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Posted to common-issues@hadoop.apache.org by "Tsuyoshi Ozawa (JIRA)" <ji...@apache.org> on 2015/05/14 03:18:59 UTC
[jira] [Updated] (HADOOP-11361) Fix a race condition in
MetricsSourceAdapter.updateJmxCache
[ https://issues.apache.org/jira/browse/HADOOP-11361?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tsuyoshi Ozawa updated HADOOP-11361:
------------------------------------
Summary: Fix a race condition in MetricsSourceAdapter.updateJmxCache (was: NPE in MetricsSourceAdapter)
> 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
> Labels: BB2015-05-TBR
> 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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