On Thu, Mar 4, 2010 at 8:50 AM, lekkie <[email protected]> wrote:
>
> I have a use case that requires a certain endpoint to be re-used. Lets say
> the re-usable endpoint is called router1.
>
> The flow below causes a blockage on my route and leads to camel throwing
> exception.
>
> consumerEndPoint -> router1 -> someIntermediateEndPoint -> router1`->
> someProviderEndpoint ........
>

Are you saying that you route to "route1" 2 times? eg kinda like in a circle?

And what does your route1 recipient list do?

All together I suggest to make your use case as simple as possible, to
get something working.
And then build from there.

And you can change the MEP if you need.

>
> This flow is an InOut exchange flow. What is happening is that, because the
> first message passes through router1 and it is still waiting for a response,
> router1` will wait forever. I think camel throws the exception below
>
> 08:29:12,569 | INFO  | oLogger-thread-1 | Tracer                           |
> rg.apache.camel.processor.Logger   88 | c66c0dd3-657a-4508-9295-c6f6b6d64a02
>>>> (route20) OnException[ExchangeTimedOutException] --> transform[
>
> 08:29:12,569 | ERROR | oLogger-thread-1 | DefaultErrorHandler              |
> rg.apache.camel.processor.Logger  202 | Failed delivery for exchangeId:
> c66c0dd3-657a-4508-9295-c6f6b6d64a02. Processed by failure processor:
> Channel[Transform(
>
> 08:29:33,653 | INFO  | saction-thread-1 | Tracer                           |
> rg.apache.camel.processor.Logger   88 | c36c48b5-e18d-498e-9fed-b340e0baeb05
>>>> vm://router1 --> OnException[ExchangeTimedOutException] <<<
> Pattern:InOut, Headers:{operationName=null, nmrMessage=Message []},
> BodyType:String, Body:
>
> 08:29:33,653 | INFO  | saction-thread-1 | Tracer                           |
> rg.apache.camel.processor.Logger   88 | c36c48b5-e18d-498e-9fed-b340e0baeb05
>>>> (route23) OnException[ExchangeTimedOutException] --> transform[
>
> 8:29:33,653 | ERROR | saction-thread-1 | DefaultErrorHandler              |
> rg.apache.camel.processor.Logger  202 | Failed delivery for exchangeId:
> c36c48b5-e18d-498e-9fed-b340e0baeb05. Processed by failure processor:
> Channel[
>
>
> Loadbalancer is not resolving this as it still ends up sending to same
> router.
>
> See my camel snippets below:
>
> <camelContext id="camel" xmlns="http://camel.apache.org/schema/spring";
> trace="true">
>   <route>
>   <from uri="nmr:consumerEndPoint"/>
>   <loadBalance ref="roundRobinRef">
>       <to uri="vm:router1"/>
>       <to uri="vm:router2"/>
>   </loadBalance>
>   </route>
> </camelContext>
>
> <camelContext id="camel" xmlns="http://camel.apache.org/schema/spring";
> trace="true">
>   <route>
>   <from uri="nmr:someIntermediateEndPoint "/>
>   <loadBalance ref="roundRobinRef">
>       <to uri="vm:router1"/>
>       <to uri="vm:router2"/>
>   </loadBalance>
>   </route>
> </camelContext>
>
> <camelContext id="camel" xmlns="http://camel.apache.org/schema/spring";
> trace="true">
>   <route>
>   <from uri="nmr:someProviderEndPoint"/>
>   <to uri="mock:whatever"/>
> </route>
> </camelContext>
>
> <camelContext id="camel" xmlns="http://camel.apache.org/schema/spring";
> trace="true">
>        <route>
>                <from uri="vm:router1"/>
>                <bean ref="router1ProcessorRecipientList" method="route"/>
>        </route>
> </camelContext>
>
> <camelContext id="camel" xmlns="http://camel.apache.org/schema/spring";
> trace="true">
>        <route>
>                <from uri="vm:router2"/>
>                <bean ref="router2ProcessorRecipientList" method="route"/>
>        </route>
> </camelContext>
>
>
>
> What EIP would be the most appropriate for this scenario?
>
> kr.
> --
> View this message in context: 
> http://old.nabble.com/Blocked-endpoints%3A-What-EIP-%27d-be-most-appropriate--tp27777606p27777606.html
> Sent from the Camel - Users mailing list archive at Nabble.com.
>
>



-- 
Claus Ibsen
Apache Camel Committer

Author of Camel in Action: http://www.manning.com/ibsen/
Open Source Integration: http://fusesource.com
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