[jira] [Commented] (HIVE-11380) NPE when FileSinkOperator is not initialized

["Sergio Peña (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-11380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15002390#comment-15002390 ] 

Sergio Peña commented on HIVE-11380:
------------------------------------

Cherry-picked to branch-1 now for 1.3.0 version

> NPE when FileSinkOperator is not initialized
> --------------------------------------------
>
>                 Key: HIVE-11380
>                 URL: https://issues.apache.org/jira/browse/HIVE-11380
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.14.0
>            Reporter: Yongzhi Chen
>            Assignee: Yongzhi Chen
>             Fix For: 1.3.0, 2.0.0
>
>         Attachments: HIVE-11380.1.patch
>
>
> When FileSinkOperator's initializeOp is not called (which may happen when an operator before FileSinkOperator initializeOp failed), FileSinkOperator will throw NPE at close time. The stacktrace:
> {noformat}
> org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.NullPointerException
> at org.apache.hadoop.hive.ql.exec.FileSinkOperator.createBucketFiles(FileSinkOperator.java:523)
> at org.apache.hadoop.hive.ql.exec.FileSinkOperator.closeOp(FileSinkOperator.java:952)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:598)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:610)
> at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.close(ExecMapper.java:199)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:61)
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:453)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
> at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:243)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.NullPointerException
> at org.apache.hadoop.hive.ql.exec.FileSinkOperator.createBucketFiles(FileSinkOperator.java:519)
> ... 18 more
> {noformat}
> This Exception is misleading and often distracts users from finding real issues. 



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