[jboss-dev-forums] [Design of JBoss internal QA (Test Suite)] - Re: Testsuite issues with multicast routing (JBAS-4939)

[bstansberry@jboss.com]

I believe Adrian found the problem -- IPv6: see http://www.jboss.com/index.html?module=bb&op=viewtopic&t=123463 .

I've updated testsuite/imports/server-configs.xml to set java.net.preferIPv4Stack=true on all configs.

If I run the JGroups McastSenderTest and McastReceiverTest I can send messages from a process bound to localhost to a process bound to $MYTESTIP_1 on a number of QA lab machines.  But a process bound to localhost cannot receive the messages sent from localhost.  Specifying -Djava.net.preferIPv4Stack=true solves the problem.

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