"NotSerializableException: java.io.PrintWriter" related to TaskHistory

The following build file will fail with ‘unexpected internal error’:

apply plugin: 'java'
  task wrapper(type: Wrapper) {
 gradleVersion = '1.7-rc-1'
}
  processResources {
 def props = [
  'key': 'value'
 ]
 inputs.property 'foo', props
    // necessary to trigger exception
 filesMatching '**/*.txt', { expand props }
 }

(You also need to create some txt file in ‘src/main/resources’ - otherwise ‘processResources’ will always be UP-TO-DATE.)

The error message:

:compileJava UP-TO-DATE
:processResources
  FAILURE: Build aborted because of an internal error.
  * What went wrong:
Build aborted because of an unexpected internal error. Please file an issue at: http://forums.gradle.org.
  * Try:
Run with --debug option to get additional debug info.
  * Exception is:
org.gradle.api.UncheckedIOException: Could not add entry ':processResources' to cache taskArtifacts.bin ([..]/.gradle/1.7-rc-1/taskArtifacts/taskArtifacts.bin).
 at org.gradle.cache.internal.btree.BTreePersistentIndexedCache.put(BTreePersistentIndexedCache.java:152)
 at org.gradle.cache.internal.MultiProcessSafePersistentIndexedCache$2.run(MultiProcessSafePersistentIndexedCache.java:53)
 at org.gradle.cache.internal.DefaultFileLockManager$DefaultFileLock.doWriteAction(DefaultFileLockManager.java:199)
 at org.gradle.cache.internal.DefaultFileLockManager$DefaultFileLock.writeFile(DefaultFileLockManager.java:188)
 at org.gradle.cache.internal.DefaultCacheAccess$UnitOfWorkFileAccess.writeFile(DefaultCacheAccess.java:365)
 at org.gradle.cache.internal.MultiProcessSafePersistentIndexedCache.put(MultiProcessSafePersistentIndexedCache.java:51)
 at sun.reflect.GeneratedMethodAccessor32.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606)
 at org.gradle.listener.LazyCreationProxy$LazyInvocationHandler.invoke(LazyCreationProxy.java:49)
 at com.sun.proxy.$Proxy23.put(Unknown Source)
 at org.gradle.api.internal.changedetection.state.CacheBackedTaskHistoryRepository$1$1.run(CacheBackedTaskHistoryRepository.java:79)
 at org.gradle.internal.Factories$1.create(Factories.java:22)
 at org.gradle.cache.internal.DefaultCacheAccess.useCache(DefaultCacheAccess.java:143)
 at org.gradle.cache.internal.DefaultCacheAccess.useCache(DefaultCacheAccess.java:131)
 at org.gradle.cache.internal.DefaultPersistentDirectoryStore.useCache(DefaultPersistentDirectoryStore.java:134)
 at org.gradle.api.internal.changedetection.state.DefaultTaskArtifactStateCacheAccess.useCache(DefaultTaskArtifactStateCacheAccess.java:74)
 at org.gradle.api.internal.changedetection.state.CacheBackedTaskHistoryRepository$1.update(CacheBackedTaskHistoryRepository.java:62)
 at org.gradle.api.internal.changedetection.changes.DefaultTaskArtifactStateRepository$TaskArtifactStateImpl.afterTask(DefaultTaskArtifactStateRepository.java:118)
 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:286)
 at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.executeTask(AbstractTaskPlanExecutor.java:86)
 at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:72)
 at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.executeTaskWithCacheLock(AbstractTaskPlanExecutor.java:64)
 at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:54)
 at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$1.run(DefaultTaskPlanExecutor.java:34)
 at org.gradle.internal.Factories$1.create(Factories.java:22)
 at org.gradle.cache.internal.DefaultCacheAccess.longRunningOperation(DefaultCacheAccess.java:214)
 at org.gradle.cache.internal.DefaultCacheAccess.longRunningOperation(DefaultCacheAccess.java:276)
 at org.gradle.cache.internal.DefaultPersistentDirectoryStore.longRunningOperation(DefaultPersistentDirectoryStore.java:142)
 at org.gradle.api.internal.changedetection.state.DefaultTaskArtifactStateCacheAccess.longRunningOperation(DefaultTaskArtifactStateCacheAccess.java:78)
 at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:32)
 at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:89)
 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.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:45)
 at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
 at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
 at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:42)
 at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
 at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:24)
 at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
 at org.gradle.launcher.daemon.server.exec.StartStopIfBuildAndStop.execute(StartStopIfBuildAndStop.java:33)
