error when authenticating with api


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I am trying to authenticate using fiddler as  client, but I get an error, please tell me what am I doing wrong.

user have access to OData.

what i receive:

HTTP/1.1 401 Unauthorized

Cache-Control: private

Content-Type: application/json; charset=utf-8

Server: Microsoft-IIS/8.5

jsonerror: true

X-Powered-By: ASP.NET

X-Frame-Options: SAMEORIGIN

X-Content-Type-Options: nosniff

Date: Sat, 23 Feb 2019 08:02:33 GMT

Content-Length: 91

{"Message":"There was an error processing the request.","StackTrace":"","ExceptionType":""}



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Dear Bellil,

Please see the article below on how to proceed with the authentication with bpm'online using OData protocol and Fiddler application…

Also, I would like to share the approach I use: I open the Fiddler --> start tracing all requests --> open login page and enter the credentials --> hit login and looking for this request in Fiddler --> drag the caught request into Fiddler Composer window. There I can see all the headers, and body sent to the system. This helps to understand what is needed, run same request with modified data (if needed for any testing).

Hope you will find it helpful,


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