Re: [jgroups-dev] JGroups preference for IPv6
Brian Stansberry <[email protected]>
| Newsgroups | gmane.comp.java.javagroups.devel |
|---|---|
| Message-ID | <[email protected]> |
On 04/12/2010 11:52 PM, Bela Ban wrote: > > > Brian Stansberry wrote: >> >> On 04/12/2010 02:47 AM, Bela Ban wrote: >>> This won't work: even though you *could* have a dual stack, unless you >>> set one of the java.net.preferXXX flags, the JVM picks an IPv6 stack by >>> default ! >>> >>> So a class D IPv4 address, e.g. 239.5.5.5, will fail the creation of the >>> MulticastSocket in UDP (cannot bind to 239.5.5.5), and we're back to >>> having promiscuous traffic. >>> >> >> Hmm. That maybe explains why this is suddenly showing up as a problem >> on Macs??? On a Mac you don't try to bind the MulticastSocket to the >> multicast address; you use new MulticastSocket(int port) and it's >> bound to IN_ADDR_ANY. So the IPv4 multicast addresses JBoss shipped >> with worked with JGroups 2.5.x. Now with the 2.10 upgrade the >> JGRP-1152 check causes a failure. > > Can you try with CVS head (I committed my change yesterday) ? > Will do. -- Brian Stansberry Lead, AS Clustering JBoss by Red Hat ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Javagroups-development mailing list