JMS message, RMI calls and OPMN, is it possible?

Hi all,
sorry if this ask is OT but i'm not sure where the question would be pubblished.
I would send a JMS message to the default demoQueue, but i'm not be able to establish the connection.
if i use this url:
java.naming.provider.url=opmn:ormi://remotehost:6004/home
with the port specified into the file opmn.xml:
<port local="6101" remote="6201" request="6004"/>
i receve the error
AVVERTENZA: Error in obtaining server list from OPMN on host quark.pisa.exis.it:6101. Please verify that OPMN is running.
javax.naming.NameNotFoundException: java:comp/env/jms/ConnectionFactory not found
at com.evermind.server.rmi.RMIClientContext.lookup(RMIClientContext.java:51)
at javax.naming.InitialContext.lookup(InitialContext.java:392)
at Sender.main(Sender.java:53)
instead if i use the url
java.naming.provider.url=ormi://remotehost:3204/home
with the rmi port obteined with opmnctl status -l
OC4J | home | 25380 | Alive | 734855204 | 61712 | 1193:02:~ | rmi:3204,jms:3704,ajp:3304
the program start e stay in wait without any message and terminate only with the keys combination CTRL+C.
Finally, i i try to use the url:
java.naming.provider.url=ormi://remotehost/home
i get the exception
java.net.ConnectException: Connection refused: connect
Can you help me?
Thanks a lot.
Alessandro
PS Obviusly i use this class: com.evermind.server.rmi.RMIInitialContextFactory.

Hi,
I discovered because i was not be able to connect: I used incorrect type library!
(i used 10.1.3 library for connect to 10.1.2 server; it seems to be not compatible, why?)
Now i have another problem. When the program arrive at this point:
// look up the ConnectionFactory
javax.jms.ConnectionFactory factory = (javax.jms.ConnectionFactory) ctx.lookup("jms/QueueConnectionFactory");
// create the connection
javax.jms.Connection connection = factory.createConnection();
it throwed the following exception:
Exception in thread "main" java.lang.NoSuchMethodError: javax.jms.ConnectionFactory.createConnection()Ljavax/jms/Connection;
Any idea?
Thanks.
Alessandro

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          Using WLS 6.1 and have experienced that JMS messages has not been delivered to
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          "Harald Stendal" <[email protected]> wrote:
          >
          >Using WLS 6.1 and have experienced that JMS messages has not been delivered
          >to
          >its consumer correctly. We are interested in any suggestions to what
          >has happend,
          >what can be done to avoid the problem in the future, or perhaps how we
          >can find
          >out more about the problem.
          >
          >We have a message driven bean A which sends messages to the queue Q,
          >of which
          >the message driven bean B is the only consumer.
          >What we recently have experienced is that some of the messages delivered
          >by A
          >to Q never are delivered to B. But the messages seems to be persisted
          >correctly,
          >because after a restart they reappear!
          >
          >Following is a more detailed description of the scenario:
          >
          >1. A message is sendt with DeliveryMode=PERSISTENT and TimeToLive=0.
          >QueueSender.send
          >is invoked and returns normally.
          >2. The consumers never gets the message (B.onMessage i never invoked
          >with this
          >message).
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          >~100 similar
          >messages are delivered normally.
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          >6. When the server restarts, the "lost" messages gets delivered to B.
          >
          >After the server restart we have not experienced the problem again.
          >
          >Logs does not show anything unusual about the previous restart.
          >
          >Other details:
          >There is always exatly 1 instance of A running, and 5-20 instances of
          >B. A implements
          >and uses a pool of javax.jms.XAQueueSession instances, which shares a
          >single instance
          >of javax.jms.XAQueueConnection. The aknowledge-mode for B is "Auto-aknowledge".
          >
          >We're using Weblogic Server 6.1.3.0 / Red Hat Linux 7.3.
          >
          >Any help on this problem is appreciated!
          >

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