[jboss-jira] [JBoss JIRA] Commented: (JGRP-830) viewAccepted is not always reported to all group members

[Bela Ban (JIRA)]

    [ https://jira.jboss.org/jira/browse/JGRP-830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12432726#action_12432726 ] 

Bela Ban commented on JGRP-830:
-------------------------------

I tested this, but I'm not sure what to do. Did you just unplug a NIC and then - after some time - plug it back in ? For this you don't need your test, you could simply use org.jgroups.demos.Draw (or ViewDemo)...

I did exactly this, with udp.xml (but loopback="true") and then a
network service stop

After the cluster fell apart, I restarted the network and the cluster merged back into one. Sometimes 3 singleton clusters merge into 2 first, then into 3, and sometimes they go straight to 3.

If you did something else, please use Draw or ViewDemo with an XML config, and post exact steps to reproduce the issue.

> viewAccepted is not always reported to all group members
> --------------------------------------------------------
>
>                 Key: JGRP-830
>                 URL: https://jira.jboss.org/jira/browse/JGRP-830
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 2.6.4
>         Environment: Windows XP
>            Reporter: cbowditch
>            Assignee: Vladimir Blagojevic
>             Fix For: 2.6.5, 2.7
>
>         Attachments: JGroups-ViewMergeBug.zip
>
>
> I have written a test harness application that demonstrates the issue. When there are 3 members in the group, 2 on 1 machine and the third on a second machine not all members of the group receive a viewAccepted method call everytime a network outage occurs or after a network outage has been recovered from. I am doing all my testing on Windows XP.
> Receiving the viewAccepted method after a network outage or after recovering from a network outage is vital for all members to be able to keep track of which members are still present in the group.
> I have created a thread on the forum regarding this issue:
> http://sourceforge.net/mailarchive/forum.php?thread_name=BAY117-DAV32E55658B51A7027F6CCDFB400%40phx.gbl&forum_name=javagroups-users
> Although I have only seen the error reported at the start of that thread once so it may be a red herring. It may be necessary to break the network connection between the 2 machines in this test 3/4 times as it sometimes works.
> If you need anymore information on how to recreate this issue then please let me know and I will try to assist.

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