I'm getting the following stack trace after upgrading to 1.11. All works fine in 1.10.
The task that fails is a GradleBuild task that wraps and import for my ant build.xml. The task runs correctly if I remove all references to outputs.dir or outputs.file in the GradleBuild task configuration block. I can try and create a test case that can reproduce this if necessary. There are no tasks called 'Help' int the build.gradle or build.xml. I will try and figure out if there is something else in the build.xml causing the failure. - Casey McGinty * What went wrong: A problem occurred configuring root project 'src'. > Could not create task of type 'Help'. * Try: Run with --info or --debug option to get more log output. * Exception is: org.gradle.api.ProjectConfigurationException: A problem occurred configuring root project 'src'. at org.gradle.configuration.project.LifecycleProjectEvaluator.addConfigurationFailure(LifecycleProjectEvaluator.java:79) at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:57) at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:507) at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:82) at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:31) at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:142) at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:113) at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:81) at org.gradle.api.tasks.GradleBuild.build(GradleBuild.java:116) at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:63) at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.doExecute(AnnotationProcessingTaskFactory.java:219) at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:212) at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:201) at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:533) at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:516) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61) at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46) at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35) at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64) at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58) at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:42) at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52) at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53) at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43) at org.gradle.api.internal.AbstractTask.executeWithoutThrowingTaskFailure(AbstractTask.java:289) at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.executeTask(AbstractTaskPlanExecutor.java:79) at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:63) at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:51) at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:23) at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:86) at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:29) at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:61) at org.gradle.execution.DefaultBuildExecuter.access$200(DefaultBuildExecuter.java:23) at org.gradle.execution.DefaultBuildExecuter$2.proceed(DefaultBuildExecuter.java:67) at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32) at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:61) at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:54) at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:166) at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:113) at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:81) at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:64) at org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:33) at org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:24) at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:35) at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:26) at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:50) at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:171) at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:201) at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:174) at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:170) at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:139) at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33) at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22) at org.gradle.launcher.Main.doAction(Main.java:46) at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45) at org.gradle.launcher.Main.main(Main.java:37) at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:50) at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:32) at org.gradle.launcher.GradleMain.main(GradleMain.java:23) at org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:30) at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:127) at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:58) Caused by: org.gradle.api.tasks.TaskInstantiationException: Could not create task of type 'Help'. at org.gradle.api.internal.project.taskfactory.TaskFactory$1.call(TaskFactory.java:126) at org.gradle.api.internal.project.taskfactory.TaskFactory$1.call(TaskFactory.java:121) at org.gradle.api.internal.AbstractTask.injectIntoNewInstance(AbstractTask.java:148) at org.gradle.api.internal.project.taskfactory.TaskFactory.createTaskObject(TaskFactory.java:121) at org.gradle.api.internal.project.taskfactory.TaskFactory.createTask(TaskFactory.java:81) at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory.createTask(AnnotationProcessingTaskFactory.java:99) at org.gradle.api.internal.project.taskfactory.DependencyAutoWireTaskFactory.createTask(DependencyAutoWireTaskFactory.java:39) at org.gradle.api.internal.tasks.DefaultTaskContainer.create(DefaultTaskContainer.java:53) at org.gradle.api.internal.tasks.DefaultTaskContainer.create(DefaultTaskContainer.java:85) at org.gradle.api.tasks.TaskContainer$create.call(Unknown Source) at