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HTTP/1.1 401 Unauthorized

New Contributor

HTTP/1.1 401 Unauthorized

I am trying to invoke a web service from SOAP UI 5.0 hosted on IBM integration bus which has NTLM enabled, I see an 401 un authorized error in the http log of soap ui.


I have generated the ticket by running the knit command and also done the below.


Add following VM parameter to ${SoapUI_INSTALL_DIR}/bin/soapUI-pro-<version>.vmoptions

HTTP log from soap ui:


HTTP/1.1 401 Unauthorized
Server: Apache-Coyote/1.1
WWW-Authenticate: NTLM
WWW-Authenticate: Negotiate
Transfer-Encoding: chunked 


Can anyone tell me what else could be wrong ? 

New Contributor

Re: HTTP/1.1 401 Unauthorized

I followed instructions from another post to install Burp suite and that worked.


I would still appreciate if anyone can share their experience if they got it working without having to install burp suite.



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