Sun GlassFish Enterprise Server v2.1.1 Release Notes

Solution

If automated cluster creation configuration selects a heartbeat port that is in conflict with another service that is already using that port, update the cluster heartbeat port to a port that is not being used by the system.

To change the heartbeat port of a cluster, use the following asadmin command:

asadmin set cluster-name.heartbeat-port=newportnumber