 at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
 at org.gradle.launcher.daemon.server.exec.ReturnResult.execute(ReturnResult.java:34)
 at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
 at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:70)
 at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:68)
 at org.gradle.util.Swapper.swap(Swapper.java:38)
 at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:68)
 at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
 at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:60)
 at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
 at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
 at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:59)
 at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
 at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
 at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:45)
 at org.gradle.launcher.daemon.server.DaemonStateCoordinator.runCommand(DaemonStateCoordinator.java:186)
 at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy.doBuild(StartBuildOrRespondWithBusy.java:49)
 at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
 at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
 at org.gradle.launcher.daemon.server.exec.HandleStop.execute(HandleStop.java:36)
 at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
 at org.gradle.launcher.daemon.server.exec.CatchAndForwardDaemonFailure.execute(CatchAndForwardDaemonFailure.java:32)
 at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
 at org.gradle.launcher.daemon.server.exec.DefaultDaemonCommandExecuter.executeCommand(DefaultDaemonCommandExecuter.java:48)
 at org.gradle.launcher.daemon.server.DefaultIncomingConnectionHandler$ConnectionWorker.handleCommand(DefaultIncomingConnectionHandler.java:155)
 at org.gradle.launcher.daemon.server.DefaultIncomingConnectionHandler$ConnectionWorker.receiveAndHandleCommand(DefaultIncomingConnectionHandler.java:128)
 at org.gradle.launcher.daemon.server.DefaultIncomingConnectionHandler$ConnectionWorker.run(DefaultIncomingConnectionHandler.java:116)
 at org.gradle.internal.concurrent.DefaultExecutorFactory$StoppableExecutorImpl$1.run(DefaultExecutorFactory.java:66)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
 at java.lang.Thread.run(Thread.java:724)
Caused by: java.io.NotSerializableException: java.io.PrintWriter
 at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1181)
 at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:347)
 at java.util.HashMap.writeObject(HashMap.java:1100)
 at sun.reflect.GeneratedMethodAccessor86.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606)
 at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
 at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1493)
 at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1429)
 at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1175)
 at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:347)
 at java.util.HashMap.writeObject(HashMap.java:1100)
 at sun.reflect.GeneratedMethodAccessor86.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606)
 at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
 at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1493)
 at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1429)
 at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1175)
 at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:347)
 at org.gradle.messaging.serialize.DefaultSerializer.write(DefaultSerializer.java:51)
 at org.gradle.api.internal.changedetection.state.CacheBackedTaskHistoryRepository$LazyTaskExecution$Serializer.write(CacheBackedTaskHistoryRepository.java:266)
 at org.gradle.api.internal.changedetection.state.CacheBackedTaskHistoryRepository$TaskHistorySerializer.write(CacheBackedTaskHistoryRepository.java:156)
 at org.gradle.api.internal.changedetection.state.CacheBackedTaskHistoryRepository$TaskHistorySerializer.write(CacheBackedTaskHistoryRepository.java:134)
 at org.gradle.messaging.serialize.DataStreamBackedSerializer.write(DataStreamBackedSerializer.java:29)
 at org.gradle.cache.internal.btree.BTreePersistentIndexedCache$DataBlock.setValue(BTreePersistentIndexedCache.java:648)
 at org.gradle.cache.internal.btree.BTreePersistentIndexedCache$DataBlock.useNewValue(BTreePersistentIndexedCache.java:683)
 at org.gradle.cache.internal.btree.BTreePersistentIndexedCache.put(BTreePersistentIndexedCache.java:140)
 ... 90 more
    BUILD FAILED

Not sure if that is a regression since ‘filesMatching’ was added in 1.7.