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Posted to dev@qpid.apache.org by "Alan Conway (Resolved) (JIRA)" <ji...@apache.org> on 2012/01/11 15:52:39 UTC
[jira] [Resolved] (QPID-3369) Loss of cluster elder can result in
loss of whole cluster
[ https://issues.apache.org/jira/browse/QPID-3369?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alan Conway resolved QPID-3369.
-------------------------------
Resolution: Duplicate
Fix Version/s: 0.11
Fixed as a side effect by the fix for qpid-3280
> Loss of cluster elder can result in loss of whole cluster
> ---------------------------------------------------------
>
> Key: QPID-3369
> URL: https://issues.apache.org/jira/browse/QPID-3369
> Project: Qpid
> Issue Type: Bug
> Components: C++ Clustering
> Affects Versions: 0.7
> Reporter: Jason Dillaman
> Assignee: Alan Conway
> Fix For: 0.11
>
> Attachments: QPID-3369.patch
>
>
> If the cluster elder is lost, it is possible that the remaining nodes of the
> cluster will fail with the following errors:
> Error delivering frames: Cluster timer wakeup non-existent task
> ManagementAgent::periodicProcessing (qpid/cluster/ClusterTimer.cpp:93)
> -- or --
> Error delivering frames: Cluster timer drop non-existent task
> ManagementAgent::periodicProcessing (qpid/cluster/ClusterTimer.cpp:109)
> When a member is promoted to be the elder, the ClusterTimer::becomeElder()
> method will add all the current cluster tasks to the Timer. However, there is
> a potential race condition where CPG can deliver the timer wakeup from the
> original elder.
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