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From "Keith Wall (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-6071) Removing designated primary/electable group override from a node in a group without quorum should cause it to return to WAITING
Date Wed, 03 Sep 2014 21:36:51 GMT

    [ https://issues.apache.org/jira/browse/QPID-6071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14120505#comment-14120505
] 

Keith Wall commented on QPID-6071:
----------------------------------

Issue is that the RemoteNodeStateLearner should cause a DatabasePing if designated primary
or electable group override has been mutated in order that the absence of quorum is noticed.

> Removing designated primary/electable group override from a node in a group without quorum
should cause it to return to WAITING
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: QPID-6071
>                 URL: https://issues.apache.org/jira/browse/QPID-6071
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>    Affects Versions: 0.31
>            Reporter: Keith Wall
>
> I have a two node group with nodes A and B.  
> # Shutdown node B,
> # Remaining node (A) correctly transitions into the WAITING role as it automatically
detects the loss of quorum.
> # Designate Primary (A)
> # Node A automatically transitions to MASTER.
> # Remove Primary Designation from A
> # Expected behaviour : node automatically transitions back to WAITING, actual behaviour:
node remains MASTER until next user transaction fails.
> There is an equivalent defect in a multi node group when electable group override is
mutated back to Majority.
> The defect will mean that the VH continues to accept connection and non-persistent transactions
until the first persistent transaction arrives.  At that point the node will transition correctly.



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