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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11361) Fix a race condition in MetricsSourceAdapter.updateJmxCache
Date Thu, 14 May 2015 12:21:11 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14543578#comment-14543578
] 

Hudson commented on HADOOP-11361:
---------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk-Java8 #196 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/196/])
HADOOP-11361. Fix a race condition in MetricsSourceAdapter.updateJmxCache. Contributed by
Brahma Reddy Battula. (ozawa: rev 4356e8a5ef0ac6d11a34704b80ef360a710e623a)
* hadoop-common-project/hadoop-common/CHANGES.txt
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/impl/MetricsSourceAdapter.java


> Fix a race condition in MetricsSourceAdapter.updateJmxCache
> -----------------------------------------------------------
>
>                 Key: HADOOP-11361
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11361
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.4.1, 2.6.0, 2.5.1
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>             Fix For: 2.8.0
>
>         Attachments: HADOOP-111361-003.patch, HADOOP-11361-002.patch, HADOOP-11361.patch,
HDFS-7487.patch
>
>
> {noformat}
> Caused by: java.lang.NullPointerException
> 	at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.updateAttrCache(MetricsSourceAdapter.java:247)
> 	at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.updateJmxCache(MetricsSourceAdapter.java:177)
> 	at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.getAttribute(MetricsSourceAdapter.java:102)
> 	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:647)
> {noformat}



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