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Posted to user@spark.apache.org by Shiyuan <gs...@gmail.com> on 2018/04/02 23:31:04 UTC
Uncaught exception in thread heartbeat-receiver-event-loop-thread
Hi,
I got an error of Uncaught exception in
thread heartbeat-receiver-event-loop-thread. Does this error indicate that
some node is too overloaded to be responsive? Thanks!
ERROR Utils: Uncaught exception in thread
heartbeat-receiver-event-loop-thread
java.lang.NullPointerException
at
org.apache.spark.util.CollectionAccumulator.value(AccumulatorV2.scala:464)
at
org.apache.spark.util.CollectionAccumulator.value(AccumulatorV2.scala:439)
at
org.apache.spark.scheduler.TaskSchedulerImpl$$anonfun$6$$anonfun$7.apply(TaskSchedulerImpl.scala:408)
at
org.apache.spark.scheduler.TaskSchedulerImpl$$anonfun$6$$anonfun$7.apply(TaskSchedulerImpl.scala:408)
at
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
at
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
at scala.collection.Iterator$class.foreach(Iterator.scala:893)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1336)
at
scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
at
scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
at scala.collection.AbstractTraversable.map(Traversable.scala:104)
at
org.apache.spark.scheduler.TaskSchedulerImpl$$anonfun$6.apply(TaskSchedulerImpl.scala:408)
at
org.apache.spark.scheduler.TaskSchedulerImpl$$anonfun$6.apply(TaskSchedulerImpl.scala:407)
at
scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:241)
at
scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:241)
at
scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
at
scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
at
scala.collection.TraversableLike$class.flatMap(TraversableLike.scala:241)
at
scala.collection.mutable.ArrayOps$ofRef.flatMap(ArrayOps.scala:186)
at
org.apache.spark.scheduler.TaskSchedulerImpl.executorHeartbeatReceived(TaskSchedulerImpl.scala:407)
at
org.apache.spark.HeartbeatReceiver$$anonfun$receiveAndReply$1$$anon$2$$anonfun$run$2.apply$mcV$sp(HeartbeatReceiver.scala:129)
at
org.apache.spark.util.Utils$.tryLogNonFatalError(Utils.scala:1295)
at
org.apache.spark.HeartbeatReceiver$$anonfun$receiveAndReply$1$$anon$2.run(HeartbeatReceiver.scala:128)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Re: Uncaught exception in thread
heartbeat-receiver-event-loop-thread
Posted by ccherng <cc...@snapchat.com>.
And reading through the comments in that issue
https://issues.apache.org/jira/browse/SPARK-20977 it looks like it was just
ignored but marked resolved.
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Re: Uncaught exception in thread
heartbeat-receiver-event-loop-thread
Posted by ccherng <cc...@snapchat.com>.
I have also encountered the NullPointerException in CollectionAccumulator. It
looks like there was an issue filed for this
https://issues.apache.org/jira/browse/SPARK-20977.
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