[jboss-jira] [JBoss JIRA] Commented: (JGRP-666) The thread is blocked when join the group.

[Vladimir Blagojevic (JIRA)]

    [ http://jira.jboss.com/jira/browse/JGRP-666?page=comments#action_12403291 ] 
            
Vladimir Blagojevic commented on JGRP-666:
------------------------------------------

This is not a bug but a well known issue related to lowering of the FD timeout.

> The thread is blocked when join the group.
> ------------------------------------------
>
>                 Key: JGRP-666
>                 URL: http://jira.jboss.com/jira/browse/JGRP-666
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 2.6.1
>         Environment: Windox XP  Sun JDK 1.5 ; Jgroup 2.6.1
>            Reporter: Liu Torr
>         Assigned To: Bela Ban
>             Fix For: 2.7
>
>         Attachments: TestJoin.java, udp.xml
>
>
> Run this test case in three window that we can all them as A, B, C. after starting all these tree, then stop C first and resart it quickly, then B, and A.
> public class TestJoin {
> 	public static final String DEFAULT_PROTOCOL_STACK=
> 		"UDP(mcast_addr=228.8.8.8;mcast_port=45566;ip_ttl=32;mcast_send_buf_size=150000;" +
> 		"mcast_recv_buf_size=80000):" +
> 		"PING(timeout=2000;num_initial_members=2):MERGE2(min_interval=5000;max_interval=10000):" +
> 		"FD_SOCK:" +
> 		"FD(timeout=10000;max_tries=5;shun=true):" +
> 		"VERIFY_SUSPECT(timeout=12500):" +
> 		"pbcast.NAKACK(gc_lag=50;retransmit_timeout=300,600,1200,2400,4800;max_xmit_size=8192):" +
> 		"UNICAST(timeout=300,600,1200,2400):pbcast.STABLE(desired_avg_gossip=20000):" +
> 		"FRAG(frag_size=8096;down_thread=false;up_thread=false):" +
> 		"pbcast.GMS(join_timeout=5000;join_retry_timeout=2000;shun=false;print_local_addr=false)";
> 	
> 	public static void main(String[] args)
> 	{
> 		NotificationBus bus;
> 		try {
> 			bus = new NotificationBus ( "test", DEFAULT_PROTOCOL_STACK );
> 			bus.getChannel ().setOpt ( Channel.LOCAL, Boolean.FALSE );
> 	        bus.start ();
> 		} catch (Exception e) {
> 			// TODO Auto-generated catch block
> 			e.printStackTrace();
> 		}
> 		
> 		while(true)
> 		{
> 			System.out.println("******************************************");
> 			try {
> 				Thread.sleep(5000);
> 			
> 			} catch (InterruptedException e) {
> 				// TODO Auto-generated catch block
> 				e.printStackTrace();
> 			}
> 		}
> 	}
> }
> And after that, the A and B will be blocked for joining the group. here is hte console output:
> (it should join the group and output the ****************)
> 2008-1-18 10:49:15 org.jgroups.JChannel init
> Info: JGroups version: 2.6.1
> 2008-1-18 10:49:16 org.jgroups.protocols.pbcast.NAKACK setProperties
> Warn: max_xmit_size was deprecated in 2.6 and will be ignored
> 2008-1-18 10:49:16 org.jgroups.stack.Protocol setPropertiesInternal
> Warn: down_thread was deprecated and is ignored
> 2008-1-18 10:49:16 org.jgroups.stack.Protocol setPropertiesInternal
> Warn: up_thread was deprecated and is ignored
> 2008-1-18 10:49:16 org.jgroups.protocols.pbcast.GMS setProperties
> Warn: join_retry_timeout has been deprecated and its value will be ignored
> 2008-1-18 10:49:21 org.jgroups.protocols.pbcast.ClientGmsImpl join
> Warn: join(10.70.148.165:1371) sent to 10.70.148.165:1350 timed out (after 5000 ms), retrying
> 2008-1-18 10:49:26 org.jgroups.protocols.pbcast.ClientGmsImpl join
> Warn: join(10.70.148.165:1371) sent to 10.70.148.165:1350 timed out (after 5000 ms), retrying
> 2008-1-18 10:49:31 org.jgroups.protocols.pbcast.ClientGmsImpl join
> Warn: join(10.70.148.165:1371) sent to 10.70.148.165:1350 timed out (after 5000 ms), retrying
> 2008-1-18 10:49:36 org.jgroups.protocols.pbcast.ClientGmsImpl join
> Warn: join(10.70.148.165:1371) sent to 10.70.148.165:1350 timed out (after 5000 ms), retrying
> 2008-1-18 10:49:41 org.jgroups.protocols.pbcast.ClientGmsImpl join
> Warn: join(10.70.148.165:1371) sent to 10.70.148.165:1350 timed out (after 5000 ms), retrying
> 2008-1-18 10:49:46 org.jgroups.protocols.pbcast.ClientGmsImpl join
> Warn: join(10.70.148.165:1371) sent to 10.70.148.165:1350 timed out (after 5000 ms), retrying
> I have used Jgroups 2.2.9, and the same problem happened (different console output with more message trace information.).

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