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From "Ning Zhang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-1422) skip counter update when RunningJob.getCounters() returns null
Date Mon, 02 Aug 2010 20:45:16 GMT

     [ https://issues.apache.org/jira/browse/HIVE-1422?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ning Zhang updated HIVE-1422:
-----------------------------

    Attachment: HIVE-1422.3.patch

The previous patch still put fatal.q* to clientpositive/. Moving them to clientnegative/.

> skip counter update when RunningJob.getCounters() returns null
> --------------------------------------------------------------
>
>                 Key: HIVE-1422
>                 URL: https://issues.apache.org/jira/browse/HIVE-1422
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.6.0
>            Reporter: John Sichi
>            Assignee: Joydeep Sen Sarma
>             Fix For: 0.7.0
>
>         Attachments: 1422.2.patch, 1422.2.patch, HIVE-1422.1.patch, HIVE-1422.3.patch
>
>
> Under heavy load circumstances on some Hadoop versions, we may get a NPE from trying
to dereference a null Counters object.  I don't have a unit test which can reproduce it, but
here's an example stack from a production cluster we saw today:
> 10/06/21 13:01:10 ERROR exec.ExecDriver: Ended Job = job_201005200457_701060 with exception
'java.lang.NullPointerException(null)'
> java.lang.NullPointerException
> at org.apache.hadoop.hive.ql.exec.Operator.updateCounters(Operator.java:999)
> at org.apache.hadoop.hive.ql.exec.ExecDriver.updateCounters(ExecDriver.java:503)
> at org.apache.hadoop.hive.ql.exec.ExecDriver.progress(ExecDriver.java:390)
> at org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:697)
> at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:107)
> at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:55)
> at org.apache.hadoop.hive.ql.exec.TaskRunner.run(TaskRunner.java:47)

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