2008-03-28 16:44:30,180 ERROR [org.jgroups.protocols.pbcast.GMS] merge_id ([216.239.XXX.XXX:9900|1206745285182]) or this.merge_id (null) is null (sender=10.15.XXX.XXX:9900).
... I XXXed out the last 2 octets of the IP addresses. Does this additional message help at all?
Regards,
John
Falling You - exploring the beauty of voice and sound