[ http://jira.jboss.com/jira/browse/JGRP-33?page=history ]

B.S.Navin updated JGRP-33:
--------------------------

    Environment: SUN JDK 1.4.2_05 & SUN JDK 1.5.0 on Windows & Unix platforms  
(was: SUN JDK 1.4.2_05)

Was able to reproduce the issue using SUN JDK 1.5.0 too

> JGroups throws OutOfMemoryError after running for a few hours
> -------------------------------------------------------------
>
>          Key: JGRP-33
>          URL: http://jira.jboss.com/jira/browse/JGRP-33
>      Project: JGroups
>         Type: Bug
>     Versions: 2.2.8
>  Environment: SUN JDK 1.4.2_05 & SUN JDK 1.5.0 on Windows & Unix platforms
>     Reporter: B.S.Navin
>     Assignee: Bela Ban
>     Priority: Critical
>      Fix For: 2.2.8
>  Attachments: JGroupsMemTest.java, PublishThread2.java, 
> fc-fast-udp-tcpping.xml, fc-fast-udp.xml, runj10.sh
>
>
> I ran 10 instances of a simple program with 3 threads. The max memory is kept 
> as the JVM default (64M). The 10 programs join the same JGroup and the 
> threads in the programs keep publishing a small hashmap at 5 second intervals.
> The heap memory consumed (Runtime.totalMemory() - Runtime.freeMemory()) 
> slowly increases over a period of 4-5 hours and reaches the default max limit 
> (64M) when it starts throwing OutOfMemory errors on all instances.
> I have run the program on unix and windows machines with 1G RAM.
> Not able to make much from an HProf output of one of the instances.
> This seems to be the cause for the JBossCache bug 
> "http://jira.jboss.com/jira/browse/JBCACHE-31"; too.
> I have tried out a UDP/PING and a UDP/TCPPING combination and this problem 
> occurs in both cases.

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