Github user javadba commented on the pull request:
https://github.com/apache/spark/pull/1586#issuecomment-50951491
BTW I am seeing testing errors in core for MapOutputTracker involving OOME.
I had to restart testing a few times already. This is not anything to do with
the code of this PR, just trying to do overall regrssion testing but failing in
unrelated tests. Oh. it just failed again:
ClosureCleanerSuite:
- closures inside an object *** FAILED ***
org.apache.spark.SparkException: Error communicating with
MapOutputTracker
at
org.apache.spark.MapOutputTracker.askTracker(MapOutputTracker.scala:111)
at
org.apache.spark.MapOutputTracker.sendTracker(MapOutputTracker.scala:117)
at
org.apache.spark.MapOutputTrackerMaster.stop(MapOutputTracker.scala:324)
at org.apache.spark.SparkEnv.stop(SparkEnv.scala:83)
at org.apache.spark.SparkContext.stop(SparkContext.scala:1003)
at
org.apache.spark.LocalSparkContext$.stop(LocalSparkContext.scala:50)
at
org.apache.spark.LocalSparkContext$.withSpark(LocalSparkContext.scala:61)
at org.apache.spark.util.TestObject$.run(ClosureCleanerSuite.scala:76)
at
org.apache.spark.util.ClosureCleanerSuite$$anonfun$1.apply$mcV$sp(ClosureCleanerSuite.scala:27)
at
org.apache.spark.util.ClosureCleanerSuite$$anonfun$1.apply(ClosureCleanerSuite.scala:27)
...
Cause: akka.pattern.AskTimeoutException:
Recipient[Actor[akka://spark/user/MapOutputTracker#221210107]] had already been
terminated.
at akka.pattern.AskableActorRef$.ask$extension(AskSupport.scala:134)
at
org.apache.spark.MapOutputTracker.askTracker(MapOutputTracker.scala:106)
at
org.apache.spark.MapOutputTracker.sendTracker(MapOutputTracker.scala:117)
at
org.apache.spark.MapOutputTrackerMaster.stop(MapOutputTracker.scala:324)
at org.apache.spark.SparkEnv.stop(SparkEnv.scala:83)
at org.apache.spark.SparkContext.stop(SparkContext.scala:1003)
at
org.apache.spark.LocalSparkContext$.stop(LocalSparkContext.scala:50)
at
org.apache.spark.LocalSparkContext$.withSpark(LocalSparkContext.scala:61)
at org.apache.spark.util.TestObject$.run(ClosureCleanerSuite.scala:76)
at
org.apache.spark.util.ClosureCleanerSuite$$anonfun$1.apply$mcV$sp(ClosureCleanerSuite.scala:27)
...
*** RUN ABORTED ***
java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Thread.java:679)
at
org.eclipse.jetty.util.thread.QueuedThreadPool.startThread(QueuedThreadPool.java:441)
at
org.eclipse.jetty.util.thread.QueuedThreadPool.doStart(QueuedThreadPool.java:108)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at
org.eclipse.jetty.util.component.AggregateLifeCycle.doStart(AggregateLifeCycle.java:81)
at
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:58)
at
org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:96)
at org.eclipse.jetty.server.Server.doStart(Server.java:282)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
...
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