[
https://issues.apache.org/jira/browse/SPARK-22517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16254706#comment-16254706
]
Kazuaki Ishizaki commented on SPARK-22517:
------------------------------------------
Could you please post a program that can reproduce this program?
> 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}
--
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
