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Ryan Williams edited comment on SPARK-16599 at 7/22/17 1:23 PM: ---------------------------------------------------------------- Seems like the second {{SparkContext}}'s {{BlockManager}}/{{NettyBlockTransferService}} starts at the same address as the first's, intercepts subsequent block requests, and doesn't know about blocks that were created with the first {{SparkContext}}/{{BlockManager}}. <edit> this doesn't explain why switching to {{DEBUG}} logging made the issue go away in my application though; hmm… </edit> If anyone else who saw this issue wants to chime in about whether they may have – or definitely did not have – multiple concurrently-active {{SparkContext}}'s in the same JVM when they saw the issue, that might be useful! was (Author: rdub): Seems like the second {{SparkContext}}'s {{BlockManager}}/{{NettyBlockTransferService}} starts at the same address as the first's, intercepts subsequent block requests, and doesn't know about blocks that were created with the first {{SparkContext}}/{{BlockManager}}. If anyone else who saw this issue wants to chime in about whether they may have – or definitely did not have – multiple concurrently-active {{SparkContext}}'s in the same JVM when they saw the issue, that might be useful! > java.util.NoSuchElementException: None.get at at > org.apache.spark.storage.BlockInfoManager.releaseAllLocksForTask(BlockInfoManager.scala:343) > ---------------------------------------------------------------------------------------------------------------------------------------------- > > Key: SPARK-16599 > URL: https://issues.apache.org/jira/browse/SPARK-16599 > Project: Spark > Issue Type: Bug > Affects Versions: 2.0.0 > Environment: centos 6.7 spark 2.0 > Reporter: binde > > run a spark job with spark 2.0, error message > Job aborted due to stage failure: Task 0 in stage 821.0 failed 4 times, most > recent failure: Lost task 0.3 in stage 821.0 (TID 1480, e103): > java.util.NoSuchElementException: None.get > at scala.None$.get(Option.scala:347) > at scala.None$.get(Option.scala:345) > at > org.apache.spark.storage.BlockInfoManager.releaseAllLocksForTask(BlockInfoManager.scala:343) > at > org.apache.spark.storage.BlockManager.releaseAllLocksForTask(BlockManager.scala:644) > at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:281) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:745) -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org