Hello:

I'm trying to use Camel (v 2.6.0) JMS Request/Reply with Websphere 7 using 
Websphere MQ.  I'm successfully able to put the request message onto the 
queue using the following URI:

jms:queue:inboundQueue?connectionFactory=#connectionFactory&taskExecutor=#taskExecutor&transactionManager=#transactionManager&cacheLevelName=CACHE_NONE&replyTo=outboundQueue&requestTimeout=120000

Note: I have to use cacheLevelName=CACHE_NONE in order for this to work on 
Websphere.

However, when Camel creates the PersistentQueueMessageListenerContainer to 
read the reply message, it is hard coding the cache level to CACHE_SESSION 
(see PersistentQueueReplyManager.java line 192).  What happens is that 
Camel is successfully able to read the reply off the queue, but then spits 
out the following error repeatedly:

23 Dec 2011 09:23:32,427|||WorkManager.DefaultWorkManager : 3||WARN 
|org.springframework.jms.listener.DefaultMessageListenerContainer|Setup of 
JMS message listener invoker failed for destination 'temporary' - trying 
to recover. Cause: Connection closed

I believe this is due to the PersistentQueueMessageListenerContainer using 
a cache level of CACHE_SESSION instead of CACHE_NONE.

Can you please confirm there is no way to set the cache level on the 
PersistentQueueMessageListenerContainer that Camel creates?

Can Camel be enhanced to either a) use the cache level from the request 
queue, or b) have the ability to set the cache level on the reply queue?

Thanks,
Mark

Mark Borner
Java Developer - ZStream Xpress






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