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Message-ID: <4e6f67720605010543h4e89da49wc4b121091da7e58a@mail.gmail.com>
Date: Mon, 1 May 2006 13:43:10 +0100
From: "Jamie McCrindle" <jamiemccrindle@gmail.com>
To: activemq-users@geronimo.apache.org
Subject: Re: peer configuration
In-Reply-To: <4e6f67720604280802g5e44e656yb07790c6dc256535@mail.gmail.com>
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References: <4e6f67720604280802g5e44e656yb07790c6dc256535@mail.gmail.com>

any thoughts?

i want to get an embedded broker with zero-conf up and running. it's
working fine using an external broker but i really like the idea of
being able to cluster by just starting up new copies of the app on the
same subnet.

cheers,
j.

On 4/28/06, Jamie McCrindle <jamiemccrindle@gmail.com> wrote:
> hi,
>
> I'm running with the latest activemq 4.0 snapshots and i'm trying to
> set up a couple of embedded brokers but i'm getting this error:
>
> [BpmScript] INFO [ActiveMQ Task] DemandForwardingBridge.serviceLocalExcep=
tion(33
> 9) | Network connection between vm://broker1#6 and tcp://localhost/127.0.=
0.1:154
> 6 shutdown: null
> java.lang.NullPointerException
>         at org.apache.activemq.network.DemandForwardingBridgeSupport.conf=
igureMe
> ssage(DemandForwardingBridgeSupport.java:361)
>         at org.apache.activemq.network.DemandForwardingBridgeSupport.serv=
iceLoca
> lCommand(DemandForwardingBridgeSupport.java:382)
>         at org.apache.activemq.network.DemandForwardingBridgeSupport$1.on=
Command
> (DemandForwardingBridgeSupport.java:111)
>         at org.apache.activemq.transport.ResponseCorrelator.onCommand(Res=
ponseCo
> rrelator.java:88)
>         at org.apache.activemq.transport.TransportFilter.onCommand(Transp=
ortFilt
> er.java:70)
>         at org.apache.activemq.transport.vm.VMTransport.oneway(VMTranspor=
t.java:
> 75)
>         at org.apache.activemq.transport.MutexTransport.oneway(MutexTrans=
port.ja
> va:44)
>         at org.apache.activemq.transport.ResponseCorrelator.oneway(Respon=
seCorre
> lator.java:55)
>         at org.apache.activemq.broker.TransportConnection.dispatch(Transp=
ortConn
> ection.java:211)
>         at org.apache.activemq.broker.AbstractConnection.processDispatch(=
Abstrac
> tConnection.java:568)
>         at org.apache.activemq.broker.AbstractConnection.iterate(Abstract=
Connect
> ion.java:584)
>         at org.apache.activemq.thread.SimpleTaskRunner.runTask(SimpleTask=
Runner.
> java:110)
>         at org.apache.activemq.thread.SimpleTaskRunner.access$100(SimpleT=
askRunn
> er.java:25)
>         at org.apache.activemq.thread.SimpleTaskRunner$1.run(SimpleTaskRu=
nner.ja
> va:43)
>         at edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecu=
tor$Wor
> ker.runTask(ThreadPoolExecutor.java:650)
>         at edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecu=
tor$Wor
> ker.run(ThreadPoolExecutor.java:675)
>         at java.lang.Thread.run(Thread.java:595)
>
> this is what my activemq configuration looks like:
>
> <!-- START SNIPPET: xbean -->
> <beans xmlns=3D"http://activemq.org/config/1.0">
>
>   <broker useJmx=3D"true">
>
>     <transportConnectors>
>        <transportConnector uri=3D"tcp://localhost:0"
> discoveryUri=3D"multicast://default"/>
>     </transportConnectors>
>
>     <networkConnectors>
>       <networkConnector uri=3D"multicast://default"/>
>     </networkConnectors>
>
>     <persistenceAdapter>
>       <memoryPersistenceAdapter/>
>     </persistenceAdapter>
>
>   </broker>
> </beans>
>
>
> and this is what the spring beans config for my
> activemqconnectionfactory looks like:
>
>       <bean class=3D"org.apache.activemq.ActiveMQConnectionFactory">
>         <constructor-arg value=3D"peer://groupa/broker1?persistent=3Dfals=
e"/>
>       </bean>
>
> any ideas?
>
> Regards,
> Jamie.
>