[jboss-user] [JBoss Cache: Core Edition] - Failure Detection when group coordinator dies

luckywhd do-not-reply at jboss.com
Thu Jul 10 06:41:19 EDT 2008


JBossCache and JGroups Services documentation (http://docs.jboss.org/jbossas/jboss4guide/r4/html/jbosscache.chapt.html#jbosscache-jgroups-fd-fd) states that when FD discovery protocol is being used, the current group coordinator is responsible of updating the cluster's view when a node of a cluster dies. The documentation does not however tell what is being done when the group coordinator itself dies.

We have been experiencing problems in a situation, where a node acting as the cluster's coordinator crashes, is rebooted or shut down. It seems that this leads to a situation, where other nodes still see the dead node as the coordinator and are, for some reason, unable to vote for the new one.

Any ideas how to fix this?

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