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https://issues.apache.org/jira/browse/QPID-6208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14215997#comment-14215997
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ASF subversion and git services commented on QPID-6208:
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Commit 1640291 from [~k-wall] in branch 'qpid/trunk'
[ https://svn.apache.org/r1640291 ]
QPID-6208: [Java Broker] Fix defect that prevents the permitted node list from
being written to the store if it is not the first node in the group
(This was caused by a misuse of the features of ACO).
> PermittedNodeList seen to disappear while performing certain HA operations
> --------------------------------------------------------------------------
>
> Key: QPID-6208
> URL: https://issues.apache.org/jira/browse/QPID-6208
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Reporter: Andrew MacBean
> Assignee: Andrew MacBean
> Fix For: 0.31
>
>
> It has been observed a number of times that the Permitted Nodes list has been
> lost on an HA node causing unexpected intruder detection.
> On investigation is seems there is a race condition between the JE
> AppStateMonitor (EnvironmentStateHolder) being registered and the JEs
> AppState being queried for after environment restart. It could therefore
> sometimes be NULL which caused the Permitted Nodes logic to wipe the nodes
> list for the node.
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