(TaskExecution.java:221)
at .gradle.api.internal.tasks.execution.TaskExecution.executeActions(TaskExecution.java:204)
at .gradle.api.internal.tasks.execution.TaskExecution.executeWithPreviousOutputFiles(TaskExecution.java:187)
at .gradle.api.internal.tasks.execution.TaskExecution.execute(TaskExecution.java:165)
at .gradle.internal.execution.steps.ExecuteStep.executeInternal(ExecuteStep.java:89)
at .gradle.internal.execution.steps.ExecuteStep.access$000(ExecuteStep.java:40)
at .gradle.internal.execution.steps.ExecuteStep$1.call(ExecuteStep.java:53)
at .gradle.internal.execution.steps.ExecuteStep$1.call(ExecuteStep.java:50)
at .gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:204)
at .gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:199)
at .gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:66)
at .gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59)
at .gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157)
at .gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59)
at .gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:53)
at .gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:73)
at .gradle.internal.execution.steps.ExecuteStep.execute(ExecuteStep.java:50)
at .gradle.internal.execution.steps.ExecuteStep.execute(ExecuteStep.java:40)
at .gradle.internal.execution.steps.RemovePreviousOutputsStep.execute(RemovePreviousOutputsStep.java:68)
at .gradle.internal.execution.steps.RemovePreviousOutputsStep.execute(RemovePreviousOutputsStep.java:38)
at .gradle.internal.execution.steps.CancelExecutionStep.execute(CancelExecutionStep.java:41)
at .gradle.internal.execution.steps.TimeoutStep.executeWithoutTimeout(TimeoutStep.java:74)
at .gradle.internal.execution.steps.TimeoutStep.execute(TimeoutStep.java:55)
at .gradle.internal.execution.steps.CreateOutputsStep.execute(CreateOutputsStep.java:51)
at .gradle.internal.execution.steps.CreateOutputsStep.execute(CreateOutputsStep.java:29)
at .gradle.internal.execution.steps.CaptureStateAfterExecutionStep.executeDelegateBroadcastingChanges(CaptureStateAfterExecutionStep.java:124)
at .gradle.internal.execution.steps.CaptureStateAfterExecutionStep.execute(CaptureStateAfterExecutionStep.java:80)
at .gradle.internal.execution.steps.CaptureStateAfterExecutionStep.execute(CaptureStateAfterExecutionStep.java:58)
at .gradle.internal.execution.steps.ResolveInputChangesStep.execute(ResolveInputChangesStep.java:48)
at .gradle.internal.execution.steps.ResolveInputChangesStep.execute(ResolveInputChangesStep.java:36)
at .gradle.internal.execution.steps.BuildCacheStep.executeWithoutCache(BuildCacheStep.java:181)
at .gradle.internal.execution.steps.BuildCacheStep.lambda$execute$1(BuildCacheStep.java:71)
at .gradle.internal.Either$Right.fold(Either.java:175)
at .gradle.internal.execution.caching.CachingState.fold(CachingState.java:59)
at .gradle.internal.execution.steps.BuildCacheStep.execute(BuildCacheStep.java:69)
at .gradle.internal.execution.steps.BuildCacheStep.execute(BuildCacheStep.java:47)
at .gradle.internal.execution.steps.StoreExecutionStateStep.execute(StoreExecutionStateStep.java:36)
at .gradle.internal.execution.steps.StoreExecutionStateStep.execute(StoreExecutionStateStep.java:25)
at .gradle.internal.execution.steps.RecordOutputsStep.execute(RecordOutputsStep.java:36)
at .gradle.internal.execution.steps.RecordOutputsStep.execute(RecordOutputsStep.java:22)
at .gradle.internal.execution.steps.SkipUpToDateStep.executeBecause(SkipUpToDateStep.java:110)
at .gradle.internal.execution.steps.SkipUpToDateStep.lambda$execute$2(SkipUpToDateStep.java:56)
at .gradle.internal.execution.steps.SkipUpToDateStep.execute(SkipUpToDateStep.java:56)
at .gradle.internal.execution.steps.SkipUpToDateStep.execute(SkipUpToDateStep.java:38)
at .gradle.internal.execution.steps.ResolveChangesStep.execute(ResolveChangesStep.java:73)
at .gradle.internal.execution.steps.ResolveChangesStep.execute(ResolveChangesStep.java:44)
at .gradle.internal.execution.steps.legacy.MarkSnapshottingInputsFinishedStep.execute(MarkSnapshottingInputsFinishedStep.java:37)
