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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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Attachment: ZOOKEEPER-886.patch
> 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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