[SPARK-26152] Synchronize Worker Cleanup with Worker Shutdown - ASF JIRA

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Type: Bug
Status: Resolved
Priority: Critical
Resolution: Fixed
Affects Version/s: 2.4.0, 2.4.1, 2.4.2, 2.4.3, 3.0.0
Fix Version/s: 2.4.4, 3.0.0
Component/s: Spark Core
Labels:
None

Description

https://amplab.cs.berkeley.edu/jenkins/view/Spark%20QA%20Test%20(Dashboard)/job/spark-master-test-maven-hadoop-2.7/5627 (2018-11-16)

BroadcastSuite:
- Using TorrentBroadcast locally
- Accessing TorrentBroadcast variables from multiple threads
- Accessing TorrentBroadcast variables in a local cluster (encryption = off)
java.util.concurrent.RejectedExecutionException: Task scala.concurrent.impl.CallbackRunnable@59428a1 rejected from java.util.concurrent.ThreadPoolExecutor@4096a677[Shutting down, pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 0]
	at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2047)
	at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:823)
	at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1369)
	at java.util.concurrent.Executors$DelegatedExecutorService.execute(Executors.java:668)
	at scala.concurrent.impl.ExecutionContextImpl$$anon$1.execute(ExecutionContextImpl.scala:134)
	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:68)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1$adapted(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:284)
	at scala.concurrent.Promise.complete(Promise.scala:49)
	at scala.concurrent.Promise.complete$(Promise.scala:48)
	at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:183)
	at scala.concurrent.impl.Promise.$anonfun$transform$1(Promise.scala:29)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:60)
	at scala.concurrent.BatchingExecutor$Batch.processBatch$1(BatchingExecutor.scala:63)
	at scala.concurrent.BatchingExecutor$Batch.$anonfun$run$1(BatchingExecutor.scala:78)
	at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
	at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:81)
	at scala.concurrent.BatchingExecutor$Batch.run(BatchingExecutor.scala:55)
	at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:870)
	at scala.concurrent.BatchingExecutor.execute(BatchingExecutor.scala:106)
	at scala.concurrent.BatchingExecutor.execute$(BatchingExecutor.scala:103)
	at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:868)
	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:68)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1$adapted(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:284)
	at scala.concurrent.Promise.complete(Promise.scala:49)
	at scala.concurrent.Promise.complete$(Promise.scala:48)
	at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:183)
	at scala.concurrent.impl.Promise.$anonfun$transform$1(Promise.scala:29)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:60)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
java.util.concurrent.RejectedExecutionException: Task scala.concurrent.impl.CallbackRunnable@40a5bf17 rejected from java.util.concurrent.ThreadPoolExecutor@5a73967[Shutting down, pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 0]
	at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2047)
	at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:823)
	at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1369)
	at java.util.concurrent.Executors$DelegatedExecutorService.execute(Executors.java:668)
	at scala.concurrent.impl.ExecutionContextImpl$$anon$1.execute(ExecutionContextImpl.scala:134)
	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:68)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1$adapted(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:284)
	at scala.concurrent.Promise.complete(Promise.scala:49)
	at scala.concurrent.Promise.complete$(Promise.scala:48)
	at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:183)
	at scala.concurrent.impl.Promise.$anonfun$transform$1(Promise.scala:29)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:60)
	at scala.concurrent.BatchingExecutor$Batch.processBatch$1(BatchingExecutor.scala:63)
	at scala.concurrent.BatchingExecutor$Batch.$anonfun$run$1(BatchingExecutor.scala:78)
	at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
	at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:81)
	at scala.concurrent.BatchingExecutor$Batch.run(BatchingExecutor.scala:55)
	at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:870)
	at scala.concurrent.BatchingExecutor.execute(BatchingExecutor.scala:106)
	at scala.concurrent.BatchingExecutor.execute$(BatchingExecutor.scala:103)
	at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:868)
	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:68)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1$adapted(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:284)
	at scala.concurrent.Promise.complete(Promise.scala:49)
	at scala.concurrent.Promise.complete$(Promise.scala:48)
	at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:183)
	at scala.concurrent.impl.Promise.$anonfun$transform$1(Promise.scala:29)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:60)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
java.util.concurrent.RejectedExecutionException: Task scala.concurrent.impl.CallbackRunnable@7072dd4f rejected from java.util.concurrent.ThreadPoolExecutor@35705d25[Shutting down, pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 0]
	at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2047)
	at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:823)
	at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1369)
	at java.util.concurrent.Executors$DelegatedExecutorService.execute(Executors.java:668)
	at scala.concurrent.impl.ExecutionContextImpl$$anon$1.execute(ExecutionContextImpl.scala:134)
	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:68)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1$adapted(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:284)
	at scala.concurrent.Promise.complete(Promise.scala:49)
	at scala.concurrent.Promise.complete$(Promise.scala:48)
	at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:183)
	at scala.concurrent.impl.Promise.$anonfun$transform$1(Promise.scala:29)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:60)
	at scala.concurrent.BatchingExecutor$Batch.processBatch$1(BatchingExecutor.scala:63)
	at scala.concurrent.BatchingExecutor$Batch.$anonfun$run$1(BatchingExecutor.scala:78)
	at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
	at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:81)
	at scala.concurrent.BatchingExecutor$Batch.run(BatchingExecutor.scala:55)
	at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:870)
	at scala.concurrent.BatchingExecutor.execute(BatchingExecutor.scala:106)
	at scala.concurrent.BatchingExecutor.execute$(BatchingExecutor.scala:103)
	at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:868)
	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:68)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1$adapted(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:284)
	at scala.concurrent.Promise.complete(Promise.scala:49)
	at scala.concurrent.Promise.complete$(Promise.scala:48)
	at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:183)
	at scala.concurrent.impl.Promise.$anonfun$transform$1(Promise.scala:29)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:60)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Exception in thread "RemoteBlock-temp-file-clean-thread" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "dispatcher-event-loop-5" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "dispatcher-event-loop-12" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "dispatcher-event-loop-4" Exception in thread "dispatcher-event-loop-9" java.lang.OutOfMemoryError: GC overhead limit exceeded
java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "dispatcher-event-loop-6" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "dispatcher-event-loop-12" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "dispatcher-event-loop-11" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "dispatcher-event-loop-13" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "dispatcher-event-loop-27" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "netty-rpc-env-timeout" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "Timer-1568" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "dispatcher-event-loop-17" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "Spark Context Cleaner" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "dispatcher-event-loop-16" java.lang.OutOfMemoryError: GC overhead limit exceeded
Exception in thread "stop-spark-context" java.lang.OutOfMemoryError: GC overhead limit exceeded
*** RUN ABORTED ***
  java.lang.OutOfMemoryError: GC overhead limit exceeded
  ...

