ClassNotFoundException when trying new InstantRun feature of Android Studio 2.0 Preview

[Martin Rajniak]

Hi,
I am trying Instant Run feature in new Android Studio 2.0 Preview and I am getting ClassNotFoundException when trying to build from Studio. 

* What went wrong:

Execution failed for task ':app:transformClassesWithInstantRunForDefaultDebug'.

> java.lang.ClassNotFoundException: com.dropbox.client2.exception.DropboxException

Class that is missing is from external 3rd party library dependency from DropBox for Cloud Management. We depend on plain jar library file.

I wonder if anyone else has seen this behaviour also. It is a shame that we cannot start using Instant Run in our project right away :( It works perfectly on new project. 

[Xavier Ducrohet]

thanks for the report. We'll look into this.

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Xavier Ducrohet
Android SDK Tech Lead
Google Inc.
http://developer.android.com | http://tools.android.com

Please do not send me questions directly. Thanks!

[Martin Rajniak]

I will send Report from Android Studio also, if that helps.

I have tried to debug a little more - even removing the dependency - but then it fails on an inner class interface with the same error. 

This is whole stacktrace:

FAILURE: Build failed with an exception.

* What went wrong:

Execution failed for task ':app:transformClassesWithInstantRunForDevelopmentDebug'.

> java.lang.ClassNotFoundException: com.dropbox.client2.exception.DropboxException

* Try:

Run with --info or --debug option to get more log output.

* Exception is:

org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:transformClassesWithInstantRunForDevelopmentDebug'.

at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:69)

at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)

at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)

at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64)

at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)

at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:52)

at 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(ExecuteAtMostOnceTaskExecuter.java:43)

at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:203)

at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:185)

at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:62)

at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:50)

at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:25)

at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:110)

at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:37)

at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37)

at org.gradle.execution.DefaultBuildExecuter.access$000(DefaultBuildExecuter.java:23)

at org.gradle.execution.DefaultBuildExecuter$1.proceed(DefaultBuildExecuter.java:43)

at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32)

at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37)

at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:30)

at org.gradle.initialization.DefaultGradleLauncher$4.run(DefaultGradleLauncher.java:154)

at org.gradle.internal.Factories$1.create(Factories.java:22)

at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:90)

at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:52)

at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:151)

at org.gradle.initialization.DefaultGradleLauncher.access$200(DefaultGradleLauncher.java:32)

at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:99)

at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:93)

at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:90)

at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:62)

at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:93)

at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:82)

at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:94)

at org.gradle.tooling.internal.provider.runner.BuildModelActionRunner.run(BuildModelActionRunner.java:46)

at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)

at org.gradle.tooling.internal.provider.runner.SubscribableBuildActionRunner.run(SubscribableBuildActionRunner.java:58)

at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)

at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:43)

at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:28)

at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:77)

at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:47)

at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:52)

at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)

at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)

at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:37)

at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)

at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:26)

at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)

at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:34)

at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)

at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:74)

at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:72)

at org.gradle.util.Swapper.swap(Swapper.java:38)

at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:72)

at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)

at org.gradle.launcher.daemon.server.health.DaemonHealthTracker.execute(DaemonHealthTracker.java:47)

at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)

at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:66)

at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)

at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)

at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:71)

at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)

at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)

at org.gradle.launcher.daemon.server.health.HintGCAfterBuild.execute(HintGCAfterBuild.java:41)

at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:120)

at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:50)

at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:246)

at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54)

at org.gradle.internal.concurrent.StoppableExecutorImpl$1.run(StoppableExecutorImpl.java:40)

Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: com.dropbox.client2.exception.DropboxException

at com.android.build.gradle.internal.incremental.IncrementalVisitor$2.getCommonSuperClass(IncrementalVisitor.java:314)

at org.objectweb.asm.ClassWriter.a(Unknown Source)

at org.objectweb.asm.Frame.a(Unknown Source)

at org.objectweb.asm.Frame.a(Unknown Source)

at org.objectweb.asm.MethodWriter.visitMaxs(Unknown Source)

at org.objectweb.asm.commons.LocalVariablesSorter.visitMaxs(Unknown Source)

at org.objectweb.asm.tree.MethodNode.accept(Unknown Source)

at com.android.build.gradle.internal.incremental.IncrementalSupportVisitor.visitMethod(IncrementalSupportVisitor.java:181)

at org.objectweb.asm.tree.MethodNode.accept(Unknown Source)

at org.objectweb.asm.tree.ClassNode.accept(Unknown Source)

at com.android.build.gradle.internal.incremental.IncrementalVisitor.instrumentClass(IncrementalVisitor.java:372)

at com.android.build.gradle.internal.transforms.InstantRunTransform.transformToClasses2Format(InstantRunTransform.java:337)

at com.android.build.gradle.internal.transforms.InstantRunTransform.transform(InstantRunTransform.java:227)

at com.android.build.gradle.internal.pipeline.TransformTask$2.call(TransformTask.java:151)

at com.android.build.gradle.internal.pipeline.TransformTask$2.call(TransformTask.java:148)

at com.android.builder.profile.ThreadRecorder$1.record(ThreadRecorder.java:55)

at com.android.builder.profile.ThreadRecorder$1.record(ThreadRecorder.java:47)

at com.android.build.gradle.internal.pipeline.TransformTask.transform(TransformTask.java:147)

at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:75)

at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$IncrementalTaskAction.doExecute(AnnotationProcessingTaskFactory.java:244)

at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:220)

at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$IncrementalTaskAction.execute(AnnotationProcessingTaskFactory.java:231)

at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:209)

at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)

at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)

... 70 more

[Xavier Ducrohet]

We've identified the problem and the fix will be in the next canary release.

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