Android Gradle CompilationFailedException

I am compiling with latest Android N preview sdk. Using gradle 2.11. When I try to deploy the app, this compilation error occurs:

org.gradle.api.tasks.TaskExecutionException: Execution failed for task ‘:app:compileDebugJavaWithJavac’.
21:19:45.030 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:69)
21:19:45.031 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)
21:19:45.031 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)
21:19:45.031 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64)
21:19:45.031 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
21:19:45.031 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:52)
21:19:45.031 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
21:19:45.031 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)
21:19:45.031 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
21:19:45.032 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:203)
21:19:45.032 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:185)
21:19:45.032 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:66)
21:19:45.032 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:50)
21:19:45.032 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:25)
21:19:45.032 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:110)
21:19:45.032 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:37)
21:19:45.032 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37)
21:19:45.032 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.DefaultBuildExecuter.access$000(DefaultBuildExecuter.java:23)
21:19:45.033 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.DefaultBuildExecuter$1.proceed(DefaultBuildExecuter.java:43)
21:19:45.033 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32)
21:19:45.033 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37)
21:19:45.033 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:30)
21:19:45.033 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.initialization.DefaultGradleLauncher$4.run(DefaultGradleLauncher.java:154)
21:19:45.033 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.internal.Factories$1.create(Factories.java:22)
21:19:45.033 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:90)
21:19:45.033 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:52)
21:19:45.033 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:151)
21:19:45.033 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.initialization.DefaultGradleLauncher.access$200(DefaultGradleLauncher.java:32)
21:19:45.033 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:99)
21:19:45.034 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:93)
21:19:45.034 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:90)
21:19:45.034 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:62)
21:19:45.034 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:93)
21:19:45.034 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:82)
21:19:45.034 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:94)
21:19:45.034 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:28)
21:19:45.034 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
21:19:45.034 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:43)
21:19:45.034 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:28)
21:19:45.034 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:75)
21:19:45.035 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:45)
21:19:45.035 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.exec.DaemonUsageSuggestingBuildActionExecuter.execute(DaemonUsageSuggestingBuildActionExecuter.java:51)
21:19:45.035 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.exec.DaemonUsageSuggestingBuildActionExecuter.execute(DaemonUsageSuggestingBuildActionExecuter.java:28)
21:19:45.035 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:43)
21:19:45.035 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:170)
21:19:45.035 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:237)
21:19:45.035 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:210)
21:19:45.035 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:35)
21:19:45.035 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:24)
21:19:45.035 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:206)
21:19:45.035 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:169)
21:19:45.035 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33)
21:19:45.036 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22)
21:19:45.036 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.Main.doAction(Main.java:33)
21:19:45.036 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45)
21:19:45.036 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:54)
21:19:45.036 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:35)
21:19:45.036 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.launcher.GradleMain.main(GradleMain.java:23)
21:19:45.036 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:33)
21:19:45.036 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:130)
21:19:45.036 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:48)
21:19:45.036 [ERROR] [org.gradle.BuildExceptionReporter] Caused by: org.gradle.api.internal.tasks.compile.CompilationFailedException: Compilation failed; see the compiler error output for details.
21:19:45.037 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.compile.JdkJavaCompiler.execute(JdkJavaCompiler.java:47)
21:19:45.037 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.compile.JdkJavaCompiler.execute(JdkJavaCompiler.java:33)
21:19:45.037 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.delegateAndHandleErrors(NormalizingJavaCompiler.java:103)
21:19:45.037 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:52)
21:19:45.037 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:38)
21:19:45.037 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.compile.CleaningJavaCompilerSupport.execute(CleaningJavaCompilerSupport.java:34)
21:19:45.037 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.compile.CleaningJavaCompilerSupport.execute(CleaningJavaCompilerSupport.java:25)
21:19:45.037 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.tasks.compile.JavaCompile.performCompilation(JavaCompile.java:157)
21:19:45.037 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.tasks.compile.JavaCompile.compile(JavaCompile.java:139)
21:19:45.038 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.tasks.compile.JavaCompile.compile(JavaCompile.java:93)
21:19:45.038 [ERROR] [org.gradle.BuildExceptionReporter] at com.android.build.gradle.tasks.factory.AndroidJavaCompile.compile(AndroidJavaCompile.java:49)
21:19:45.038 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:75)
21:19:45.038 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$IncrementalTaskAction.doExecute(AnnotationProcessingTaskFactory.java:244)
21:19:45.038 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:220)
21:19:45.038 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$IncrementalTaskAction.execute(AnnotationProcessingTaskFactory.java:231)
21:19:45.038 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:209)
21:19:45.038 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)
21:19:45.039 [ERROR] [org.gradle.BuildExceptionReporter] at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)

Any ideas why this is happening?

You’ll have to look at the compilation errors to see what’s wrong.

No, this is a gradle build error. Has nothing to do with code compilation errors.

The error message clearly says “compilation failed”. So unless you provide more context (like log output or an example project), there is no way to help.