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From "Zhihong Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5918) Master will block forever at startup if root server dies between assigning root and assigning meta
Date Wed, 20 Jun 2012 15:35:43 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13397583#comment-13397583
] 

Zhihong Ted Yu commented on HBASE-5918:
---------------------------------------

Patch v2 integrated to trunk.

Thanks for the patch, Chunhui.

Thanks for the review, Stack and Ram.
                
> Master will block forever at startup if root server dies between assigning root and assigning
meta
> --------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-5918
>                 URL: https://issues.apache.org/jira/browse/HBASE-5918
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 0.92.1
>            Reporter: chunhui shen
>            Assignee: chunhui shen
>         Attachments: HBASE-5918.patch, HBASE-5918.patch, HBASE-5918V2.patch
>
>
> When master is initializing, if root server died between assign root and assign meta,
master will block at 
> HMaster#assignRootAndMeta:{code}assignmentManager.assignMeta();
> this.catalogTracker.waitForMeta();{code}
> because ServerShutdownHandler is disabled,
> So we should enable ServerShutdownHandler after called assignmentManager.assignMeta();

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