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https://issues.apache.org/jira/browse/HBASE-10745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13935183#comment-13935183
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Jimmy Xiang commented on HBASE-10745:
-------------------------------------
Yes, all other accesses are synchronized. Integrated into 0.94, 0.96, 0.98, and
trunk. Thanks.
> Access ShutdownHook#fsShutdownHooks should be synchronized
> ----------------------------------------------------------
>
> Key: HBASE-10745
> URL: https://issues.apache.org/jira/browse/HBASE-10745
> Project: HBase
> Issue Type: Bug
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Priority: Minor
> Fix For: 0.96.2, 0.98.1, 0.99.0, 0.94.18
>
> Attachments: hbase-10745.patch
>
>
> Sometimes, I got weird RuntimeException. It turns out that
> ShutdownHook#fsShutdownHooks is a HashMap. We should synchronize its access.
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