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https://issues.apache.org/jira/browse/HELIX-121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dafu updated HELIX-121:
-----------------------
Issue Type: Sub-task (was: Bug)
Parent: HELIX-134
> Possible race condition in ZkHelixManager.disconnect() during zk session
> expiry
> -------------------------------------------------------------------------------
>
> Key: HELIX-121
> URL: https://issues.apache.org/jira/browse/HELIX-121
> Project: Apache Helix
> Issue Type: Sub-task
> Reporter: dafu
> Assignee: dafu
>
> There is race condition in ZkHelixManager.disconnect() during zk session
> expiry. If someone calls ZkHelixManager.disconnect() when zk session expiry
> happens, the real shutdown work may be skipped:
> public void disconnect()
> {
> if (!isConnected())
> {
> logger.error("ClusterManager " + _instanceName + " already
> disconnected");
> return;
> }
> disconnectInternal();
> }
> And when zk connection comes back again, the zk manager instance will come
> alive again even though the instance might be considered dead already.
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