[jboss-jira] [JBoss JIRA] (JGRP-2237) The single node in the cluster not become a coordinator after coordinator leave.

kfir avraham (JIRA) issues at jboss.org
Wed Nov 29 05:54:00 EST 2017


    [ https://issues.jboss.org/browse/JGRP-2237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13495116#comment-13495116 ] 

kfir avraham commented on JGRP-2237:
------------------------------------

i attached logs from server_A, server_B, and conf file.

in this case (after upgrade to version 4.0.8) it is look better but from some reason after a few restarts, server_A doesn't sent a join message to the other machine, and create new view with 'is_coord-true'.

any idea what could be the reason for that?

BTW, we must to use in ' port_range="0" ', because we want to use only in this port, and it worked perfect in 3.6.11 version (we upgraded the version because security issue). 
when i set ' port_range="5" ', they not discovered each other from the beginning.

> The single node in the cluster not become a coordinator after coordinator leave.
> --------------------------------------------------------------------------------
>
>                 Key: JGRP-2237
>                 URL: https://issues.jboss.org/browse/JGRP-2237
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 4.0.2, 4.0.8
>            Reporter: kfir avraham
>            Assignee: Bela Ban
>            Priority: Minor
>         Attachments: Server_A.txt, Server_B.txt, test.xml
>
>
> I got cluster with 2 members, sometimes when the first node (coordinator) leave the cluster the second one is not become a coordinator.
> When the first one is rejoin, he could not determine coordinator and select new one from the nodes list.



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