[jboss-jira] [JBoss JIRA] Resolved: (JGRP-676) Infinite NPE/error loop in ClientGmsImpl.java

[Bela Ban (JIRA)]

     [ http://jira.jboss.com/jira/browse/JGRP-676?page=all ]

Bela Ban resolved JGRP-676.
---------------------------

    Resolution: Done

Fixed (mostly) according to solution. Backported to 2.6. Passed both unit test suites on trunk and 2.6. Started 40 instances concurrently, always ended up with a 40-node cluster.

> Infinite NPE/error loop in ClientGmsImpl.java
> ---------------------------------------------
>
>                 Key: JGRP-676
>                 URL: http://jira.jboss.com/jira/browse/JGRP-676
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 2.6.1
>            Reporter: Bela Ban
>         Assigned To: Bela Ban
>             Fix For: 2.6.2, 2.7
>
>         Attachments: ClientGmsImpl.java.patch, ClientGmsImpl.stack.txt, rpcProtocolConfig-ENC.xml
>
>
> So we  are starting up ~30 hosts at the same time running 2.6.1 and have seen
> a number of exception stacks and anomalies. 
> There are a couple nasty bugs in the ClientGMSImpl.join() method which
> caused an infinite loop of NPE exceptions or other errors.  I fixed 3 of
> them and left one more for someone who knows the code better.  See the
> patch.

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