https://amplab.cs.berkeley.edu/jenkins/view/Spark%20QA%20Test%20(Dashboard)/job/spark-master-test-maven-hadoop-2.7/5645/

BroadcastSuite:
- Using TorrentBroadcast locally
- Accessing TorrentBroadcast variables from multiple threads
- Accessing TorrentBroadcast variables in a local cluster (encryption = off) *** FAILED ***
  org.apache.spark.SparkException: Job aborted due to stage failure: Task 1 in stage 0.0 failed 4 times, most recent failure: Lost task 1.3 in stage 0.0 (TID 7, localhost, executor 1): java.io.IOException: org.apache.spark.SparkException: Failed to get broadcast_1_piece0 of broadcast_1
	at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1333)
	at org.apache.spark.broadcast.TorrentBroadcast.readBroadcastBlock(TorrentBroadcast.scala:208)
	at org.apache.spark.broadcast.TorrentBroadcast._value$lzycompute(TorrentBroadcast.scala:66)
	at org.apache.spark.broadcast.TorrentBroadcast._value(TorrentBroadcast.scala:66)
	at org.apache.spark.broadcast.TorrentBroadcast.getValue(TorrentBroadcast.scala:96)
	at org.apache.spark.broadcast.Broadcast.value(Broadcast.scala:70)
	at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:84)
	at org.apache.spark.scheduler.Task.run(Task.scala:121)
	at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:425)
	at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1360)
	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:428)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.spark.SparkException: Failed to get broadcast_1_piece0 of broadcast_1
	at org.apache.spark.broadcast.TorrentBroadcast.$anonfun$readBlocks$1(TorrentBroadcast.scala:179)
	at scala.runtime.java8.JFunction1$mcVI$sp.apply(JFunction1$mcVI$sp.java:12)
	at scala.collection.immutable.List.foreach(List.scala:388)
	at org.apache.spark.broadcast.TorrentBroadcast.readBlocks(TorrentBroadcast.scala:151)
	at org.apache.spark.broadcast.TorrentBroadcast.$anonfun$readBroadcastBlock$3(TorrentBroadcast.scala:231)
	at scala.Option.getOrElse(Option.scala:121)
	at org.apache.spark.broadcast.TorrentBroadcast.$anonfun$readBroadcastBlock$1(TorrentBroadcast.scala:211)
	at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1326)
	... 13 more

