[jboss-jira] [JBoss JIRA] Updated: (JGRP-1286) ConcurrentModificationException encountered when starting JGroups 2.12RC1 when diagnostics is enabled

[Bela Ban (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-1286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban updated JGRP-1286:
---------------------------

    Fix Version/s: 2.12


Thanks, I'll take a look

> ConcurrentModificationException encountered when starting JGroups 2.12RC1 when diagnostics is enabled
> -----------------------------------------------------------------------------------------------------
>
>                 Key: JGRP-1286
>                 URL: https://issues.jboss.org/browse/JGRP-1286
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 2.12
>            Reporter: William Burns
>            Assignee: Bela Ban
>             Fix For: 2.12
>
>
> I saw this error once when starting up my server using the default TCP.xml file.  I have not been able to reproduce it more than once.
> I just wanted to submit this so that the handlers object can be properly protected via synchronization or java.util.concurrent related facility.
> 48       E 15:55:19,696 (TCP       ) failure handling diagnostics request java.util.ConcurrentModificationException 
>         at java.util.HashMap$HashIterator.nextEntry(Unknown Source) 
>         at java.util.HashMap$KeyIterator.next(Unknown Source) 
>         at org.jgroups.protocols.TP$DiagnosticsHandler.handleDiagnosticProbe(TP.java:2157) 
>         at org.jgroups.protocols.TP$DiagnosticsHandler.run(TP.java:2130) 
>         at java.lang.Thread.run(Unknown Source) 

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