[jira] Commented: (HADOOP-2036) NPE in JvmMetrics.doThreadUpdates

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-2036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12534227 ] 

Hadoop QA commented on HADOOP-2036:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12367613/2036.patch
against trunk revision r584031.

    @author +1.  The patch does not contain any @author tags.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac +1.  The applied patch does not generate any new compiler warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests +1.  The patch passed contrib unit tests.

Test results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/931/testReport/
Findbugs warnings: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/931/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/931/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/931/console

This message is automatically generated.

> NPE in JvmMetrics.doThreadUpdates
> ---------------------------------
>
>                 Key: HADOOP-2036
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2036
>             Project: Hadoop
>          Issue Type: Bug
>          Components: metrics
>    Affects Versions: 0.14.1
>            Reporter: Koji Noguchi
>            Assignee: Nigel Daley
>            Priority: Blocker
>             Fix For: 0.15.0
>
>         Attachments: 2036.patch
>
>
> It showed on task's stderr.  Didn't fail the task directly.
> java.lang.NullPointerException
> at org.apache.hadoop.metrics.jvm.JvmMetrics.doThreadUpdates(JvmMetrics.java:129)
> at org.apache.hadoop.metrics.jvm.JvmMetrics.doUpdates(JvmMetrics.java:79)
> at org.apache.hadoop.metrics.spi.AbstractMetricsContext.timerEvent(AbstractMetricsContext.java:284)
> at org.apache.hadoop.metrics.spi.AbstractMetricsContext.access$000(AbstractMetricsContext.java:50)
> at org.apache.hadoop.metrics.spi.AbstractMetricsContext$1.run(AbstractMetricsContext.java:249)
> at java.util.TimerThread.mainLoop(Timer.java:512)
> at java.util.TimerThread.run(Timer.java:462)

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