Problem using Message-Selector

Hi,
out client-application subscribe to a JMS-topic on OC4J (9.0.3) using the following code
TopicConnectionFactory oConnectionFactory = (TopicConnectionFactory) ctx.lookup("jms/MyTopicConnectionFactory");
oConnection = oConnectionFactory.createTopicConnection();
oTopicSession = oConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
Topic topic = (Topic)ctx.lookup("jms/MyTopic");
TopicSubscriber sub = oTopicSession.createSubscriber(topic);
Everything works fine.
But when we replace the last line to use Message-Selectors
TopicSubscriber sub = oTopicSession.createSubscriber(topic,"username = 'abc'",false);
we get the following (strange) error (which occurs at excactly that line)
javax.jms.InvalidDestinationException: Invalid topic
The topic can't be invalid, because we could subscribe without Message-Selector. Do I have to modify the topic at the JMS-Configuration? Any ideas?
Thanks,
Gilbert

Hi Gilbert,
The way I've done it is by defining the rule when creating the subscriber in the database (thru DBMS_AQ). The following document might give you some insight.
http://otn.oracle.com/pls/db92/db92.show_toc?partno=a96587&remark=drilldown&word=DBMS_AQ
HTH.

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I want JMS adapter to consume messages based on field "MessageID" =1006 in my message.
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Thanks in advance.
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When i am going MEssage Selectors topic in web , it seems very confusing for me .
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Yes
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Yes
I am able to specify JMS Header and JMS Properties when producing a message. However I am not able to user "Message Selector" to filter messages based on JMS Properties information when consuming messages.
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# (a copy from the link)
Message Selector
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* JMSType = 'car' AND color = 'blue' AND weight > 2500
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I believe the example with "Country" is exactly what I need, but I can´t get it work.
I create the same example above, setting a property named "Country" in the JMSHeader, sending the message to a JMS Queue (BPEL Process #1) and try to comsume it on the Message Selector (BPEL Process#2), but JMSAdapter never consumes the message.
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