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https://issues.apache.org/jira/browse/AMQ-4793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13790728#comment-13790728
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ritesh commented on AMQ-4793:
-----------------------------
Thanks for the reply.
Ok, I will use receive(timeout), but my problem is it's not guaranty that every
time when i ask for message(with messageSelector) message will be there.
So, take below same example if my messageSelector is "JMSCorrelationID =
'4544'", now there is no match for this selector and using .receive(1000).
Consumer will wait for 1000ms unnecessary. Which does impact on my performance
any other way i can use messageSelector and didn't wait for amount of time
specified with receive (if message is not there). This problem occurs only if
no match messageSelector.
> issue with messageSelector
> --------------------------
>
> Key: AMQ-4793
> URL: https://issues.apache.org/jira/browse/AMQ-4793
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Reporter: ritesh
>
> Having issue with message selector.
> Message is already there in queue (I can confirm with activeMQ browser app).
> Create consumer with messageSelector and do consumer.receiveNoWait() always
> receive NULL message.
> Have only three message in queue.
> code sample...
> try
> {
>
> ActiveMQConnectionFactory connectionFactory = new
> ActiveMQConnectionFactory("tcp://localhost:61616");
> Connection connection= connectionFactory.createConnection();
> connection.start();
> Session session=
> connection.createSession(false,Session.AUTO_ACKNOWLEDGE);
> Destination queueDestination = session.createQueue("TestQueue");
> //using activeMq browser app i can see message is there with
> JMSCorrelationID=12345
> String messageSelector= "JMSCorrelationID = '12345'";
> MessageConsumer consumer=
> session.createConsumer(queueDestination,messageSelector);
> Message message= consumer.receiveNoWait();
> if(message==null)
> {
> // always return null message
> //log message not found
> }
>
> }
> catch (Exception e)
> {
> }
> But, if do this it’s works …
> For(int i=0; i< 7; i++)
> {
> Thread.sleep(100);
> message= consumer.receiveNoWait();
> If(message!=null)
> Break;
> }
> please help me what am i doing wrong?
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