camel-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From gramanero <>
Subject Re: Transacted vs DeadLetterQueue
Date Fri, 08 Jun 2012 10:47:48 GMT
No, it is not rolling back if you use the Handles element with a constant value of true. If
you use the Continue element then I believe it will roll back.

Sent from my iPod

On Jun 7, 2012, at 11:46 PM, "James Carman [via Camel]" <>

> Your transaction isn't rolling back if you "handle" the exception, is it? 
> On Thu, Jun 7, 2012 at 12:21 PM, gramanero <[hidden email]> wrote:
> > I have tested the case of using a route specific onException clause within a 
> > transaction and it appears to work as I would expect (or hope). So I have a 
> > route that is transactional and the final endpoint in the route throws an 
> > exception I forced my restful service to just throw an exception). Without 
> > the onException clause the message lands back in the queue as you would 
> > expect due to it running within a transaction. With the onException clause, 
> > I look for specific exceptions and if it is one of the exceptions that I 
> > have specified I tell tell Camel that the exception has been "handled" (via 
> > the handled clause) and I route the message to the dead letter queue, thus 
> > moving the "bad message" out of the way of the messages remaining on the 
> > queue. I think the key here is the use of the "handled" clause that tells 
> > Camel that the message has been handled and therefore to NOT rollback the 
> > transaction. The alternative choice is to tell Camel to "continue" on with 
> > its normal processing which would have rolled back the transaction and put 
> > the message back onto the queue (via the "continue" least I 
> > think it is a clause). 
> > 
> > Hope that helps. 
> > 
> > -- 
> > View this message in context:
> > Sent from the Camel - Users mailing list archive at 
> If you reply to this email, your message will be added to the discussion below:
> To unsubscribe from Transacted vs DeadLetterQueue, click here.

View this message in context:
Sent from the Camel - Users mailing list archive at
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message