[jboss-jira] [JBoss JIRA] (JGRP-2290) ArrayIndexOutOfBoundsException in FD_SOCK

[Bela Ban (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-2290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban resolved JGRP-2290.
----------------------------
    Resolution: Done


Added synchronization using Collections.synchronizedXXX()

> ArrayIndexOutOfBoundsException in FD_SOCK
> -----------------------------------------
>
>                 Key: JGRP-2290
>                 URL: https://issues.jboss.org/browse/JGRP-2290
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 4.0.13
>            Reporter: Dan Berindei
>            Assignee: Bela Ban
>             Fix For: 4.0.15
>
>
> {noformat}
> 23:30:00.046 [INFO] Running org.infinispan.test.hibernate.cache.commons.entity.EntityRegionAccessStrategyTest
> Exception in thread "FD_SOCK pinger-10,EntityRegionAccessStrategyTest-NodeJ-23765" java.lang.ArrayIndexOutOfBoundsException: 0
> 	at java.util.concurrent.CopyOnWriteArrayList.get(CopyOnWriteArrayList.java:388)
> 	at java.util.concurrent.CopyOnWriteArrayList.get(CopyOnWriteArrayList.java:397)
> 	at org.jgroups.util.Util.pickNext(Util.java:2656)
> 	at org.jgroups.protocols.FD_SOCK.determinePingDest(FD_SOCK.java:762)
> 	at org.jgroups.protocols.FD_SOCK.run(FD_SOCK.java:407)
> 	at java.lang.Thread.run(Thread.java:748)
> {noformat}
> The {{pingable_mbrs}} and {{suspected_mbrs}} collections are not read that often, so I suggest using regular synchronization instead of {{CopyOnWriteList}}.



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