[jboss-jira] [JBoss JIRA] (JGRP-1491) Views are created with the wrong view creator

Bela Ban (JIRA) jira-events at lists.jboss.org
Fri Aug 31 08:53:32 EDT 2012


    [ https://issues.jboss.org/browse/JGRP-1491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12715132#comment-12715132 ] 

Bela Ban commented on JGRP-1491:
--------------------------------

OK, so on a merge, the merge leader sorts the new membership and makes the first element the new coordinator. The view (of the sorted members) is then installed in all partitions, so everyone will have the same ViewID, the same view creator and the same coordinator.
I'm looking into the pull request now to fully understand the problem...
                
> Views are created with the wrong view creator
> ---------------------------------------------
>
>                 Key: JGRP-1491
>                 URL: https://issues.jboss.org/browse/JGRP-1491
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 3.1
>            Reporter: David Hotham
>            Assignee: Bela Ban
>             Fix For: 3.2
>
>
> -  At a merge, the merge leader creates a view in which the ViewId.creator is not itself.
> -  This opens the possibility that two different nodes might simultaneously be creating different views - but with the same ViewId
> -  This is bound to lead to confusion, if it happens
> This is per pull request 54, which contains further discussion and a proposed fix.
> (I'm raising this ticket just to have everything tracked in one place).

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