Re: [javagroups-users] DistributedHashtable disconnected

[Bela B. <be...@ya...>]

Look okay, except you should increase ip_ttl.

Please go through the troubleshooting section of INSTALL.html in the src 
distro

Marius Scurtescu wrote:

> Hi,
>
> We are trying to use a DistributedHashtable on a cluster of 2 
> computers. The configuration is:
>
> <config>
>     <UDP mcast_recv_buf_size="64000" mcast_send_buf_size="32000" 
> mcast_port="45566" ucast_recv_buf_size="64000" 
> use_incoming_packet_handler="false" mcast_addr="228.8.8.8" 
> use_outgoing_packet_handler="false" loopback="true" 
> ucast_send_buf_size="32000" ip_ttl="1"/>
>     <AUTOCONF />
>     <PING timeout="2000" num_initial_members="3"/>
>     <MERGE2 max_interval="10000" min_interval="5000"/>
>     <FD_SOCK />
>     <VERIFY_SUSPECT timeout="1500"/>
>     <pbcast.NAKACK max_xmit_size="8192" gc_lag="50" 
> retransmit_timeout="600,1200,2400,4000"/>
>     <UNICAST timeout="1000,1500,2000"/>
>     <pbcast.STABLE stability_delay="1000" desired_avg_gossip="20000" 
> max_bytes="0"/>
>     <FRAG frag_size="8192" down_thread="false" up_thread="false"/>
>     <pbcast.GMS print_local_addr="true" join_timeout="3000" 
> join_retry_timeout="2000" shun="true"/>
>     <pbcast.STATE_TRANSFER />
> </config>
>
> The problem is that the two applications will start and then connect 
> to their own group, they never join. UDP multicast packets are going 
> back and forth between the two machines.
>
> We also tried ip_ttl="32" and mcast_addr="228.1.2.3". We use JGroups 
> 2.2.7 and also tried 2.2.8.
>
> Any clues why the two applications will not connect?
>
> Thanks,
> Marius
>
>
>
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-- 
Bela Ban
Lead JGroups / JBossCache
callto://belaban