[jira] [Created] (HBASE-10745) Access ShutdownHook#fsShutdownHooks should be synchronized

[Jimmy Xiang (JIRA)]

Jimmy Xiang created HBASE-10745:
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             Summary: 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


Sometimes, I got weird RuntimeException. It turns out that 
ShutdownHook#fsShutdownHooks is a HashMap. We should synchronize its access.



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