[ https://issues.apache.org/jira/browse/SPARK-9946?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Davies Liu updated SPARK-9946: ------------------------------ Summary: NPE in TaskMemoryManager (was: TaskMemoryManager is not thread safe) > NPE in TaskMemoryManager > ------------------------ > > Key: SPARK-9946 > URL: https://issues.apache.org/jira/browse/SPARK-9946 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 1.5.0 > Reporter: Davies Liu > Assignee: Davies Liu > Priority: Blocker > > {code} > Failed to execute query using catalyst: > [info] Error: Job aborted due to stage failure: Task 6 in stage 6801.0 > failed 1 times, most recent failure: Lost task 6.0 in stage 6801.0 (TID > 41123, localhost): java.lang.NullPointerException > [info] at > org.apache.spark.unsafe.memory.TaskMemoryManager.getPage(TaskMemoryManager.java:226) > [info] at > org.apache.spark.util.collection.unsafe.sort.UnsafeInMemorySorter$SortedIterator.loadNext(UnsafeInMemorySorter.java:165) > [info] at > org.apache.spark.sql.execution.UnsafeExternalRowSorter$1.next(UnsafeExternalRowSorter.java:142) > [info] at > org.apache.spark.sql.execution.UnsafeExternalRowSorter$1.next(UnsafeExternalRowSorter.java:129) > [info] at > org.apache.spark.sql.execution.RowIteratorFromScala.advanceNext(RowIterator.scala:84) > [info] at > org.apache.spark.sql.execution.joins.SortMergeJoinScanner.advancedBufferedToRowWithNullFreeJoinKey(SortMergeJoin.scala:302) > [info] at > org.apache.spark.sql.execution.joins.SortMergeJoinScanner.findNextInnerJoinRows(SortMergeJoin.scala:218) > [info] at > org.apache.spark.sql.execution.joins.SortMergeJoin$$anonfun$doExecute$1$$anon$1.advanceNext(SortMergeJoin.scala:110) > [info] at > org.apache.spark.sql.execution.RowIteratorToScala.hasNext(RowIterator.scala:68) > [info] at > scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327) > [info] at > scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:327) > [info] at > org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.insertAll(BypassMergeSortShuffleWriter.java:99) > [info] at > org.apache.spark.shuffle.sort.SortShuffleWriter.write(SortShuffleWriter.scala:73) > [info] at > org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:73) > [info] at > org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:41) > [info] at org.apache.spark.scheduler.Task.run(Task.scala:88) > [info] at > org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214) > 13:27:17.435 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 23.0 > in stage 6801.0 (TID 41140, localhost): TaskKilled (killed intentionally) > [info] at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > [info] at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > 13:27:17.436 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 12.0 > in stage 6801.0 (TID 41129, localhost): TaskKilled (killed intentionally) > [info] at java.lang.Thread.run(Thread.java:745) > {code} -- 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