Handling Exceptions in a ServiceActivator (AMQP subtopic as well...)

[bootlaces]

Hi All,

I'm getting to grips with Spring Integration 2.1.0.RC1. After reading the reference manual and looking at some examples, I'm still a little bit confused on how to best handle an application exception that I throw. I would welcome some advice please. Below are snippets of my configuration:

    <int:exception-type-router input-channel="myServiceActivator" default-output-channel="myErrorChannel">
        <int:mapping exception-type="bar.foo.MyException" />
    </int:exception-type-router>

    <int:channel id="myErrorChannel"/>

Here is myServiceActivator:

    @ServiceActivator(inputChannel = "myServiceActivator")
    public void processMessage(final Message<String> message) throws MyException {
        final String payload = message.getPayload();
        myBean.doSomething(payload);
    }

Let's pretend that the doSomething throws a MyException. Does this configuration outlined above seem appropriate to handle the Exception (am I missing a trick?)

I ask this to help answer another question. I'm hooking up the myErrorChannel to a RabbitMQ exchange, i.e.,

    <int-amqp:outbound-channel-adapter channel="myErrorChannel" exchange-name="amq.direct" routing-key="myErrorQueueRoutingKey" />

When the exception gets thrown (assuming my configuration above looks reasonable and I'm not missing a trick on how to *properly* configure spring integration to handle exceptions) I notice in the Queue in Rabbit I have an appropriate message in my Error Queue - but the thing is I only see the payload of the message that arrived from RabbitMQ into Spring Integration and *not* the details of MyException (I would have expected perhaps a stack trace to be the payload that gets sent to RabbitMQ on an error.)

I would be extremely grateful on some feedback on this issue.

Thank you so much in advance.

-=bootlaces=-

[bootlaces]

Hi,

Just wondering if anyone else has any strategies for handling throwing exceptions back from a service activator?

Thanks.

-=david=-