title: Exception is: org.gradle.api.tasks.TaskExecutionException: Execution failed for task :app:compileDebugJavaWithJavac
body: <p>I was working ok, and after add Gson and some code with asynctask
  I got it when I want to Run my App.</p>
  
  <pre><code>Information:Gradle tasks [:app:assembleDebug]
  :app:preBuild UP-TO-DATE
  :app:preDebugBuild UP-TO-DATE
  :app:checkDebugManifest
  :app:preReleaseBuild UP-TO-DATE
  :app:prepareComAndroidSupportAppcompatV72221Library UP-TO-DATE
  :app:prepareComAndroidSupportDesign2221Library UP-TO-DATE
  :app:prepareComAndroidSupportSupportV42221Library UP-TO-DATE
  :app:prepareDebugDependencies
  :app:compileDebugAidl UP-TO-DATE
  :app:compileDebugRenderscript UP-TO-DATE
  :app:generateDebugBuildConfig UP-TO-DATE
  :app:generateDebugAssets UP-TO-DATE
  :app:mergeDebugAssets UP-TO-DATE
  :app:generateDebugResValues UP-TO-DATE
  :app:generateDebugResources UP-TO-DATE
  :app:mergeDebugResources UP-TO-DATE
  :app:processDebugManifest UP-TO-DATE
  :app:processDebugResources UP-TO-DATE
  :app:generateDebugSources UP-TO-DATE
  :app:compileDebugJavaWithJavac FAILED
  FAILURE: Build failed with an exception.
  * Exception is:
  org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:compileDebugJavaWithJavac'.
      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)
  Error:java.lang.RuntimeException: java.lang.ClassCastException: com.sun.tools.javac.code.Type cannot be cast to javax.lang.model.type.DeclaredType
  Possible causes for this unexpected error include:&lt;ul&gt;&lt;li&gt;Gradle's dependency cache may be corrupt (this sometimes occurs after a network connection timeout.)
  &lt;a href="syncProject"&gt;Re-download dependencies and sync project (requires network)&lt;/a&gt;&lt;/li&gt;&lt;li&gt;The state of a Gradle build process (daemon) may be corrupt. Stopping all Gradle daemons may solve this problem.
  &lt;a href="stopGradleDaemons"&gt;Stop Gradle build processes (requires restart)&lt;/a&gt;&lt;/li&gt;&lt;li&gt;Your project may be using a third-party plugin which is not compatible with the other plugins in the project or the version of Gradle requested by the project.&lt;/li&gt;&lt;/ul&gt;In the case of corrupt Gradle processes, you can also try closing the IDE and then killing all Java processes.
      at com.sun.tools.javac.main.Main.compile(Main.java:469)
      at com.sun.tools.javac.api.JavacTaskImpl.call(JavacTaskImpl.java:132)
      at org.gradle.api.internal.tasks.compile.JdkJavaCompiler.execute(JdkJavaCompiler.java:45)
      at org.gradle.api.internal.tasks.compile.JdkJavaCompiler.execute(JdkJavaCompiler.java:33)
      at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.delegateAndHandleErrors(NormalizingJavaCompiler.java:101)
      at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:50)
      at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:36)
      at org.gradle.api.internal.tasks.compile.CleaningJavaCompilerSupport.execute(CleaningJavaCompilerSupport.java:34)
      at org.gradle.api.internal.tasks.compile.CleaningJavaCompilerSupport.execute(CleaningJavaCompilerSupport.java:25)
      at org.gradle.api.tasks.compile.JavaCompile.performCompilation(JavaCompile.java:157)
      at org.gradle.api.tasks.compile.JavaCompile.compile(JavaCompile.java:139)
      at org.gradle.api.tasks.compile.JavaCompile.compile(JavaCompile.java:93)
      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
  Error:java.lang.ClassCastException: com.sun.tools.javac.code.Type cannot be cast to javax.lang.model.type.DeclaredType
  Possible causes for this unexpected error include:&lt;ul&gt;&lt;li&gt;Gradle's dependency cache may be corrupt (this sometimes occurs after a network connection timeout.)
  &lt;a href="syncProject"&gt;Re-download dependencies and sync project (requires network)&lt;/a&gt;&lt;/li&gt;&lt;li&gt;The state of a Gradle build process (daemon) may be corrupt. Stopping all Gradle daemons may solve this problem.
  &lt;a href="stopGradleDaemons"&gt;Stop Gradle build processes (requires restart)&lt;/a&gt;&lt;/li&gt;&lt;li&gt;Your project may be using a third-party plugin which is not compatible with the other plugins in the project or the version of Gradle requested by the project.&lt;/li&gt;&lt;/ul&gt;In the case of corrupt Gradle processes, you can also try closing the IDE and then killing all Java processes.
      at com.google.inject.blender.GuiceAnnotationProcessor.addMethodOrConstructorToAnnotationDatabase(GuiceAnnotationProcessor.java:170)
      at com.google.inject.blender.GuiceAnnotationProcessor.process(GuiceAnnotationProcessor.java:93)
      at com.sun.tools.javac.processing.JavacProcessingEnvironment.callProcessor(JavacProcessingEnvironment.java:793)
      at com.sun.tools.javac.processing.JavacProcessingEnvironment.discoverAndRunProcs(JavacProcessingEnvironment.java:722)
      at com.sun.tools.javac.processing.JavacProcessingEnvironment.access$1700(JavacProcessingEnvironment.java:97)
      at com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.run(JavacProcessingEnvironment.java:1029)
      at com.sun.tools.javac.processing.JavacProcessingEnvironment.doProcessing(JavacProcessingEnvironment.java:1163)
      at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1108)
      at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:824)
      at com.sun.tools.javac.main.Main.compile(Main.java:439)
      ... 88 more
  Information:BUILD FAILED
  Information:Total time: 1.699 secs
  Information:2 errors
  Information:0 warnings
  Information:See complete output in console
  </code></pre>
  
  <p>this is my build.gradle file</p>
  
  <pre><code>apply plugin: 'com.android.application'
  
  android {
      compileSdkVersion 22
      buildToolsVersion "23.0.1"
  
      defaultConfig {
          applicationId "xxxx.yyyy"
          minSdkVersion 16
          targetSdkVersion 22
          versionCode 1
          versionName "1.0"
      }
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
          }
      }
  }
  
  dependencies {
      compile fileTree(dir: 'libs', include: ['*.jar'])
      testCompile 'junit:junit:4.12'
      provided 'org.roboguice:roboblender:3.+'
      compile 'com.android.support:appcompat-v7:22.2.1'
      compile 'com.android.support:design:22.2.1'
      compile 'org.roboguice:roboguice:3.+'
      compile 'com.android.support:support-v4:22.2.1'
      compile 'com.google.code.gson:gson:2.5'
  
  }
  </code></pre>