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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2018/01/11 15:59:00 UTC
[jira] [Resolved] (SPARK-22517) NullPointerException in
ShuffleExternalSorter.spill()
[ https://issues.apache.org/jira/browse/SPARK-22517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen resolved SPARK-22517.
-------------------------------
Resolution: Duplicate
> NullPointerException in ShuffleExternalSorter.spill()
> -----------------------------------------------------
>
> Key: SPARK-22517
> URL: https://issues.apache.org/jira/browse/SPARK-22517
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.2.0
> Reporter: Andreas Maier
>
> I see a NullPointerException during sorting with the following stacktrace:
> {code}
> 17/11/13 15:02:56 ERROR Executor: Exception in task 138.0 in stage 9.0 (TID 13497)
> java.lang.NullPointerException
> at org.apache.spark.memory.TaskMemoryManager.getPage(TaskMemoryManager.java:383)
> at org.apache.spark.shuffle.sort.ShuffleExternalSorter.writeSortedFile(ShuffleExternalSorter.java:193)
> at org.apache.spark.shuffle.sort.ShuffleExternalSorter.spill(ShuffleExternalSorter.java:254)
> at org.apache.spark.memory.TaskMemoryManager.acquireExecutionMemory(TaskMemoryManager.java:203)
> at org.apache.spark.memory.TaskMemoryManager.allocatePage(TaskMemoryManager.java:281)
> at org.apache.spark.memory.MemoryConsumer.allocateArray(MemoryConsumer.java:90)
> at org.apache.spark.shuffle.sort.ShuffleInMemorySorter.reset(ShuffleInMemorySorter.java:100)
> at org.apache.spark.shuffle.sort.ShuffleExternalSorter.spill(ShuffleExternalSorter.java:256)
> at org.apache.spark.memory.TaskMemoryManager.acquireExecutionMemory(TaskMemoryManager.java:203)
> at org.apache.spark.memory.TaskMemoryManager.allocatePage(TaskMemoryManager.java:281)
> at org.apache.spark.memory.MemoryConsumer.allocateArray(MemoryConsumer.java:90)
> at org.apache.spark.shuffle.sort.ShuffleExternalSorter.growPointerArrayIfNecessary(ShuffleExternalSorter.java:328)
> at org.apache.spark.shuffle.sort.ShuffleExternalSorter.insertRecord(ShuffleExternalSorter.java:379)
> at org.apache.spark.shuffle.sort.UnsafeShuffleWriter.insertRecordIntoSorter(UnsafeShuffleWriter.java:246)
> at org.apache.spark.shuffle.sort.UnsafeShuffleWriter.write(UnsafeShuffleWriter.java:167)
> at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:96)
> at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:53)
> at org.apache.spark.scheduler.Task.run(Task.scala:108)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:335)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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