Gar*_*ert 3 gradlew android-studio android-gradle-plugin android-r8
当我点击 Android Studio 中的调试图标时，我从 R8 中得到了这个 NullPointerException。
Executing tasks: [:app:assembleDebug] in project /Users/gary/Developer/Foo/Foo-Android
> Task :app:preBuild UP-TO-DATE
> Task :app:preDebugBuild UP-TO-DATE
> Task :app:checkDebugManifest UP-TO-DATE
> Task :app:generateDebugBuildConfig UP-TO-DATE
> Task :app:compileDebugAidl NO-SOURCE
> Task :app:compileDebugRenderscript NO-SOURCE
> Task :app:mainApkListPersistenceDebug
> Task :app:generateDebugResValues
> Task :app:generateDebugResources
> Task :app:createDebugCompatibleScreenManifests
> Task :app:processDebugManifest
> Task :app:mergeDebugResources
> Task :app:processDebugResources
> Task :app:kaptGenerateStubsDebugKotlin
> Task :app:kaptDebugKotlin
w: [kapt] Incremental annotation processing requested, but support is disabled because the following processors are not incremental: androidx.room.RoomProcessor (NON_INCREMENTAL).
> Task :app:compileDebugKotlin
w: /Users/gary/Developer/Foo/Foo-Android/app/src/main/java/com/foo/restapis/LoggingInterceptor.kt: (38, 49): 'create(MediaType?, String): ResponseBody' is deprecated. Moved to extension function. Put the 'content' argument first to fix Java
w: /Users/gary/Developer/Foo/Foo-Android/app/src/main/java/com/Foo/screens/player/PlayerActivity.kt: (132, 33): 'getRunningServices(Int): (Mutable)List<ActivityManager.RunningServiceInfo!>!' is deprecated. Deprecated in Java
w: /Users/gary/Developer/Foo/Foo-Android/app/src/main/java/com/foo/service/KKAudioPlayer.kt: (205, 35): 'setNotificationListener(PlayerNotificationManager.NotificationListener!): Unit' is deprecated. Deprecated in Java
w: /Users/gary/Developer/Foo/Foo-Android/app/src/main/java/com/foo/service/KKAudioPlayer.kt: (283, 32): 'ExtractorMediaSource' is deprecated. Deprecated in Java
w: /Users/gary/Developer/Foo/Foo-Android/app/src/main/java/com/foo/service/KKAudioPlayer.kt: (283, 53): 'Factory' is deprecated. Deprecated in Java
w: /Users/gary/Developer/Foo/Foo-Android/app/src/main/java/com/foo/service/KKAudioPlayer.kt: (293, 17): 'ExtractorMediaSource' is deprecated. Deprecated in Java
w: /Users/gary/Developer/Foo/Foo-Android/app/src/main/java/com/foo/service/KKAudioPlayer.kt: (293, 38): 'Factory' is deprecated. Deprecated in Java
w: /Users/gary/Developer/Foo/Foo-Android/app/src/main/java/com/foo/service/KKAudioPlayer.kt: (295, 21): 'ExtractorMediaSource' is deprecated. Deprecated in Java
w: /Users/gary/Developer/Foo/Foo-Android/app/src/main/java/com/foo/service/KKAudioPlayer.kt: (295, 42): 'Factory' is deprecated. Deprecated in Java
> Task :app:mergeDebugShaders
> Task :app:compileDebugShaders
> Task :app:generateDebugAssets
> Task :app:mergeDebugAssets
> Task :app:javaPreCompileDebug
> Task :app:compileDebugJavaWithJavac
> Task :app:compileDebugSources
> Task :app:processDebugJavaRes NO-SOURCE
> Task :app:validateSigningDebug
> Task :app:checkDebugDuplicateClasses
> Task :app:transformClassesWithProfilers-transformForDebug
> Task :app:mergeDebugJavaResource
> Task :app:transformClassesWithDexBuilderForDebug FAILED
org.gradle.workers.WorkerExecutionException: There was a failure while executing work items
at org.gradle.workers.internal.DefaultWorkerExecutor.workerExecutionException(DefaultWorkerExecutor.java:158)
at org.gradle.workers.internal.DefaultWorkerExecutor.await(DefaultWorkerExecutor.java:152)
at com.android.build.gradle.internal.transforms.DexArchiveBuilderTransform.transform(DexArchiveBuilderTransform.java:424)
at com.android.build.gradle.internal.pipeline.TransformTask$2.call(TransformTask.java:239)
at com.android.build.gradle.internal.pipeline.TransformTask$2.call(TransformTask.java:235)
at com.android.builder.profile.ThreadRecorder.record(ThreadRecorder.java:106)
at com.android.build.gradle.internal.pipeline.TransformTask.transform(TransformTask.java:230)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:103)
at org.gradle.api.internal.project.taskfactory.IncrementalTaskInputsTaskAction.doExecute(IncrementalTaskInputsTaskAction.java:46)
at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:41)