Driver stacktrace:
  at org.apache.spark.scheduler.DAGScheduler.failJobAndIndependentStages(DAGScheduler.scala:1926)
  at org.apache.spark.scheduler.DAGScheduler.$anonfun$abortStage$2(DAGScheduler.scala:1914)
  at org.apache.spark.scheduler.DAGScheduler.$anonfun$abortStage$2$adapted(DAGScheduler.scala:1913)
  at scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:58)
  at scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:51)
  at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
  at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1913)
  at org.apache.spark.scheduler.DAGScheduler.$anonfun$handleTaskSetFailed$1(DAGScheduler.scala:929)
  at org.apache.spark.scheduler.DAGScheduler.$anonfun$handleTaskSetFailed$1$adapted(DAGScheduler.scala:929)
  at scala.Option.foreach(Option.scala:257)
  ...
  Cause: java.io.IOException: org.apache.spark.SparkException: Failed to get broadcast_1_piece0 of broadcast_1
  at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1333)
  at org.apache.spark.broadcast.TorrentBroadcast.readBroadcastBlock(TorrentBroadcast.scala:208)
  at org.apache.spark.broadcast.TorrentBroadcast._value$lzycompute(TorrentBroadcast.scala:66)
  at org.apache.spark.broadcast.TorrentBroadcast._value(TorrentBroadcast.scala:66)
  at org.apache.spark.broadcast.TorrentBroadcast.getValue(TorrentBroadcast.scala:96)
  at org.apache.spark.broadcast.Broadcast.value(Broadcast.scala:70)
  at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:84)
  at org.apache.spark.scheduler.Task.run(Task.scala:121)
  at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:425)
  at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1360)
  ...
  Cause: org.apache.spark.SparkException: Failed to get broadcast_1_piece0 of broadcast_1
  at org.apache.spark.broadcast.TorrentBroadcast.$anonfun$readBlocks$1(TorrentBroadcast.scala:179)
  at scala.runtime.java8.JFunction1$mcVI$sp.apply(JFunction1$mcVI$sp.java:12)
  at scala.collection.immutable.List.foreach(List.scala:388)
  at org.apache.spark.broadcast.TorrentBroadcast.readBlocks(TorrentBroadcast.scala:151)
  at org.apache.spark.broadcast.TorrentBroadcast.$anonfun$readBroadcastBlock$3(TorrentBroadcast.scala:231)
  at scala.Option.getOrElse(Option.scala:121)
  at org.apache.spark.broadcast.TorrentBroadcast.$anonfun$readBroadcastBlock$1(TorrentBroadcast.scala:211)
  at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1326)
  at org.apache.spark.broadcast.TorrentBroadcast.readBroadcastBlock(TorrentBroadcast.scala:208)
  at org.apache.spark.broadcast.TorrentBroadcast._value$lzycompute(TorrentBroadcast.scala:66)
  ...
java.util.concurrent.RejectedExecutionException: Task scala.concurrent.impl.CallbackRunnable@68c6a53e rejected from java.util.concurrent.ThreadPoolExecutor@2dc42642[Shutting down, pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 0]
	at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2047)
	at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:823)
	at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1369)
	at java.util.concurrent.Executors$DelegatedExecutorService.execute(Executors.java:668)
	at scala.concurrent.impl.ExecutionContextImpl$$anon$1.execute(ExecutionContextImpl.scala:134)
	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:68)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1$adapted(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:284)
	at scala.concurrent.Promise.complete(Promise.scala:49)
	at scala.concurrent.Promise.complete$(Promise.scala:48)
	at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:183)
	at scala.concurrent.impl.Promise.$anonfun$transform$1(Promise.scala:29)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:60)
	at scala.concurrent.BatchingExecutor$Batch.processBatch$1(BatchingExecutor.scala:63)
	at scala.concurrent.BatchingExecutor$Batch.$anonfun$run$1(BatchingExecutor.scala:78)
	at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
	at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:81)
	at scala.concurrent.BatchingExecutor$Batch.run(BatchingExecutor.scala:55)
	at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:870)
	at scala.concurrent.BatchingExecutor.execute(BatchingExecutor.scala:106)
	at scala.concurrent.BatchingExecutor.execute$(BatchingExecutor.scala:103)
	at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:868)
	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:68)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1$adapted(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:284)
	at scala.concurrent.Promise.complete(Promise.scala:49)
	at scala.concurrent.Promise.complete$(Promise.scala:48)
	at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:183)
	at scala.concurrent.impl.Promise.$anonfun$transform$1(Promise.scala:29)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:60)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
