[jboss-jira] [JBoss JIRA] (JGRP-2485) UDP is not working after upgarde to 3_6_19 from jgroups-3.4.0.Alpha2

[Bela Ban (Jira)]

    [ https://issues.redhat.com/browse/JGRP-2485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14187242#comment-14187242 ] 

Bela Ban commented on JGRP-2485:
--------------------------------

I suggest try your UDP config (as XML) with a sample standalone JGroups app (e.g. Chat), to see if communication works. Verify that UDP.bind_addr,bind_port,mcast_addr are all set correctly

> UDP is not working after upgarde to 3_6_19 from jgroups-3.4.0.Alpha2
> --------------------------------------------------------------------
>
>                 Key: JGRP-2485
>                 URL: https://issues.redhat.com/browse/JGRP-2485
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 3.6.19
>            Reporter: Janardhan Naidu
>            Assignee: Bela Ban
>            Priority: Major
>         Attachments: noapp.log.D20200619.T053202_NODE1
>
>
> Hi Team,
>  
> we just upgraded from  jgroups-3.4.0.Alpha2 to 3_6_19. post the UDP cluster communication is not working.
> after upgrade, we were hitting some warning as below and we solved those by changing property_string of UDP.
> *Warnings:*
> *WARNING: JGRP000014: Discovery.timeout has been deprecated: GMS.join_timeout should be used instead*
>  [2020-06-17 14:05:49.271] ALL 000000000000 GLOBAL_SCOPE Jun 17, 2020 2:05:49 PM org.jgroups.stack.Configurator resolveAndAssignField
>  *WARNING: JGRP000014: Discovery.num_initial_members has been deprecated: will be ignored*
> [2020-06-17 14:05:49.396] ALL 000000000000 GLOBAL_SCOPE Jun 17, 2020 2:05:49 PM org.jgroups.protocols.pbcast.NAKACK init
>  *WARNING: use_mcast_xmit should not be used because the transport (TCP) does not support IP multicasting; setting use_mcast_xmit to false*
>  
> To solve above warnings, we went through tcp.xml which was shipped using in 3_6_19 jar:
> and now our properties looks like:
> *property_string=UDP*(bind_addr=*hostIP*;bind_port=39061;mcast_addr=239.255.166.17;mcast_port=39060;ip_ttl=32;mcast_send_buf_size=150000;mcast_recv_buf_size=80000):PING:MERGE2(min_interval=5000;max_interval=10000):FD_ALL(interval=5000;timeout=20000):VERIFY_SUSPECT(timeout=1500):pbcast.NAKACK(use_mcast_xmit=true;retransmit_timeout=300,600,1200,2400,4800;discard_delivered_msgs=true):UNICAST:pbcast.STABLE(desired_avg_gossip=20000):FRAG(frag_size=8096):pbcast.GMS(join_timeout=5000;print_local_addr=true)
>  
> *distribution_property_string=TCP*(bind_port=39060;thread_pool_rejection_policy=run):TCPPING(async_discovery=true;initial_hosts=*hostIP*[39060];port_range=0;):MERGE2(min_interval=3000;max_interval=5000):FD_SOCK:FD(timeout=5000;max_tries=48):VERIFY_SUSPECT(timeout=1500):pbcast.NAKACK(use_mcast_xmit=false;discard_delivered_msgs=true;):pbcast.STABLE(stability_delay=1000;desired_avg_gossip=20000;max_bytes=0):pbcast.GMS(join_timeout=5000;print_local_addr=true)
>  
> *lock.protocolStack=UDP*(bind_addr=*hostIP*;bind_port=39062;mcast_addr=239.255.166.17;mcast_port=39069;ip_ttl=32;mcast_send_buf_size=150000;mcast_recv_buf_size=80000):PING:MERGE2(min_interval=5000;max_interval=10000):FD_ALL(interval=5000;timeout=20000):VERIFY_SUSPECT(timeout=1500):pbcast.NAKACK(use_mcast_xmit=true;retransmit_timeout=300,600,1200,2400,4800):UNICAST:pbcast.STABLE(desired_avg_gossip=20000):FRAG(frag_size=8096):pbcast.GMS(join_timeout=5000;print_local_addr=true):CENTRAL_LOCK(num_backups=2)
>  
>  
> With above properties, we are not seeing any warning or error. But still cluster communication is not working with UDP. 
> Please help me in resolving the same 
>  
> Thank 
> Janardhan



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