at org.gradle.api.internal.project.taskfactory.AbstractIncrementalTaskAction.execute(AbstractIncrementalTaskAction.java:25)
at org.gradle.api.internal.project.taskfactory.StandardTaskAction.execute(StandardTaskAction.java:28)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$5.run(ExecuteActionsTaskExecuter.java:404)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:402)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:394)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$1.execute(DefaultBuildOperationExecutor.java:165)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:250)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:158)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:92)
at org.gradle.internal.operations.DelegatingBuildOperationExecutor.run(DelegatingBuildOperationExecutor.java:31)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:393)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:376)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.access$200(ExecuteActionsTaskExecuter.java:80)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$TaskExecution.execute(ExecuteActionsTaskExecuter.java:213)
at org.gradle.internal.execution.steps.ExecuteStep.lambda$execute$0(ExecuteStep.java:32)
at java.util.Optional.map(Optional.java:215)
at org.gradle.internal.execution.steps.ExecuteStep.execute(ExecuteStep.java:32)
at org.gradle.internal.execution.steps.ExecuteStep.execute(ExecuteStep.java:26)
at org.gradle.internal.execution.steps.CleanupOutputsStep.execute(CleanupOutputsStep.java:58)
at org.gradle.internal.execution.steps.CleanupOutputsStep.execute(CleanupOutputsStep.java:35)
at org.gradle.internal.execution.steps.ResolveInputChangesStep.execute(ResolveInputChangesStep.java:48)
at org.gradle.internal.execution.steps.ResolveInputChangesStep.execute(ResolveInputChangesStep.java:33)
at org.gradle.internal.execution.steps.CancelExecutionStep.execute(CancelExecutionStep.java:39)
at org.gradle.internal.execution.steps.TimeoutStep.executeWithoutTimeout(TimeoutStep.java:73)
at org.gradle.internal.execution.steps.TimeoutStep.execute(TimeoutStep.java:54)
at org.gradle.internal.execution.steps.CatchExceptionStep.execute(CatchExceptionStep.java:35)
at org.gradle.internal.execution.steps.CreateOutputsStep.execute(CreateOutputsStep.java:51)
at org.gradle.internal.execution.steps.SnapshotOutputsStep.execute(SnapshotOutputsStep.java:45)
at org.gradle.internal.execution.steps.SnapshotOutputsStep.execute(SnapshotOutputsStep.java:31)
at org.gradle.internal.execution.steps.CacheStep.executeWithoutCache(CacheStep.java:201)
at org.gradle.internal.execution.steps.CacheStep.execute(CacheStep.java:70)
at org.gradle.internal.execution.steps.CacheStep.execute(CacheStep.java:45)
at org.gradle.internal.execution.steps.BroadcastChangingOutputsStep.execute(BroadcastChangingOutputsStep.java:49)
at org.gradle.internal.execution.steps.StoreSnapshotsStep.execute(StoreSnapshotsStep.java:43)
at org.gradle.internal.execution.steps.StoreSnapshotsStep.execute(StoreSnapshotsStep.java:32)
at org.gradle.internal.execution.steps.RecordOutputsStep.execute(RecordOutputsStep.java:38)
at org.gradle.internal.execution.steps.RecordOutputsStep.execute(RecordOutputsStep.java:24)
at org.gradle.internal.execution.steps.SkipUpToDateStep.executeBecause(SkipUpToDateStep.java:96)
at org.gradle.internal.execution.steps.SkipUpToDateStep.lambda$execute$0(SkipUpToDateStep.java:89)
at java.util.Optional.map(Optional.java:215)
at org.gradle.internal.execution.steps.SkipUpToDateStep.execute(SkipUpToDateStep.java:54)
at org.gradle.internal.execution.steps.SkipUpToDateStep.execute(SkipUpToDateStep.java:38)
at org.gradle.internal.execution.steps.ResolveChangesStep.execute(ResolveChangesStep.java:77)
at org.gradle.internal.execution.steps.ResolveChangesStep.execute(ResolveChangesStep.java:37)
at org.gradle.internal.execution.steps.legacy.MarkSnapshottingInputsFinishedStep.execute(MarkSnapshottingInputsFinishedStep.java:36)
at org.gradle.internal.execution.steps.legacy.MarkSnapshottingInputsFinishedStep.execute(MarkSnapshottingInputsFinishedStep.java:26)
at org.gradle.internal.execution.steps.ResolveCachingStateStep.execute(ResolveCachingStateStep.java:90)