java.util.concurrent.RejectedExecutionException: Task scala.concurrent.impl.CallbackRunnable@7e69ed97 rejected from java.util.concurrent.ThreadPoolExecutor@3b6b7c3e[Shutting down, pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 0]
	at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2047)
	at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:823)
	at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1369)
	at java.util.concurrent.Executors$DelegatedExecutorService.execute(Executors.java:668)
	at scala.concurrent.impl.ExecutionContextImpl$$anon$1.execute(ExecutionContextImpl.scala:134)
	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:68)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1$adapted(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:284)
	at scala.concurrent.Promise.complete(Promise.scala:49)
	at scala.concurrent.Promise.complete$(Promise.scala:48)
	at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:183)
	at scala.concurrent.impl.Promise.$anonfun$transform$1(Promise.scala:29)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:60)
	at scala.concurrent.BatchingExecutor$Batch.processBatch$1(BatchingExecutor.scala:63)
	at scala.concurrent.BatchingExecutor$Batch.$anonfun$run$1(BatchingExecutor.scala:78)
	at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
	at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:81)
	at scala.concurrent.BatchingExecutor$Batch.run(BatchingExecutor.scala:55)
	at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:870)
	at scala.concurrent.BatchingExecutor.execute(BatchingExecutor.scala:106)
	at scala.concurrent.BatchingExecutor.execute$(BatchingExecutor.scala:103)
	at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:868)
	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:68)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1$adapted(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:284)
	at scala.concurrent.Promise.complete(Promise.scala:49)
	at scala.concurrent.Promise.complete$(Promise.scala:48)
	at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:183)
	at scala.concurrent.impl.Promise.$anonfun$transform$1(Promise.scala:29)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:60)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
java.util.concurrent.RejectedExecutionException: Task scala.concurrent.impl.CallbackRunnable@2e07a335 rejected from java.util.concurrent.ThreadPoolExecutor@6b052891[Shutting down, pool size = 1, active threads = 1, queued tasks = 0, completed tasks = 0]
	at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2047)
	at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:823)
	at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1369)
	at java.util.concurrent.Executors$DelegatedExecutorService.execute(Executors.java:668)
	at scala.concurrent.impl.ExecutionContextImpl$$anon$1.execute(ExecutionContextImpl.scala:134)
	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:68)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1$adapted(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:284)
	at scala.concurrent.Promise.complete(Promise.scala:49)
	at scala.concurrent.Promise.complete$(Promise.scala:48)
	at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:183)
	at scala.concurrent.impl.Promise.$anonfun$transform$1(Promise.scala:29)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:60)
	at scala.concurrent.BatchingExecutor$Batch.processBatch$1(BatchingExecutor.scala:63)
	at scala.concurrent.BatchingExecutor$Batch.$anonfun$run$1(BatchingExecutor.scala:78)
	at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
	at scala.concurrent.BlockContext$.withBlockContext(BlockContext.scala:81)
	at scala.concurrent.BatchingExecutor$Batch.run(BatchingExecutor.scala:55)
	at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:870)
	at scala.concurrent.BatchingExecutor.execute(BatchingExecutor.scala:106)
	at scala.concurrent.BatchingExecutor.execute$(BatchingExecutor.scala:103)
	at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:868)
	at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:68)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.$anonfun$tryComplete$1$adapted(Promise.scala:284)
	at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:284)
	at scala.concurrent.Promise.complete(Promise.scala:49)
	at scala.concurrent.Promise.complete$(Promise.scala:48)
	at scala.concurrent.impl.Promise$DefaultPromise.complete(Promise.scala:183)
	at scala.concurrent.impl.Promise.$anonfun$transform$1(Promise.scala:29)
	at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:60)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
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- Accessing TorrentBroadcast variables in a local cluster (encryption = on) *** FAILED ***
  org.apache.spark.SparkException: Job 0 cancelled as part of cancellation of all jobs
...