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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2687) Deadlock while shutting down the Leader server.
Date Wed, 15 Feb 2017 16:29:41 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15868127#comment-15868127
] 

Rakesh R commented on ZOOKEEPER-2687:
-------------------------------------

Thanks [~arshad.mohammad] for the contribution. Thanks [~abrahamfine] for the reviews.

Merged to branch-3.5 : https://git-wip-us.apache.org/repos/asf?p=zookeeper.git;a=commit;h=f07a836e3e24e9b643fecf0c0cfca3d7dbc60859
Merged to master : https://git-wip-us.apache.org/repos/asf?p=zookeeper.git;a=commit;h=fd211a5275b6231e668268fb9df2820e07f5f33c

> Deadlock while shutting down the Leader server.
> -----------------------------------------------
>
>                 Key: ZOOKEEPER-2687
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2687
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: server
>    Affects Versions: 3.5.2, 3.6.0
>            Reporter: Mohammad Arshad
>            Assignee: Mohammad Arshad
>             Fix For: 3.5.3, 3.6.0
>
>         Attachments: ZOOKEEPER-2687-01.patch
>
>
> Leader server enters into deadlock while shutting down. This happens some time only.
> The reason and deadlock flow is same as ZOOKEEPER-2380.
> shutdown was removed from synchronized block in ZOOKEEPER-2380
> Now shutdown is called from synchronized block from another place.
> {code}
> // check leader running status
> if (!this.isRunning()) {
>     shutdown("Unexpected internal error");
>     return;
> }
> {code}



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