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https://issues.apache.org/jira/browse/HIVE-7409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14069629#comment-14069629
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Xuefu Zhang commented on HIVE-7409:
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Don't worry. It happened to me as well. Let me take a look at the patch, and +1
if everything is good (I hope so). This way, you don't have to roll it back.
> Add workaround for a deadlock issue of Class.getAnnotation()
> -------------------------------------------------------------
>
> Key: HIVE-7409
> URL: https://issues.apache.org/jira/browse/HIVE-7409
> Project: Hive
> Issue Type: Bug
> Reporter: Tsuyoshi OZAWA
> Assignee: Tsuyoshi OZAWA
> Fix For: 0.14.0
>
> Attachments: HIVE-7409.1.patch, HIVE-7409.2.patch.txt, stacktrace.txt
>
>
> [JDK-7122142|https://bugs.openjdk.java.net/browse/JDK-7122142] mentions that
> there is a race condition in getAnnotations. This problem can lead deadlock.
> The fix on JDK will be merged on jdk8, but hive supports jdk6/jdk7 currently.
> Therefore, we should add workaround to avoid the issue.
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