Re: Can not consume messages which are sent to temp queue using 2 different camel contexts

[Andreas Gies]

Hi,

this is because JMS temporary Objects are usually bound to the connect 
in which they have been created.
Therefore these are invisible elsewhere. You are using contexts and I 
would assume you are using the normal setup
and hace 2 connections.
This is why it doesn't work with a temp queue, but it does with a normal 
queue.

Best regards
Andreas

On 09/08/2013 05:14 PM, Nhan Nguyen wrote:
Hi all,

I have 2 machines, one for producer and one for consumer. Sometime I need to
create some temp queues for sending/receiving messages. But I see that I can
not use temp queue this case. All messages are lot. I suspect the cause is
due to using 2 different camel contexts so I wrote below code to test:

JmsEndpoint endpoint1 =
c1.getCamelContext().getEndpoint("activemq:temp:queue:t",
JmsEndpoint.class);
        JmsEndpoint endpoint2 =
c2.getCamelContext().getEndpoint("activemq:temp:queue:t",
JmsEndpoint.class);
        
        Consumer consumer = endpoint2.createConsumer(new Processor() {
                        
                        @Override
                        public void process(Exchange exchange) throws Exception 
{
                                System.out.println(exchange.getIn().getBody());
                        }
                });
        consumer.start();
        
        ProducerTemplate producer =
c1.getCamelContext().createProducerTemplate();
        
        Exchange exchange = endpoint1.createExchange();
        exchange.getIn().setBody("test");
        producer.send(endpoint1, exchange);

And the result the consumer could not receive message "test"... I changed
the temp queue "t" to physical queue ("activemq:queue:t") and it works
fine...

Can someone explain the reason and how can I use temp queue this case?

I am using ActiveMQ 5.8.0 and Camel 2.11.0.

Thanks,
Nhan



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