[jboss-dev] JGroup Oddness.. GMS?

[mike cann]

Hi Cheers,

I have just posted the same question to the JBoss forums:
http://community.jboss.org/thread/145816

javagroups-users at lists.sourceforge.net is that JGroups or just generic java?

Mike


2009/12/14 Brian Stansberry <brian.stansberry at redhat.com>

> Your best bet is to use the JGroups user mail list
>
> javagroups-users at lists.sourceforge.net
>
> https://lists.sourceforge.net/lists/listinfo/javagroups-users
>
> On 12/14/2009 03:24 PM, Ales Justin wrote:
> > Try the forums, user forums in particular.
> > * http://community.jboss.org/
> >
> > mike cann wrote:
> >> Hi List,
> >>
> >> Only just joined, im not sure if this is the right place to post or not
> >> so let me know if it isnt.
> >>
> >> Im trying to use JGroups in a project.
> >>
> >> First things first tried running a very simple example but couldnt get
> >> the two machines to talk to each other, i read all the documentation but
> >> still couldnt work out why.
> >>
> >> I tried using the webstart demo of the draw (found here
> >> http://www.jgroups.org/demos.html) thats actually the replicatedcache
> >> demo and to my surprise it worked.
> >>
> >> I downloaded the .jar that the jnlp uses and ran it from the command
> >> line and got:
> >>
> >>
> >> ---------------------------------------------------------
> >> GMS: address is 192.168.1.69:54939<http://192.168.1.69:54939>
> >> (cluster=replcache-cluster)
> >> ---------------------------------------------------------
> >>
> >>
> >>
> >> Now when I tried to run the ReplCacheDemo from within the
> >> jgroups-all.jar I get the following:
> >>
> >>
> >>
> >> java -cp jgroups-all.jar org.jgroups.demos.ReplCacheDemo
> >>
> >> 14-Dec-2009 20:17:24 org.jgroups.logging.JDKLogImpl info
> >> INFO: JGroups version: 2.8.0.CR7
> >>
> >> -------------------------------------------------------------------
> >> GMS: address=M-Win7-38823, cluster=replcache-cluster, physical
> >> address=fe80:0:0:
> >> 0:69e5:8edf:3e90:e817:62330
> >> -------------------------------------------------------------------
> >>
> >>
> >> So im not sure whats going on here, it looks like the jnlp demo is using
> >> a different GMS (?) settings to the one in jgroups-all.jar, so I tried
> >> to take the udp.xml file from the jnlp jar and use it in a simple
> >> example and I get the follwing errors:
> >>
> >>
> >>
> >> 14-Dec-2009 21:12:12 org.jgroups.logging.JDKLogImpl info
> >> INFO: JGroups version: 2.8.0.CR7
> >> Exception in thread "main" org.jgroups.ChannelException: unable to setup
> >> the protocol stack
> >>          at org.jgroups.JChannel.init(JChannel.java:1706)
> >>          at org.jgroups.JChannel.<init>(JChannel.java:243)
> >>          at org.jgroups.JChannel.<init>(JChannel.java:226)
> >>          at jgroupssimple.Main.main(Main.java:25)
> >> Caused by: java.lang.Exception: unable to load class for protocol
> >> (either as an absolute -  - or relative - org.jgroups.protocols. -
> >> package name)!
> >>          at
> >>
> org.jgroups.stack.Configurator$ProtocolConfiguration.createLayer(Configurator.java:1244)
> >>          at
> >>
> org.jgroups.stack.Configurator$ProtocolConfiguration.access$000(Configurator.java:1135)
> >>          at
> >> org.jgroups.stack.Configurator.createProtocols(Configurator.java:368)
> >>          at
> >> org.jgroups.stack.Configurator.setupProtocolStack(Configurator.java:88)
> >>          at
> >> org.jgroups.stack.Configurator.setupProtocolStack(Configurator.java:54)
> >>          at
> org.jgroups.stack.ProtocolStack.setup(ProtocolStack.java:452)
> >>          at org.jgroups.JChannel.init(JChannel.java:1702)
> >>          ... 3 more
> >> Java Result: 1
> >> BUILD SUCCESSFUL (total time: 0 seconds)
> >>
> >>
> >>
> >> Anyone any clues as to whats going on here?
> >> Cheers for your time :)
> >> Mike
> >>
> >>
> >>
> >>
> >>
> >> --
> >> Mike Cann
> >> http://www.mikecann.co.uk/
> >> http://www.artificialgames.co.uk/
> >>
> >>
> >> ------------------------------------------------------------------------
> >>
> >> _______________________________________________
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> >> jboss-development at lists.jboss.org
> >> https://lists.jboss.org/mailman/listinfo/jboss-development
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> > https://lists.jboss.org/mailman/listinfo/jboss-development
>
>
> --
> Brian Stansberry
> Lead, AS Clustering
> JBoss by Red Hat
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>



-- 
Mike Cann
http://www.mikecann.co.uk/
http://www.artificialgames.co.uk/
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