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From Claus Ibsen <>
Subject Re: Graceful shutdown and individual routes
Date Wed, 24 Feb 2010 07:02:50 GMT

You can use the in flight registry to see if there is any message
ongoing in your route.
And then wait until there are no more before stopping.

But we could probably also add support for graceful shutdown on
individual routes, leveraging the existing logic in Camel.
Could you create a JIRA ticket?

On Tue, Feb 23, 2010 at 9:01 PM, ownedthx <> wrote:
> Hi,
> I'm creating and tearing down temporary queues at runtime in my application.
> I'm getting an error I believe has been seen many times before by others:
> Cannot publish to a deleted Destination: ... Cannot publish to a deleted
> Destination: temp-queue://ID:...
> I suspect it's because when I tear down RouteDefinitions own my own, then I
> don't get the benefits of the new graceful shutdown feature.
> Essentially, I would like my queue to hang around until all messages have
> been pulled from it, if all possible.  This would be better behavior for my
> application, and I *think* stop this error from occuring.  (I'm not 100%
> sure this temporary queue logic is the source of the error message, but it
> did start showing up right after I added the feature into our application)
> Roughly, this is what I'm currently doing:
> // creating temporary routes
> RouteBuilder builder = new RouteBuilde() { ...}
> // save route definitions for teardown
> RoutesDefinition routesDefinition = builder.getRouteCollection();
> builder.addRoutesToCamelContext(camelContext)
> ... some time later ...
> // destroy temporary routes
> camel.removeRouteDefinitions(routesDefinitions.getRoutes());
> Does that look right?  Is there something I can do better to destroy the
> routes once all the messages have been processed?
> Thanks!
> Seth
> --
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Claus Ibsen
Apache Camel Committer

Author of Camel in Action:
Open Source Integration:

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