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https://issues.apache.org/jira/browse/HADOOP-9964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13779776#comment-13779776
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Luke Lu commented on HADOOP-9964:
---------------------------------
The patch lgtm. +1.
> 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
> 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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