[Building Sakai] Clustering portal chat

[Adrian Fish]

Alternatively, you can supply params to jgroups via system properties.

*-Djgroups.udp.mcast_addr=xxx.xxx.xxx.xxx -Djgroups.udp.mcast_port=xx*
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*I got that from here:*
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*https://community.jboss.org/wiki/SystemProps?_sscc=t
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*cheers again,*
*Adrian.*


On 16 July 2013 23:28, Omer A Piperdi <omer at rice.edu> wrote:

> We are trying to set up neo portal chat in a cluster environment and I
> am not able to successfully configured. It only works when users login
> into same machine, if a user is logged into another machine, chat tool
> says "User is offline" even the user is not offline.
>
> Here is what I have done with the settings. Since I want to use specific
> address and port for multi-casting, so I created jgroups-config.xml file
> under tomcat/sakai folder. But I don't think Sakai is loading the
> mcast_addr and mcast_port that I specify in the file.
>
> I get this message during startup..
> -------------------------------------------------------------------
> GMS: address=sakaidev-n1-32110, cluster=owlspacechat, physical
> address=10.64.93.212:33844
> -------------------------------------------------------------------
> 2013-07-16 17:11:22,532  INFO localhost-startStop-1
> org.sakaiproject.portal.chat.entity.PCServiceEntityProvider - Portal
> chat is connected on JGroups channel 'owlspacechat'
>
> But the physical address here is the ip address of the host, not the
> mcast_addr that I specified in config file..
>
> Where should I put the mcast_address so that both machine use the same
> address???
>
> Thanks
> Omer
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