[jboss-jira] [JBoss JIRA] Commented: (JGRP-792) JGroups ignores mcast_addr attribute in XML when "jgroups.udp.mcast_addr" is set

[Bela Ban (JIRA)]

    [ http://jira.jboss.com/jira/browse/JGRP-792?page=comments#action_12419050 ] 
            
Bela Ban commented on JGRP-792:
-------------------------------

We *do* variable substitution, exactly like you described it ! E.g.:
 <UDP 
         mcast_addr="${jgroups.udp.mcast_addr:232.15.15.15}"
         mcast_port="${jgroups.udp.mcast_port:45000}"
         tos="8"
...
/>

> JGroups ignores mcast_addr attribute in XML when "jgroups.udp.mcast_addr" is set
> --------------------------------------------------------------------------------
>
>                 Key: JGRP-792
>                 URL: http://jira.jboss.com/jira/browse/JGRP-792
>             Project: JGroups
>          Issue Type: Bug
>    Affects Versions: 2.6.2
>         Environment: linux, JDK 1.6, JBoss 4.2.1.GA
>            Reporter: Jacek Gerbszt
>         Assigned To: Bela Ban
>
> JGroups seems to ignore mcast_addr attribute of <UDP/> element in XML configuration file used as a parameter in JChannel constructor,  when the system property "jgroups.udp.mcast_addr" is set.
> This behaviour has been observed on JBoss 4.2.1.GA started with an argument: -u 239.192.0.5. I'm trying to connect to group in the start() method of my MBean:
> public void start() throws ChannelException {
> 		channel = new JChannel("my-udp.xml");
> 		channel.connect("MyGroup");
> 		UDP udp = (UDP) channel.getProtocolStack().findProtocol(UDP.class);
> 		log.info(udp.getInfo());
> }
> Unfortunately log.info() shows that channel is connected to 239.192.0.5 instead of IP configured in my-udp.xml. 
> It is a big problem when you want to connect from jboss to two different groups with two different multicast addresses.

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