Re: [jgroups-users] JGroups SimpleChat - not working - Need help

Actually, are you using this on Azure? Then UDP:PING won't work as IP 
multicasting is not supported on Azure. What's your config?

On 03/10/18 12:43, Questions/problems related to using JGroups wrote:
> Hi Bela,
> 
> Thank you so much, your replies to users questions are awesome. But mine is
> something different, which I couldn't able to figure it out. It would be of
> great help if you could throw some light on this.
> 
> We are using JGroups v3.6.10.Final & ehcache-jgroupsreplication v1.7 with 2
> nodes. Ours is a Mobile chat application using WebSocket.
> Each node is configuired for 2 different URLs like cluster01.xxxx.xxxx &
> cluster02.xxxx.xxxx.
> The chat app is installed in 2 different mobiles one is pointing to 01 &
> other is pointing to 02. The chat messages are not getting replicated. I
> also tried the SampleChat.java even this is not replicating, please can you
> suggest the what would be the reason.
> 
> Logs of Node 1 :
> 
> azureuser@Cluster1:~/Sample$ java -cp
> JGroupsDemo.jar:./libs/jgroups-3.6.10.Final.jar demo.SimpleChat
> Oct 03, 2018 10:13:08 AM org.jgroups.protocols.UDP setBufferSize
> WARNING: JGRP000015: the send buffer of socket MulticastSocket was set to
> 5MB, but the OS only allocated 212.99KB. This might lead to performance
> problems. Please set your max send buffer in the OS correctly (e.g.
> net.core.wmem_max on Linux)
> Oct 03, 2018 10:13:08 AM org.jgroups.protocols.UDP setBufferSize
> WARNING: JGRP000015: the receive buffer of socket MulticastSocket was set to
> 5MB, but the OS only allocated 212.99KB. This might lead to performance
> problems. Please set your max receive buffer in the OS correctly (e.g.
> net.core.rmem_max on Linux)
> Oct 03, 2018 10:13:08 AM org.jgroups.protocols.UDP setBufferSize
> WARNING: JGRP000015: the send buffer of socket MulticastSocket was set to
> 5MB, but the OS only allocated 212.99KB. This might lead to performance
> problems. Please set your max send buffer in the OS correctly (e.g.
> net.core.wmem_max on Linux)
> Oct 03, 2018 10:13:08 AM org.jgroups.protocols.UDP setBufferSize
> WARNING: JGRP000015: the receive buffer of socket MulticastSocket was set to
> 5MB, but the OS only allocated 212.99KB. This might lead to performance
> problems. Please set your max receive buffer in the OS correctly (e.g.
> net.core.rmem_max on Linux)
> 
> -------------------------------------------------------------------
> GMS: address=Cluster1-28825, cluster=ChatCluster, physical
> address=fe80:0:0:0:20d:3aff:fea1:6b7%2:42116
> -------------------------------------------------------------------
> ** view: [Cluster1-28825|0] (1) [Cluster1-28825]
>>
> 
> 
> Logs of Node 2 :
> 
> azureuser@Cluster2:~/Sample$ java -cp
> JGroupsDemo.jar:./libs/jgroups-3.6.10.Final.jar demo.SimpleChat
> Oct 03, 2018 10:14:25 AM org.jgroups.protocols.UDP setBufferSize
> WARNING: JGRP000015: the send buffer of socket MulticastSocket was set to
> 5MB, but the OS only allocated 212.99KB. This might lead to performance
> problems. Please set your max send buffer in the OS correctly (e.g.
> net.core.wmem_max on Linux)
> Oct 03, 2018 10:14:25 AM org.jgroups.protocols.UDP setBufferSize
> WARNING: JGRP000015: the receive buffer of socket MulticastSocket was set to
> 5MB, but the OS only allocated 212.99KB. This might lead to performance
> problems. Please set your max receive buffer in the OS correctly (e.g.
> net.core.rmem_max on Linux)
> Oct 03, 2018 10:14:25 AM org.jgroups.protocols.UDP setBufferSize
> WARNING: JGRP000015: the send buffer of socket MulticastSocket was set to
> 5MB, but the OS only allocated 212.99KB. This might lead to performance
> problems. Please set your max send buffer in the OS correctly (e.g.
> net.core.wmem_max on Linux)
> Oct 03, 2018 10:14:25 AM org.jgroups.protocols.UDP setBufferSize
> WARNING: JGRP000015: the receive buffer of socket MulticastSocket was set to
> 5MB, but the OS only allocated 212.99KB. This might lead to performance
> problems. Please set your max receive buffer in the OS correctly (e.g.
> net.core.rmem_max on Linux)
> 
> -------------------------------------------------------------------
> GMS: address=Cluster2-61743, cluster=ChatCluster, physical
> address=fe80:0:0:0:20d:3aff:fea0:717f%2:59327
> -------------------------------------------------------------------
> ** view: [Cluster2-61743|0] (1) [Cluster2-61743]
>> hi
>> Cluster2-61743: [azureuser] hi
> 
> 
> Thanks in advance.
> 
> Brady...
> 
> 
> 
> 
> --
> Sent from: http://jgroups.1086181.n5.nabble.com/JGroups-General-f3.html
> 
> 
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> 

-- 
Bela Ban | http://www.jgroups.org