[jboss-jira] [JBoss JIRA] Updated: (JGRP-260) Two subgroups don't merge when one of the hosts in TCPPING(intial_hosts=...) list is not accessible

[Bela Ban (JIRA)]

     [ http://jira.jboss.com/jira/browse/JGRP-260?page=all ]

Bela Ban updated JGRP-260:
--------------------------

    Fix Version/s: 2.4

> Two subgroups don't merge when one of the hosts in TCPPING(intial_hosts=...) list is not accessible
> ---------------------------------------------------------------------------------------------------
>
>                 Key: JGRP-260
>                 URL: http://jira.jboss.com/jira/browse/JGRP-260
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 2.2.9.2
>         Environment: Debian GNU/Linux 2.4.27, JDK 1.5.0_05
>            Reporter: Tomasz Skutnik
>         Assigned To: Bela Ban
>             Fix For: 2.4
>
>         Attachments: Test1.java
>
>
> When I run client program (see attachment) with following command:
> - on host h1:
> $ java -cp \
>   jgroups-all-2.2.9.2.jar:concurrent.jar:commons-logging-1.1.jar:\
>   classes test.Test1 "h1" "h1[7800],h3[7800]"
> - on host h2:
> $ java -cp \
>   jgroups-all-2.2.9.2.jar:concurrent.jar:commons-logging-1.1.jar:\
>   classes test.Test1 "h2" "h1[7800],h3[7800]"
> And host "h3" is known (listed in /etc/hosts) but physically turned off
> both hosts (h1 and h2) create two disjoint groups instead of one merged
> group. And on host "h2" following warnings/errors are logged:
> 2006-07-11 08:56:07 org.jgroups.protocols.pbcast.CoordGmsImpl$MergeTask run
> WARNING: merge responses from subgroup coordinators <= 1
> ([sender=172.16.195.131:7800, view=[172.16.195.131:7800|0]
> [172.16.195.131:7800], digest=172.16.195.131:7800: [0 : 5]]). Cancelling
> merge
> 2006-07-11 08:56:52 org.jgroups.protocols.pbcast.CoordGmsImpl$MergeTask run
> WARNING: merge responses from subgroup coordinators <= 1
> ([sender=172.16.195.131:7800, view=[172.16.195.131:7800|0]
> [172.16.195.131:7800], digest=172.16.195.131:7800: [0 : 7]]). Cancelling
> merge
> 2006-07-11 08:57:26 org.jgroups.protocols.pbcast.CoordGmsImpl
> handleMergeResponse
> SEVERE: this.merge_id ([172.16.195.131:7800|1152601002343]) is different
> from merge_id ([172.16.195.131:7800|1152600957961])
> 2006-07-11 08:58:24 org.jgroups.protocols.pbcast.CoordGmsImpl$MergeTask run
> WARNING: merge responses from subgroup coordinators <= 1 ([]).
> Cancelling merge
> 2006-07-11 08:58:24 org.jgroups.protocols.pbcast.CoordGmsImpl
> sendMergeCancelledMessage
> SEVERE: coords or merge_id == null
> 2006-07-11 08:58:24 org.jgroups.protocols.pbcast.CoordGmsImpl
> sendMergeCancelledMessage
> SEVERE: coords or merge_id == null
> ...

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