When getState is called right after the connect even with flush, eventually (intermitently) you will get this exception:

SomeException:
...
Caused by: java.lang.IllegalStateException: Could not flush the cluster and proceed with state retri
eaval
at org.jgroups.JChannel.getState(JChannel.java:1041)
at org.jgroups.JChannel.getState(JChannel.java:973)
at org.jgroups.JChannel.getState(JChannel.java:927)
at org.jboss.messaging.core.impl.postoffice.GroupMember.start(GroupMember.java:152)
...

Notice that this only started to happen only after this change:

http://viewvc.jboss.org/cgi-bin/viewvc.cgi/messaging/branches/Branch_1_4/tests/etc/server/default/deploy/mock-channelfactory-stacks.xml?r1=4985&r2=5284