Hi Zamly,

If the message sending fails, the message processor keeps on retrying until
the max delivery attempt is reached. Once the max delivery attempt is
reached the message processor deactivates. You have to give the endpoint to
the message processor. I think you would NOT have given the endpoint so
that it is unable to send the message to the backend. You may refer this
article[1] for more information.

Target endpoint can be given as targetendpoint="sampleEndpoint" in the
message processor configuration.


[1]
http://wso2.com/library/articles/2014/01/guaranteed-delivery-with-Message-Store-Message-Processor%20/


Thanks & Regards,

On Wed, Nov 12, 2014 at 2:57 PM, Zamly Thaha <[email protected]> wrote:

> Hi all,
> I have been trying the Dead letter Message Channel Example in the EIP
> Guide [1].
>
> As per the documentation if message sending fails, the client should get
> the response when the back end service is alive within the message
> processor's retry attempts. The back end service seems to be receiving the
> message from the message processor once the back end server is restarted.
>
> But the intended client gets the following error :
> "org.apache.axis2.AxisFault: Read timed out"  instead of the response.
>
> Please note :
> The message processor keeps attempting all its retry attempts even if the
> back service is alive.
> When creating a message processor in ESB 4.8.1, it requires an additional
> endpoint parameter (compulsory field). The current documentation doesn't
> specify about the endpoint parameter.
>
> Is this an issue with the configuration? any help would be appreciated.
>
> [1] https://docs.wso2.com/display/IntegrationPatterns/Dead+Letter+Channel
>
> Regards.
> --
> *ZAMLY|THAHA*
> Associate Software Engineer | WSO2 Inc.
>
> M: +94 717179055
>
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>


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