How to use direct streaming for SOAP with Spring-WS?

Question

We want to enable direct streaming of our payload in webservice endpoints. We have to process a large amount of data and want to stream the data while processing.

We use

Answer 1

I can only think of a hack for this - stacks(cxf, spring ws etc) would buffer the entire message as they have to validate the response xml, to be able to calculate the cryptographic keys if security is enabled etc.

So the hack would be to write your own custom servlet/spring controller which would handle this specific response and stream out the soap envelope, then your payload, then the end tag of soap envelope. This is assuming you don't have any WSS requirements.