General Question RPC vs. Messaging

[Werner Jörling <jo...@lkv-wl.de>]

Hello,

studying the SOAP-Messaging samples from the  the book 'Java and SOAP' (Robert 
Englander, O'Reilly) and from apache-soap I'm confused about the difference 
between SOAP-RPC and SOAP-Messaging.

There are SOAP-Messaging samples, where services are implemented with the 
signiture

public void serviceMethod(
	Envelope env, 
	SOAPContext reqCtx, 
	SOAPContext resCtx
)

Services of this kind are usually sent to client messages containing Envlopes 
to an URL like http//host:pppp/soap/servlet/messagerouter.

On the other side there are SOAP-Messaging-service samples not distinguishable 
from SOAP-RPC-style services . Only the service-tag in the 
deployment-descriptor contains the type="message"-attribute.

Moreover this services are invoked by a Call in a SOAP-RPC like manner, with a 
URL like http://host:pppp/soap/servlet/rpcrouter.

Consequently I do not really understand the difference between SOAP-RPC and 
SOAP-Messaging.

Regards

Werner
mailto:joerling@lkv-wl.de


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