org.gradle.api.plugins.HelpTasksPlugin.apply(HelpTasksPlugin.groovy:31) at org.gradle.api.plugins.HelpTasksPlugin.apply(HelpTasksPlugin.groovy) at org.gradle.api.internal.plugins.DefaultPluginContainer.providePlugin(DefaultPluginContainer.java:104) at org.gradle.api.internal.plugins.DefaultPluginContainer.addPluginInternal(DefaultPluginContainer.java:68) at org.gradle.api.internal.plugins.DefaultPluginContainer.apply(DefaultPluginContainer.java:34) at org.gradle.api.plugins.internal.HelpTasksAutoApplyAction.execute(HelpTasksAutoApplyAction.java:24) at org.gradle.api.plugins.internal.HelpTasksAutoApplyAction.execute(HelpTasksAutoApplyAction.java:22) at org.gradle.configuration.project.PluginsProjectConfigureActions.execute(PluginsProjectConfigureActions.java:31) at org.gradle.configuration.project.PluginsProjectConfigureActions.execute(PluginsProjectConfigureActions.java:22) at org.gradle.configuration.project.ConfigureActionsProjectEvaluator.evaluate(ConfigureActionsProjectEvaluator.java:34) at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:55) ... 61 more Caused by: org.gradle.internal.service.ServiceCreationException: Could not create service of type TaskArtifactStateRepository using TaskExecutionServices.createTaskArtifactStateRepository(). at org.gradle.internal.service.DefaultServiceRegistry$FactoryMethodService.invokeMethod(DefaultServiceRegistry.java:634) at org.gradle.internal.service.DefaultServiceRegistry$FactoryService.create(DefaultServiceRegistry.java:588) at org.gradle.internal.service.DefaultServiceRegistry$ManagedObjectProvider.getInstance(DefaultServiceRegistry.java:430) at org.gradle.internal.service.DefaultServiceRegistry$SingletonService.get(DefaultServiceRegistry.java:470) at org.gradle.internal.service.DefaultServiceRegistry$FactoryService.assembleParameters(DefaultServiceRegistry.java:598) at org.gradle.internal.service.DefaultServiceRegistry$FactoryService.create(DefaultServiceRegistry.java:587) at org.gradle.internal.service.DefaultServiceRegistry$ManagedObjectProvider.getInstance(DefaultServiceRegistry.java:430) at org.gradle.internal.service.DefaultServiceRegistry$SingletonService.get(DefaultServiceRegistry.java:470) at org.gradle.internal.service.DefaultServiceRegistry.doGet(DefaultServiceRegistry.java:291) at org.gradle.internal.service.DefaultServiceRegistry.get(DefaultServiceRegistry.java:279) at org.gradle.internal.service.DefaultServiceRegistry$ParentServices.getService(DefaultServiceRegistry.java:842) at org.gradle.internal.service.DefaultServiceRegistry$CompositeProvider.getService(DefaultServiceRegistry.java:787) at org.gradle.internal.service.DefaultServiceRegistry$CompositeProvider.getService(DefaultServiceRegistry.java:787) at org.gradle.internal.service.DefaultServiceRegistry$DefaultLookupContext.find(DefaultServiceRegistry.java:977) at org.gradle.internal.service.DefaultServiceRegistry.doGet(DefaultServiceRegistry.java:289) at org.gradle.internal.service.DefaultServiceRegistry.get(DefaultServiceRegistry.java:279) at org.gradle.internal.service.DefaultServiceRegistry$ParentServices.getService(DefaultServiceRegistry.java:842) at org.gradle.internal.service.DefaultServiceRegistry$CompositeProvider.getService(DefaultServiceRegistry.java:787) at org.gradle.internal.service.DefaultServiceRegistry$CompositeProvider.getService(DefaultServiceRegistry.java:787) at org.gradle.internal.service.DefaultServiceRegistry$DefaultLookupContext.find(DefaultServiceRegistry.java:977) at org.gradle.internal.service.DefaultServiceRegistry.doGet(DefaultServiceRegistry.java:289) at org.gradle.internal.service.DefaultServiceRegistry.get(DefaultServiceRegistry.java:275) at org.gradle.api.internal.AbstractTask.<init>(AbstractTask.java:133) at org.gradle.api.internal.AbstractTask.<init>(AbstractTask.java:106) at org.gradle.api.DefaultTask.<init>(DefaultTask.java:29) at org.gradle.configuration.Help.<init>(Help.java:30) at org.gradle.configuration.Help_Decorated.<init>(Unknown Source) at org.gradle.api.internal.DependencyInjectingInstantiator.newInstance(DependencyInjectingInstantiator.java:62) at org.gradle.api.internal.ClassGeneratorBackedInstantiator.newInstance(ClassGeneratorBackedInstantiator.java:36) at org.gradle.api.internal.project.taskfactory.TaskFactory$1.call(TaskFactory.java:124) ... 81 more Caused by: java.lang.IllegalStateException: Operation stack is empty. at org.gradle.cache.internal.cacheops.CacheOperationStack.checkNotEmpty(CacheOperationStack.java:67) at org.gradle.cache.internal.cacheops.CacheOperationStack.getDescription(CacheOperationStack.java:26) at org.gradle.cache.internal.cacheops.CacheAccessOperationsStack.getDescription(CacheAccessOperationsStack.java:57) at org.gradle.cache.internal.DefaultCacheAccess.newCache(DefaultCacheAccess.java:327) at org.gradle.cache.internal.DefaultCacheAccess.newCache(DefaultCacheAccess.java:42) at org.gradle.cache.internal.DefaultPersistentDirectoryStore.createCache(DefaultPersistentDirectoryStore.java:94) at org.gradle.cache.internal.DefaultCacheFactory$ReferenceTrackingCache.createCache(DefaultCacheFactory.java:173) at org.gradle.api.internal.changedetection.state.DefaultTaskArtifactStateCacheAccess.createCache(DefaultTaskArtifactStateCacheAccess.java:50) at org.gradle.api.internal.hash.CachingHasher.<init>(CachingHasher.java:33) at org.gradle.internal.service.scopes.TaskExecutionServices.createTaskArtifactStateRepository(TaskExecutionServices.java:64) at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:63) at org.gradle.internal.service.DefaultServiceRegistry.invoke(DefaultServiceRegistry.java:319) at org.gradle.internal.service.DefaultServiceRegistry.access$1200(DefaultServiceRegistry.java:53) at org.gradle.internal.service.DefaultServiceRegistry$FactoryMethodService.invokeMethod(DefaultServiceRegistry.java:632) ... 110 more