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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-6208) PermittedNodeList seen to disappear while performing certain HA operations
Date Tue, 18 Nov 2014 09:42:33 GMT

    [ https://issues.apache.org/jira/browse/QPID-6208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14215997#comment-14215997

ASF subversion and git services commented on QPID-6208:

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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