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https://issues.apache.org/jira/browse/HADOOP-13159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15287830#comment-15287830
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Hudson commented on HADOOP-13159:
---------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #9809 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/9809/])
HADOOP-13159. Fix potential NPE in Metrics2 source for (xyao: rev
94784848456a92a6502f3a3c0074e44fba4b19c9)
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/DecayRpcScheduler.java
> Fix potential NPE in Metrics2 source for DecayRpcScheduler
> ----------------------------------------------------------
>
> Key: HADOOP-13159
> URL: https://issues.apache.org/jira/browse/HADOOP-13159
> Project: Hadoop Common
> Issue Type: Bug
> Components: ipc
> Affects Versions: 2.8.0
> Reporter: Xiaoyu Yao
> Assignee: Xiaoyu Yao
> Fix For: 2.8.0
>
> Attachments: HADOOP-13159.00.patch, HADOOP-13159.01.patch,
> HADOOP-13159.02.patch
>
>
> HADOOP-12985 introduced a few metrics2 counters for DecayRpcScheduler. The
> counters should be initialized before the updater thread is created/executed.
> Otherwise, this is a chance of NPE if the updater thread get executed before
> the counters are fully initialized. I will post a patch for it shortly.
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