at org.gradle.internal.execution.steps.ResolveCachingStateStep.execute(ResolveCachingStateStep.java:48)
at org.gradle.internal.execution.impl.DefaultWorkExecutor.execute(DefaultWorkExecutor.java:33)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:120)
at org.gradle.api.internal.tasks.execution.ResolveBeforeExecutionStateTaskExecuter.execute(ResolveBeforeExecutionStateTaskExecuter.java:75)
at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:62)
at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:108)
at org.gradle.api.internal.tasks.execution.ResolveBeforeExecutionOutputsTaskExecuter.execute(ResolveBeforeExecutionOutputsTaskExecuter.java:67)
at org.gradle.api.internal.tasks.execution.ResolveAfterPreviousExecutionStateTaskExecuter.execute(ResolveAfterPreviousExecutionStateTaskExecuter.java:46)
at org.gradle.api.internal.tasks.execution.CleanupStaleOutputsExecuter.execute(CleanupStaleOutputsExecuter.java:94)
at org.gradle.api.internal.tasks.execution.FinalizePropertiesTaskExecuter.execute(FinalizePropertiesTaskExecuter.java:46)
at org.gradle.api.internal.tasks.execution.ResolveTaskExecutionModeExecuter.execute(ResolveTaskExecutionModeExecuter.java:95)
at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:57)
at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:56)
at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:36)
at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.executeTask(EventFiringTaskExecuter.java:73)
at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:52)
at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter$1.call(EventFiringTaskExecuter.java:49)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:416)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:406)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$1.execute(DefaultBuildOperationExecutor.java:165)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:250)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:158)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:102)
at org.gradle.internal.operations.DelegatingBuildOperationExecutor.call(DelegatingBuildOperationExecutor.java:36)
at org.gradle.api.internal.tasks.execution.EventFiringTaskExecuter.execute(EventFiringTaskExecuter.java:49)
at org.gradle.execution.plan.LocalTaskNodeExecutor.execute(LocalTaskNodeExecutor.java:43)
at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:355)
at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$InvokeNodeExecutorsAction.execute(DefaultTaskExecutionGraph.java:343)
at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:336)
at org.gradle.execution.taskgraph.DefaultTaskExecutionGraph$BuildOperationAwareExecutionAction.execute(DefaultTaskExecutionGraph.java:322)
at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker$1.execute(DefaultPlanExecutor.java:134)
at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker$1.execute(DefaultPlanExecutor.java:129)
at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.execute(DefaultPlanExecutor.java:202)
at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.executeNextNode(DefaultPlanExecutor.java:193)
at org.gradle.execution.plan.DefaultPlanExecutor$ExecutorWorker.run(DefaultPlanExecutor.java:129)
at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.gradle.workers.internal.DefaultWorkerExecutor$WorkExecutionException: A failure occurred while executing com.android.build.gradle.internal.transforms.DexArchiveBuilderTransform$DexConversionWorkAction
at org.gradle.workers.internal.DefaultWorkerExecutor$WorkerExecution.waitForCompletion(DefaultWorkerExecutor.java:285)
at org.gradle.internal.work.DefaultAsyncWorkTracker.waitForItemsAndGatherFailures(DefaultAsyncWorkTracker.java:115)
at org.gradle.internal.work.DefaultAsyncWorkTracker.waitForCompletion(DefaultAsyncWorkTracker.java:87)
at org.gradle.workers.internal.DefaultWorkerExecutor.await(DefaultWorkerExecutor.java:150)
... 100 more
Caused by: org.gradle.tooling.BuildException: Failed to process /Users/gary/Developer/Foo/Foo-Android/app/build/intermediates/transforms/profilers-transform/debug/29.jar
at com.android.build.gradle.internal.transforms.DexArchiveBuilderTransform$DexConversionWorkAction.run(DexArchiveBuilderTransform.java:705)
