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https://issues.apache.org/jira/browse/ZOOKEEPER-886?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Erwin Tam updated ZOOKEEPER-886:
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    Status: Patch Available  (was: Open)

Uploaded patch for this fix.

> Hedwig Server stays in "disconnected" state when connection to ZK dies but 
> gets reconnected
> -------------------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-886
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-886
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: contrib-hedwig
>            Reporter: Erwin Tam
>            Assignee: Erwin Tam
>         Attachments: ZOOKEEPER-886.patch
>
>
> The Hedwig Server is connected to ZooKeeper.  In the ZkTopicManager, it 
> registers a watcher so that if it ever gets disconnected from ZK, it will 
> temporarily fail all incoming requests since the Hedwig server does not know 
> for sure if it is still the master for the topics.  When the ZK client gets 
> reconnected, the logic currently is wrong and it does not unset the suspended 
> flag.  Thus once it gets disconnected, it will stay in the suspended state 
> forever, thereby making the Hedwig server hub dead.

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