at .gradle.internal.execution.steps.legacy.MarkSnapshottingInputsFinishedStep.execute(MarkSnapshottingInputsFinishedStep.java:27)
at .gradle.internal.execution.steps.ResolveCachingStateStep.execute(ResolveCachingStateStep.java:89)
at .gradle.internal.execution.steps.ResolveCachingStateStep.execute(ResolveCachingStateStep.java:50)
at .gradle.internal.execution.steps.ValidateStep.execute(ValidateStep.java:114)
at .gradle.internal.execution.steps.ValidateStep.execute(ValidateStep.java:57)
at .gradle.internal.execution.steps.CaptureStateBeforeExecutionStep.execute(CaptureStateBeforeExecutionStep.java:76)
at .gradle.internal.execution.steps.CaptureStateBeforeExecutionStep.execute(CaptureStateBeforeExecutionStep.java:50)
at .gradle.internal.execution.steps.SkipEmptyWorkStep.executeWithNoEmptySources(SkipEmptyWorkStep.java:254)
at .gradle.internal.execution.steps.SkipEmptyWorkStep.execute(SkipEmptyWorkStep.java:91)
at .gradle.internal.execution.steps.SkipEmptyWorkStep.execute(SkipEmptyWorkStep.java:56)
at .gradle.internal.execution.steps.RemoveUntrackedExecutionStateStep.execute(RemoveUntrackedExecutionStateStep.java:32)
at .gradle.internal.execution.steps.RemoveUntrackedExecutionStateStep.execute(RemoveUntrackedExecutionStateStep.java:21)
at .gradle.internal.execution.steps.legacy.MarkSnapshottingInputsStartedStep.execute(MarkSnapshottingInputsStartedStep.java:38)
at .gradle.internal.execution.steps.LoadPreviousExecutionStateStep.execute(LoadPreviousExecutionStateStep.java:43)
at .gradle.internal.execution.steps.LoadPreviousExecutionStateStep.execute(LoadPreviousExecutionStateStep.java:31)
at .gradle.internal.execution.steps.AssignWorkspaceStep.lambda$execute$0(AssignWorkspaceStep.java:40)
at .gradle.api.internal.tasks.execution.TaskExecution$4.withWorkspace(TaskExecution.java:281)
at .gradle.internal.execution.steps.AssignWorkspaceStep.execute(AssignWorkspaceStep.java:40)
at .gradle.internal.execution.steps.AssignWorkspaceStep.execute(AssignWorkspaceStep.java:30)
at .gradle.internal.execution.steps.IdentityCacheStep.execute(IdentityCacheStep.java:37)
at .gradle.internal.execution.steps.IdentityCacheStep.execute(IdentityCacheStep.java:27)
at .gradle.internal.execution.steps.IdentifyStep.execute(IdentifyStep.java:44)
at .gradle.internal.execution.steps.IdentifyStep.execute(IdentifyStep.java:33)
at .gradle.internal.execution.impl.DefaultExecutionEngine$1.execute(DefaultExecutionEngine.java:76)
at .gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeIfValid(ExecuteActionsTaskExecuter.java:139)
at .gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:128)
at .gradle.api.internal.tasks.execution.CleanupStaleOutputsExecuter.execute(CleanupStaleOutputsExecuter.java:77)
at .gradle.api.internal.tasks.execution.FinalizePropertiesTaskExecuter.execute(FinalizePropertiesTaskExecuter.java:46)
at .gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute(ResolveTaskExecutionModeExecuter.java:51)
at .gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:57)
at .gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:56)
at .gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:36)
at .gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.executeTask(EventFiringTaskExecuter.java:77)
at .gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:55)
at .gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:52)
at .gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:204)
at .gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:199)
at .gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:66)
at .gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59)
at .gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157)
at .gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59)
at .gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:53)
at .gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:73)
at .gradle.api.internal.tasks.execution.EventFiringTaskExecuter.execute(EventFiringTaskExecuter.java:52)
