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https://issues.apache.org/jira/browse/HADOOP-9964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13782022#comment-13782022
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Hudson commented on HADOOP-9964:
--------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #4497 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/4497/])
HADOOP-9964. Fix deadlocks in TestHttpServer by synchronize
ReflectionUtils.printThreadInfo. (Junping Du via llu) (llu:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1527650)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ReflectionUtils.java
> O.A.H.U.ReflectionUtils.printThreadInfo() is not thread-safe which cause
> TestHttpServer pending 10 minutes or longer.
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-9964
> URL: https://issues.apache.org/jira/browse/HADOOP-9964
> Project: Hadoop Common
> Issue Type: Bug
> Components: util
> Reporter: Junping Du
> Assignee: Junping Du
> Fix For: 2.3.0
>
> Attachments: HADOOP-9964.patch, jstack-runTestHttpServer.log
>
>
> The printThreadInfo() in ReflectionUtils is not thread-safe which cause two
> or more threads calling this method from StackServlet to deadlock.
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