at org.gradle.workers.internal.DefaultWorkerServer.execute(DefaultWorkerServer.java:39)
at org.gradle.workers.internal.NoIsolationWorkerFactory$1$1.execute(NoIsolationWorkerFactory.java:61)
at org.gradle.workers.internal.AbstractWorker$1.call(AbstractWorker.java:44)
at org.gradle.workers.internal.AbstractWorker$1.call(AbstractWorker.java:41)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:416)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:406)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$1.execute(DefaultBuildOperationExecutor.java:165)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:250)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:158)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:102)
at org.gradle.internal.operations.DelegatingBuildOperationExecutor.call(DelegatingBuildOperationExecutor.java:36)
at org.gradle.workers.internal.AbstractWorker.executeWrappedInBuildOperation(AbstractWorker.java:41)
at org.gradle.workers.internal.NoIsolationWorkerFactory$1.execute(NoIsolationWorkerFactory.java:55)
at org.gradle.workers.internal.DefaultWorkerExecutor$1.call(DefaultWorkerExecutor.java:105)
at org.gradle.workers.internal.DefaultWorkerExecutor$1.call(DefaultWorkerExecutor.java:99)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.runExecution(DefaultConditionalExecutionQueue.java:215)
at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.runBatch(DefaultConditionalExecutionQueue.java:164)
at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.run(DefaultConditionalExecutionQueue.java:131)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
... 6 more
Caused by: com.android.builder.dexing.DexArchiveBuilderException: Failed to process /Users/gary/Developer/Foo/Foo-Android/app/build/intermediates/transforms/profilers-transform/debug/29.jar
at com.android.build.gradle.internal.transforms.DexArchiveBuilderTransform.launchProcessing(DexArchiveBuilderTransform.java:910)
at com.android.build.gradle.internal.transforms.DexArchiveBuilderTransform.access$600(DexArchiveBuilderTransform.java:114)
at com.android.build.gradle.internal.transforms.DexArchiveBuilderTransform$DexConversionWorkAction.run(DexArchiveBuilderTransform.java:697)
... 27 more
Caused by: com.android.builder.dexing.DexArchiveBuilderException: Error while dexing.
at com.android.builder.dexing.D8DexArchiveBuilder.getExceptionToRethrow(D8DexArchiveBuilder.java:124)
at com.android.builder.dexing.D8DexArchiveBuilder.convert(D8DexArchiveBuilder.java:101)
at com.android.build.gradle.internal.transforms.DexArchiveBuilderTransform.launchProcessing(DexArchiveBuilderTransform.java:905)
... 29 more
Caused by: java.lang.NullPointerException
at com.android.tools.r8.ir.conversion.N.b(:988)
at com.android.tools.r8.ir.conversion.N.buildPrelude(:149)
at com.android.tools.r8.ir.conversion.IRBuilder.a(:51)
at com.android.tools.r8.graph.JarCode.a(:16)
at com.android.tools.r8.graph.JarCode.b(:69)
at com.android.tools.r8.graph.JarCode.buildIR(:1)
at com.android.tools.r8.graph.DexEncodedMethod.buildIR(:2)
at com.android.tools.r8.ir.conversion.IRConverter.b(:215)
at com.android.tools.r8.ir.conversion.IRConverter.b(:37)
at com.android.tools.r8.ir.conversion.IRConverter.a(:49)
at com.android.tools.r8.graph.DexClass.forEachMethod(:2)
at com.android.tools.r8.ir.conversion.IRConverter.b(:28)
at com.android.tools.r8.ir.conversion.IRConverter.d(:8)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at com.google.common.util.concurrent.TrustedListenableFutureTask$TrustedFutureInterruptibleTask.runInterruptibly(TrustedListenableFutureTask.java:125)
at com.google.common.util.concurrent.InterruptibleTask.run(InterruptibleTask.java:57)
at com.google.common.util.concurrent.TrustedListenableFutureTask.run(TrustedListenableFutureTask.java:78)
at com.google.common.util.concurrent.MoreExecutors$DirectExecutorService.execute(MoreExecutors.java:261)
at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
at com.google
作为答案发布，因为我无权发表评论：
如果您仅在构建到 Lollipop 或 Marshmallow 设备时才看到 R8 Nullpointerexception 以上的内容，那么禁用高级分析对我来说很有效。
所有功劳都归功于安东尼奥梅林！谢谢！
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