title: Gradle build error: org.gradle.buildexceptionreporter Gradle version used 2.14.1
body: <pre><code>Error:11:25:12.400 [ERROR] [org.gradle.BuildExceptionReporter] 
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter] **FAILURE: Build failed with an exception.**
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter] 
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter] * **What went wrong:**
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter] **java.lang.NullPointerException (no error message)**
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter] 
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter] *** Exception is:**
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter] **java.lang.NullPointerException**
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.api.internal.changedetection.state.TreeSnapshotRepository.removeTreeSnapshotUsage(TreeSnapshotRepository.java:85)
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.api.internal.changedetection.state.CacheBackedFileSnapshotRepository.remove(CacheBackedFileSnapshotRepository.java:47)
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.api.internal.changedetection.state.CacheBackedTaskHistoryRepository$1$1.run(CacheBackedTaskHistoryRepository.java:84)
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.internal.Factories$1.create(Factories.java:22)
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.cache.internal.DefaultCacheAccess.useCache(DefaultCacheAccess.java:192)
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.cache.internal.DefaultCacheAccess.useCache(DefaultCacheAccess.java:175)
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.cache.internal.DefaultPersistentDirectoryStore.useCache(DefaultPersistentDirectoryStore.java:106)
  11:25:12.401 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.cache.internal.DefaultCacheFactory$ReferenceTrackingCache.useCache(DefaultCacheFactory.java:187)
  11:25:12.402 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.api.internal.changedetection.state.DefaultTaskArtifactStateCacheAccess.useCache(DefaultTaskArtifactStateCacheAccess.java:60)
  11:25:12.402 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.api.internal.changedetection.state.CacheBackedTaskHistoryRepository$1.update(CacheBackedTaskHistoryRepository.java:66)
  11:25:12.402 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.api.internal.changedetection.changes.DefaultTaskArtifactStateRepository$TaskArtifactStateImpl.afterTask(DefaultTaskArtifactStateRepository.java:135)
  11:25:12.402 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:68)
  11:25:12.402 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
  11:25:12.402 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:52)
  11:25:12.402 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
  11:25:12.402 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)
  11:25:12.402 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
  11:25:12.402 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:203)
  11:25:12.402 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:185)
  11:25:12.402 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:66)
  11:25:12.402 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:50)
  11:25:12.402 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54)
  11:25:12.403 [ERROR] [org.gradle.BuildExceptionReporter]    at org.gradle.internal.concurrent.StoppableExecutorImpl$1.run(StoppableExecutorImpl.java:40)
  11:25:12.403 [ERROR] [org.gradle.BuildExceptionReporter] 
  </code></pre>