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From "Aaron Oneal (JIRA)" <>
Subject [jira] Created: (AXIS2C-1372) Setting the content-length header for libcurl causes auth to fail
Date Tue, 02 Jun 2009 06:46:07 GMT
Setting the content-length header for libcurl causes auth to fail

                 Key: AXIS2C-1372
             Project: Axis2-C
          Issue Type: Bug
          Components: transport/http
    Affects Versions: 1.6.0
            Reporter: Aaron Oneal
            Priority: Blocker

Certain auth schemes, like NTLM, may result in an empty request (no body, content-length:0)
being sent to the server first to trigger a 401 auth challenge so as not to waste bandwidth
by posting the real message body twice when it knows the first request will result in an auth

Libcurl currently has a bug where it will use the specified content-length on this first request
instead of sending 0, which will cause subsequent requests to fail because the message body
was never sent. 

Since libcurl automatically calculates the content-length based on the POST size, it's not
necessary to specify it from Axis2/C. Removing this header allows libcurl to calculate the
length and send the correct values during both requests.

I recommend the content-length setting code be removed because:
1. It doesn't appear to be needed
2. Curl docs do not recommend specifying a content-length header
3. It's currently the only way to get NTLM authentication working (see AXIS2C-1370)

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