Aurélien Lansmanne [
http://community.jboss.org/people/alansmanne] created the discussion
"How to browse the DLQ?"
To view the discussion, visit:
http://community.jboss.org/message/585449#585449
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Hello,
I've been trying to read the messages from the Jboss DLQ for some times... but without
success.
First, i've tried to use a QueueBrowser. I thought it could display the messages in
the DLQ as they are stuck there and never received by any client.
Queue DLQueue = ServiceLocator.getInstance().getQueue("queue/DLQ");
QueueConnectionFactory queueConnectionFactory =
ServiceLocator.getInstance().getQueueConnectionFactory("ConnectionFactory");
//Service locator is a wrapper that does (QueueConnectionFactory)
context.lookup("qConnFactoryName")
QueueConnection queueConnection = queueConnectionFactory.createQueueConnection();
QueueSession queueSession = queueConnection.createQueueSession(false,
Session.AUTO_ACKNOWLEDGE);
QueueBrowser DLQBrowser = queueSession.createBrowser(DLQueue);
Enumeration<?> dlqEnum = DLQBrowser.getEnumeration();
while (dlqEnum.hasMoreElements()) {
Object object = dlqEnum.nextElement();
// Do something with object
}
queueConnection.close();
But the enumeration is empty...
I've also tried to use the JMX-console. When I click on name=DLQ,service=Queue, then
listMessageCounter(), i can see that there are indeed 100 messages in the DLQ. But when I
try to browse them :
* listScheduledMessages() : empty ...
* listMessages() : empty...
* listInProcessMessages() : empty...
Then, I tried to open the HSQL database myself with DBVisualizer to browse the
JMS_MESSAGES table. But I was only able to see some messages IDS, but not the message
itself.
My last option is to use a Message Listener on the DLQ and do all the business to store
them somewhere I can easily access... if I can't use any of the previous options.
Any help is appreciated.
Aurélien Lansmanne.
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