JGroups throws OutOfMemoryError after running for a few hours
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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
Reporter: B.S.Navin
Assigned to: Bela Ban
Priority: Critical
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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