[jboss-user] [Clustering/JBoss] - JBoss 4.2 TCP Clustering problem

agk do-not-reply at jboss.com
Wed Nov 5 18:31:05 EST 2008


I am upgrading JBoss from 4.0.5 to 4.2.3 and unable to set up clustering on the new version. I have spent quite a bit of time reading clustering FAQ and Wiki\JbossHA.  I was unable to find a good TCP clustering example for 4.2.x.  I have JBoss installed on 2 windows boxes and starting it with -c all.  I cannot get the JGroups layer to work - nodes don't discover each other: the log on each box always show:

2008-11-05 15:40:07,263 INFO  [org.jboss.ha.framework.interfaces.HAPartition.DefaultPartition] Number of cluster members: 1
2008-11-05 15:40:07,263 INFO  [org.jboss.ha.framework.interfaces.HAPartition.DefaultPartition] Other members: 0
2008-11-05 15:40:07,263 INFO  [org.jboss.ha.framework.interfaces.HAPartition.DefaultPartition] Fetching state (will wait for 30000 milliseconds):
2008-11-05 15:40:14,326 INFO  [org.jboss.ha.framework.interfaces.HAPartition.DefaultPartition] State could not be retrieved (we are the first member in group)

I am using TCP transport and my config in cluster-service.xml is like this:

   <TCP bind_addr="box1" start_port="7800" loopback="true"
	 tcp_nodelay="true"
	 recv_buf_size="20000000"
	 send_buf_size="640000"
	 discard_incompatible_packets="true"
	 enable_bundling="false"
	 max_bundle_size="64000"
	 max_bundle_timeout="30"
	 use_incoming_packet_handler="true"
	 use_outgoing_packet_handler="false"
	 down_thread="false" up_thread="false"
	 use_send_queues="false"
	 sock_conn_timeout="300"
	 skip_suspected_members="true"/>
	<TCPPING initial_hosts="box1[7800],box2[7800]" port_range="3"
		 timeout="3000"
		 down_thread="true" up_thread="true"
		 num_initial_members="3"/>
	<MERGE2 max_interval="100000"
		down_thread="true" up_thread="true" min_interval="50000"/>
	<FD_SOCK down_thread="true" up_thread="true"/>
	<FD timeout="10000" max_tries="5" down_thread="true" up_thread="true" shun="true"/>
	<VERIFY_SUSPECT timeout="1500" down_thread="false" up_thread="false"/>
	<pbcast.NAKACK max_xmit_size="60000"
	   use_mcast_xmit="false" gc_lag="100"
	   retransmit_timeout="300,600,1200,2400,4800"
	   down_thread="true" up_thread="true"
	   discard_delivered_msgs="true"/>
	<pbcast.STABLE stability_delay="1000" desired_avg_gossip="50000"
	   down_thread="false" up_thread="false"
	   max_bytes="400000"/>
	<pbcast.GMS print_local_addr="true" join_timeout="3000"
		down_thread="true" up_thread="true"
		join_retry_timeout="2000" shun="false"
		view_bundling="true"/>
	<pbcast.STATE_TRANSFER down_thread="true" up_thread="true" use_flush="true"/>
 
 
Please help!
A working config example for JBoss 4.2 would help a lot.

Thank you,
Alex

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