Hi, I have installed jboss-4.2.2.GA with clustering on two different windows XP machine. 1) I don't know why the other member isn't joining the cluster. GMS: address is 153.58.49.100:7800 ------------------------------------------------------- 19:37:39,658 INFO [Partition A] Number of cluster members: 1 19:37:39,658 INFO [Partition A] Other members: 0 19:37:39,658 INFO [Partition A] Fetching state (will wait for 30000 milliseconds): 19:37:39,658 INFO [Partition A] State could not be retrieved (we are the first member in group) 19:37:39,721 INFO [HANamingService] Started ha-jndi bootstrap jnpPort=1100, backlog=50, bindAddress=/153.58.49.100 19:37:39,737 INFO [DetachedHANamingService$AutomaticDiscovery] Listening on /153.58.49.100:1102, group=230.0.0.4, HA-JNDI address=153.58.49.100:1100 19:37:42,080 INFO [TreeCache] No transaction manager lookup class has been defined. Transactions cannot be used 19:37:42,346 INFO [STDOUT] 2) 20:03:18,028 WARN [NAKACK] 153.58.49.100:4358] discarded message from non-member 153.58.45.51:4877, my view is [153.58.49.100:4358|0] [153.58.49.100:4358] 20:03:18,028 INFO [TreeCache] viewAccepted(): MergeView::[153.58.45.51:4877|1][153.58.45.51:4877, 153.58.49.100:4358], subgroups=[[153.58.45.51:4877|0] [153.5 8.45.51:4877], [153.58.49.100:4358|0] [153.58.49.100:4358]] Can someone help me. Thanks. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4135633#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...