at .gradle.execution.plan.LocalTaskNodeExecutor.execute(LocalTaskNodeExecutor.java:69)
at .gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:327)
at .gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:314)
at .gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:307)
at .gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:293)
at .gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.execute(DefaultPlanExecutor.java:417)
at .gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.run(DefaultPlanExecutor.java:339)
at .gradle.execution.plan.DefaultPlanExecutor.process(DefaultPlanExecutor.java:96)
at .gradle.execution.taskgraph.DefaultTaskExecutionGraph.executeWithServices(DefaultTaskExecutionGraph.java:140)
at .gradle.execution.taskgraph.DefaultTaskExecutionGraph.execute(DefaultTaskExecutionGraph.java:125)
at .gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:39)
at .gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:51)
at .gradle.execution.BuildOperationFiringBuildWorkerExecutor$ExecuteTasks.call(BuildOperationFiringBuildWorkerExecutor.java:54)
at .gradle.execution.BuildOperationFiringBuildWorkerExecutor$ExecuteTasks.call(BuildOperationFiringBuildWorkerExecutor.java:43)
at .gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:204)
at .gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:199)
at .gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:66)
at .gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59)
at .gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157)
at .gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59)
at .gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:53)
at .gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:73)
at .gradle.execution.BuildOperationFiringBuildWorkerExecutor.execute(BuildOperationFiringBuildWorkerExecutor.java:40)
at .gradle.internal.build.DefaultBuildLifecycleController.lambda$executeTasks$7(DefaultBuildLifecycleController.java:161)
at .gradle.internal.model.StateTransitionController.doTransition(StateTransitionController.java:247)
at .gradle.internal.model.StateTransitionController.lambda$tryTransition$7(StateTransitionController.java:174)
at .gradle.internal.work.DefaultSynchronizer.withLock(DefaultSynchronizer.java:44)
at .gradle.internal.model.StateTransitionController.tryTransition(StateTransitionController.java:174)
at .gradle.internal.build.DefaultBuildLifecycleController.executeTasks(DefaultBuildLifecycleController.java:161)
at .gradle.internal.build.DefaultBuildWorkGraphController$DefaultBuildWorkGraph.runWork(DefaultBuildWorkGraphController.java:156)
at .gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:249)
at .gradle.internal.work.DefaultWorkerLeaseService.runAsWorkerThread(DefaultWorkerLeaseService.java:109)
at .gradleposite.internal.DefaultBuildController.doRun(DefaultBuildController.java:164)
at .gradleposite.internal.DefaultBuildController.access$000(DefaultBuildController.java:45)
at .gradleposite.internal.DefaultBuildController$BuildOpRunnable.run(DefaultBuildController.java:183)
at .gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
at .gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
...
Caused by: .gradle.tooling.BuildException: Failed to process: /proj/app/build/intermediates/javac/debug/classes
at com.android.build.gradle.internal.dexing.DexWorkAction.run(DexWorkAction.kt:53)
at com.android.build.gradle.internal.profile.ProfileAwareWorkAction.execute(ProfileAwareWorkAction.kt:74)
at .gradle.workers.internal.DefaultWorkerServer.execute(DefaultWorkerServer.java:63)
at .gradle.workers.internal.NoIsolationWorkerFactory$1$1.create(NoIsolationWorkerFactory.java:66)
at .gradle.workers.internal.NoIsolationWorkerFactory$1$1.create(NoIsolationWorkerFactory.java:62)
at .gradle.internal.classloader.ClassLoaderUtils.executeInClassloader(ClassLoaderUtils.java:100)
at .gradle.workers.internal.NoIsolationWorkerFactory$1.lambda$execute$0(NoIsolationWorkerFactory.java:62)
at .gradle.workers.internal.AbstractWorker$1.call(AbstractWorker.java:44)
