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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11361) Fix a race condition in MetricsSourceAdapter.updateJmxCache
Date Tue, 24 Nov 2015 22:10:11 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15025535#comment-15025535
] 

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

FAILURE: Integrated in Hadoop-Yarn-trunk #1449 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/1449/])
Revert "HADOOP-11361. Fix a race condition in (jlowe: rev 17b1a5482b32dab82225e8233648990bc77674ba)
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/impl/MetricsSourceAdapter.java
* hadoop-common-project/hadoop-common/CHANGES.txt


> 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, 2.5.1, 2.6.0
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>         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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