[jboss-user] [Clustering/JBoss] - Re: strace shows futex

[bstansberry@jboss.com]

Threads waiting on an object are quite normal; it's the standard mechanism via which a thread that's completed it's work is unscheduled while waiting for more work. The threads in your stack trace other than "main" all look fine. The "main" thread wait is as I described above.

As nodes start, each of your 10 HASingletonControllers on that node sends a message to the cluster telling it it's there.  The "main" thread below shows that happening.

Sounds like there is an issue with handling that mesage on one or more of your nodes. If you see a log message saying a node is being suspected, get a thread dump on the node that's being suspected.

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