at .gradle.workers.internal.AbstractWorker$1.call(AbstractWorker.java:41)
at .gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:204)
at .gradle.internal.operations.DefaultBuildOperationRunner$CallableBuildOperationWorker.execute(DefaultBuildOperationRunner.java:199)
at .gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:66)
at .gradle.internal.operations.DefaultBuildOperationRunner$2.execute(DefaultBuildOperationRunner.java:59)
at .gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:157)
at .gradle.internal.operations.DefaultBuildOperationRunner.execute(DefaultBuildOperationRunner.java:59)
at .gradle.internal.operations.DefaultBuildOperationRunner.call(DefaultBuildOperationRunner.java:53)
at .gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:73)
at .gradle.workers.internal.AbstractWorker.executeWrappedInBuildOperation(AbstractWorker.java:41)
at .gradle.workers.internal.NoIsolationWorkerFactory$1.execute(NoIsolationWorkerFactory.java:59)
at .gradle.workers.internal.DefaultWorkerExecutor.lambda$submitWork$2(DefaultWorkerExecutor.java:205)
at .gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.runExecution(DefaultConditionalExecutionQueue.java:187)
at .gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.access$700(DefaultConditionalExecutionQueue.java:120)
at .gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner$1.run(DefaultConditionalExecutionQueue.java:162)
at .gradle.internal.Factories$1.create(Factories.java:31)
at .gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:249)
at .gradle.internal.work.DefaultWorkerLeaseService.runAsWorkerThread(DefaultWorkerLeaseService.java:109)
at .gradle.internal.work.DefaultWorkerLeaseService.runAsWorkerThread(DefaultWorkerLeaseService.java:114)
at .gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.runBatch(DefaultConditionalExecutionQueue.java:157)
at .gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.run(DefaultConditionalExecutionQueue.java:126)
... 2 more
Caused by: com.android.builder.dexing.DexArchiveBuilderException: Failed to process: /proj/app/build/intermediates/javac/debug/classes
at com.android.build.gradle.internal.dexing.DexWorkActionKt.process(DexWorkAction.kt:179)
at com.android.build.gradle.internal.dexing.DexWorkActionKt.processIncrementally(DexWorkAction.kt:117)
at com.android.build.gradle.internal.dexing.DexWorkActionKt.launchProcessing(DexWorkAction.kt:71)
at com.android.build.gradle.internal.dexing.DexWorkAction.run(DexWorkAction.kt:45)
... 30 more
Caused by: com.android.builder.dexing.DexArchiveBuilderException: Error while dexing.
at com.android.builder.dexing.D8DexArchiveBuilder.getExceptionToRethrow(D8DexArchiveBuilder.java:183)
at com.android.builder.dexing.D8DexArchiveBuilder.convert(D8DexArchiveBuilder.java:122)
at com.android.build.gradle.internal.dexing.DexWorkActionKt.process(DexWorkAction.kt:175)
... 33 more
Caused by: com.android.tools.r8.CompilationFailedException: Compilation failed to complete, origin: /proj/app/build/intermediates/javac/debug/classes/MyClass$MODE.class
at Version.fakeStackEntry(Version_4.0.48.java:0)
at com.android.tools.r8.internal.vk.a(R8_4.0.48_320a4fe2564c68ad8fe4492fea65872bc8f51e21c4d46e3dbac43afcc38d90de:75)
at com.android.tools.r8.internal.vk.a(R8_4.0.48_320a4fe2564c68ad8fe4492fea65872bc8f51e21c4d46e3dbac43afcc38d90de:28)
at com.android.tools.r8.internal.vk.a(R8_4.0.48_320a4fe2564c68ad8fe4492fea65872bc8f51e21c4d46e3dbac43afcc38d90de:27)
at com.android.tools.r8.internal.vk.b(R8_4.0.48_320a4fe2564c68ad8fe4492fea65872bc8f51e21c4d46e3dbac43afcc38d90de:2)
at com.android.tools.r8.D8.run(R8_4.0.48_320a4fe2564c68ad8fe4492fea65872bc8f51e21c4d46e3dbac43afcc38d90de:11)
at com.android.builder.dexing.D8DexArchiveBuilder.convert(D8DexArchiveBuilder.java:120)
... 34 more
Caused by: java.lang.NullPointerException
I don't know the cause of this issue. I used an enum in another class, but I kept getting an error. Even after implementing only the enum in the class, the same error still occurs. How can I fix this issue?