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From "Keith Wall (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (QPID-5982) Stopped node viewed remotely reports stale replication transaction id
Date Sun, 10 Aug 2014 19:11:12 GMT

     [ https://issues.apache.org/jira/browse/QPID-5982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Keith Wall updated QPID-5982:
-----------------------------

    Description: 
I have a HA group formed of three nodes. I stop one the nodes using the Stop button on its
VHN tab.  The node stops correctly and temporarily detaches from the group leaving the two
remaining nodes providing service.

If I then observe the group from the VHN tab of either of the two remaining nodes, I see the
role of the stopped node as UNKNOWN (correct behaviour), but the replication transaction id
is still populated (with the last known value).  This information is stale and might mislead
the user.  In the case where the group has suffered a network partition the value could be
wrong.

A node should discard the remote replication transaction id when it looses contact with the
remote node and should display N/A.


  was:
I have a HA group formed of three nodes. I stop one the nodes using the Stop button on its
VHN tab.  The node stops correctly and temporarily detaches from the group leaving the two
remaining nodes providing service.

If I then observe the group from the VHN tab of either of the two remaining nodes, I see the
role of the stopped node as UNKNOWN (correct behaviour), but the replication transaction id
is still populated (with the last know value).  This information is stale and might mislead
the user.  In the case where the group has suffered a network partition the value could be
wrong.

A node should discard the remote replication transaction id when it loose contact with the
remote node and should display N/A.



> Stopped node viewed remotely reports stale replication transaction id
> ---------------------------------------------------------------------
>
>                 Key: QPID-5982
>                 URL: https://issues.apache.org/jira/browse/QPID-5982
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>    Affects Versions: 0.29
>            Reporter: Keith Wall
>            Assignee: Keith Wall
>            Priority: Minor
>              Labels: bdbstore, ha
>             Fix For: 0.31
>
>
> I have a HA group formed of three nodes. I stop one the nodes using the Stop button on
its VHN tab.  The node stops correctly and temporarily detaches from the group leaving the
two remaining nodes providing service.
> If I then observe the group from the VHN tab of either of the two remaining nodes, I
see the role of the stopped node as UNKNOWN (correct behaviour), but the replication transaction
id is still populated (with the last known value).  This information is stale and might mislead
the user.  In the case where the group has suffered a network partition the value could be
wrong.
> A node should discard the remote replication transaction id when it looses contact with
the remote node and should display N/A.



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