MTOM using SoapUI and OSB by Martien van den Akker

MTOM (Message Transmission Optimization Mechanism) is incredibly hard… to find practical information about, on SoapUI and OSB. There are loads of articles. Like:

• Sending attachment: MTOM / XOP vs SWA and inline attachment, by Steve Djajasaputra
• Osb 10gR3 and SwA and Mtom, by Roger van Kimmenade, this is about sending messages using MTOM. But unfortunately the WSDL’s are not XML-encoded and therefor only visible in the page-URL.

But I need to process documents that are send using MTOM to my service. And to be able to test it, I need to create a working example of a SoapUI project to do exactly that. Also about SoapUI and MTOM there are loads of examples, and it is quite simple really. But I had a more complex wsdl that I was able to use for Soap with Attachments (SwA) wich is also simple really. But how to connect those two in a simple working example? Well, actually, it turns out not so hard either… So bottom-line, MTOM with SoapUI and OSB is not so hard. If you know how, that is.
So let’s work this out on a step-by-step basis.

XSD/WSDL

I’ll start with a simple XSD: Read the complete article here.

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