I've been off over the holidays; just back. "pshankar" wrote : We were able to constantly reproduce the issue with Java JDK 1.5.0_10 and java 1.5.0.09-b3 | Please verify. No problems in JVM before. The problem lies in the GMS transport apis/dlls in conjunction with the JDK 09 and above. | Hmm. When I was trying to reproduce I was running Sun JDK 1.5.-_10. Why do you say it lies in the GMS transport apis/dlls? Sounds like you've found something that will help me isolate the issue. Are you referring to JGroups GMS? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3997266#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...