Is it possible to return a 204 from a Spring Integration http inbound-channel-adapter?


I have an inbound-channel-adapter that forwards to a bean method that returns null, but since http has to return a response, a 200 is returned. There are cases where I'd like to specify what the return value is, e.g. a 204 and I've tried a bunch of things, but nothing seems to work.

I'm using spring-integration 3.0.2.

Thanks, Justin


Yes, set the http_statusCode header in the reply message to 204.

EDIT: (see comments below)

<int-http:inbound-gateway request-channel="receiveChannel" path="/receiveGateway" supported-methods="POST"/> <int:publish-subscribe-channel id="receiveChannel" task-executor="exec" /> <int:service-activator input-channel="receiveChannel" expression="payload + ' from the other side'" output-channel="next"/> <int:chain input-channel="receiveChannel"> <int:header-enricher> <int:header name="http_statusCode" value="204"/> </int:header-enricher> <int:transformer expression="''"/> </int:chain>

Assumes the main flow doesn't return a result.

If you want to wait until the flow completes, remove the task executor.

You probably also need a transformer, to transform the payload to "".


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