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My question: I am trying to run the soap12 version in post soap request with headers soapAction 
XXX and content-type :application/soap+xml but getting response as mismatch contractfilter but same service works fine in SOAPUI.Please advice
Details (like screenshots):
How I found the problem:
I’ve already tried:
Oh sorry I understand that. May be you can try using the content-type : text/xml; charset=utf-8