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Drew Robb commented on SPARK-16599: ----------------------------------- I encountered an identical exception when using a singleton spark session. For me, I was able to resolve the issue by ensuring all objects that used the singleton spark session did a `import spark.implicits._`, even if that particular import was not necessary for compiling. > 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 (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org