I have successfully deployed and executed IBM's WSMQ JCA Resource Installation
and Verification Test application (wmq.jmsra.ivt.ear) on my JBoss 5.1 AS
instance.
The IVT app establishes on my JBoss instance a
Resource-->ConnectionFactory-->TxConnectionFactory named 'IVTCF' that is
visible from my JBoss 5 Admin console. Running the IVT app's Servlet example
confirms that JMS code referencing the 'IVTCF' correctly uses the configured
JCA adapter to produce a Message on an IBM WS MQ hosted Queue. Running the IVT
app's MDB example confirms that I can also consume Messages from the exact same
IBM WS MQ Queue.
Unfortunately, I don't have the IVT.ear .java source code so I don't have an
explicit example of how this is achieved with explicit JMS code. I tried to
execute the following producer, using the same 'IVTCF' TxConnectionFactory, but
the runtime value of the 'factory' assignment always NULL. And thus the last
line of this code is always an NPE.
|
| Properties props = new Properties();
|
props.setProperty(Context.INITIAL_CONTEXT_FACTORY,"org.jnp.interfaces.NamingContextFactory");
|
props.setProperty(Context.PROVIDER_URL,"jnp://10.4.164.105:11099");
|
|
| Context ctx = new InitialContext(props);
|
|
| javax.jms.ConnectionFactory factory =
(javax.jms.ConnectionFactory)ctx.lookup("IVTCF");
|
| // 'factory' always value = NULL at his time, why?
| System.out.println("'IVTCF' ConnectionFactory
established! IVTCF=["+factory+"]");
|
| //NPE
| Connection conn = factory.createConnection();
|
This code is using the exact same 'IVTCF' ConnectionFactory used by the IVT.ear
servlet and MDB (both of which run successfully).
Any suggestions on what might be wrong with the above code segment?
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