Android Studio项目构建在启动时失败 - Null指针异常

问题描述 投票:-1回答:2

我在Android Studio ver 2.2启动时以及尝试构建项目时收到以下错误。提前致谢。

错误:FAILURE:构建因异常而失败。

  • 出了什么问题:java.lang.NullPointerException(没有错误消息)
  • 尝试:使用--info或--debug选项运行以获取更多日志输出。
  • 例外情况是:org.gradle.api。在内的org.gradle.api.internal.changedetection.state.TreeSnapshotRepository.removeTreeSnapshotUsage(TreeSnapshotRepository.java:85)中的java.lang.NullPointerException位于org.gradle.api.internal.changedetection.state.CacheBackedFileSnapshotRepository.remove(CacheBackedFileSnapshotRepository。 java:47)atg.gradle.api.internal.changedetection.state.CacheBackedTaskHistoryRepository $ 1 $ 1.run(CacheBackedTaskHistoryRepository.java:81)org.gradle.internal.Factories $ 1.create(Factories.java:22)at org。 gradle.cache.internal.DefaultCacheAccess.useCache(DefaultCacheAccess.java:192)atg.gradle.cache.internal.DefaultCacheAccess.useCache(DefaultCacheAccess.java:175)org.gradle.cache.internal.DefaultPersistentDirectoryStore.useCache(DefaultPersistentDirectoryStore。 java:106)org.gradle.cache.internal.DefaultCacheFactory $ ReferenceTrackingCache.useCache(DefaultCacheFactory.java:187)at org.gradle.api.internal.changedetection.state.DefaultTaskArtifactStateCacheAccess.useCache(DefaultTaskA) rtifactStateCacheAccess.java:60)org.gradle.api.internal.changedetection.state.CacheBackedTaskHistoryRepository $ 1.update(CacheBackedTaskHistoryRepository.java:66)at org.gradle.api.internal.changedetection.changes.DefaultTaskArtifactStateRepository $ TaskArtifactStateImpl.afterTask(DefaultTaskArtifactStateRepository .java:135)org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:68)at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58 )org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:52)org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)at org。 gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskE) xecuter.java:43)org.gradle.execution.taskgraph.DefaultTaskGraphExecuter $ EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:203)org.gradle.execution.taskgraph.DefaultTaskGraphExecuter $ EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:185)at org .gradle.execution.taskgraph.Abs​​tractTaskPlanExecutor $ TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:66)org.gradle.execution.taskgraph.Abs​​tractTaskPlanExecutor $ TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:50)at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor 。org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:110)中的.process(DefaultTaskPlanExecutor.java:25)位于org.gradle的org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:37)。执行.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37)org.gradle.execution.DefaultBuildExecuter.access $ 000(DefaultBuildExecuter.java:23)org.gradle.execution.Defa ulgBuildExecuter $ 1.proceed(DefaultBuildExecuter.java:43)org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32)位于org.gradle的org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37)。执行.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:30)org.gradle.initialization.DefaultGradleLauncher $ 4.run(DefaultGradleLauncher.java:153)atg.gradle.internal.Factories $ 1.create(Factories.java:22)at org位于org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java)的org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:53)中的.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:91) :150)org.gradle.initialization.DefaultGradleLauncher.access $ 200(DefaultGradleLauncher.java:32)org.gradle.initialization.DefaultGradleLauncher $ 1.create(DefaultGradleLauncher.java:98)at org.gradle.initialization.DefaultGradl eLauncher $ 1.create(DefaultGradleLauncher.java:92)org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:91)org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:63)at at Org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:92)org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:83)at org.gradle.launcher.exec.InProcessBuildActionExecuter $ DefaultBuildController.run(InProcessBuildActionExecuter。 java:99)在org.gradle的org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)的org.gradle.tooling.internal.provider.runner.BuildModelActionRunner.run(BuildModelActionRunner.java:46) org.gradle.launcher.exec.In上的org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)中的.tooling.internal.provider.runner.SubscribableBuildActionRunner.run(SubscribableBuildActionRunner.java:58) ProcessGildActionExecuter.execute(InProcessBuildActionExecuter.java:48)org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:30)atg.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:81)at org orgra.gradle.launcher.daemon.server上的org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:52)中的.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:46)位于org.gradle.launcher.daemon.server.catch.Datchconnection的org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)上的.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)位于org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.exe的org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)上的.execute(WatchForDisconnection.java:37)(ResetDeprecationLogger) .java:26)在org.gradle.laun cher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)位于org.gradle.launcher.daemon的org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:34)。服务器.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)位于org.gradle.launcher.daemon.server.exec的org.gradle.launcher.daemon.server.exec.ForwardClientInput $ 2.call(ForwardClientInput.java:74) .ForwardClientInput $ 2.call(ForwardClientInput.java:72)org.gradle.util.Swapper.swap(Swapper.java:38)org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java: 72)org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)org.gradle.launcher.daemon.server.health.DaemonHealthTracker.execute(DaemonHealthTracker.java:47)at org orgra.gradle.launcher.daemon.server.exe中的.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120) c.LogToClient.doBuild(LogToClient.java:60)位于org.gradle.launcher.daemon.server.ape.DaemonCommandExecution的org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)。继续(DaemonCommandExecution.java:120)org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:72)org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly。 java:36)org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)at org.gradle.launcher.daemon.server.health.HintGCAfterBuild.execute(HintGCAfterBuild.java:41)在org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy $ 1.run(StartBuildOrRespondWithBusy.java:50)at org。在org.gradle.internal.concurrent.Exec的gradle.launcher.daemon.server.DaemonStateCoordinator $ 1.run(DaemonStateCoordinator.java:237) utorPolicy $ CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54)at org.gradle.internal.concurrent.StoppableExecutorImpl $ 1.run(StoppableExecutorImpl.java:40)
java android android-studio nullpointerexception
2个回答
0
投票

尝试其中一个。 1.(在顶栏上)Build-> Clean Project 2. Build-> Rebuild Project 3. File-> Invalidate Caches


0
投票

您可以尝试此Gradle命令:

./gradlew assembledebug --info --stacktrace --

或检查this answer

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