Demo authentication request

Marko Pipan pipan.marko at
Wed Nov 9 13:41:07 GMT 2011


I'm trying to manually trigger an UsernamePassword login authentication 
on the Identity Provider.

According to the SWITCH demo at, the Service Provider 
returns a html form with a nested base64 encoded SAML request, which is 
then auto-submitted to the IDP (steps 4-5).

However, if I try to manually post a form like the one in the demo (at to 
/idp/profile/SAML2/POST/SSO, the IDP throws this exception:

11:24:17.833 - WARN 
- Error decoding authentication request message Unable to 
unmarshall message, no unmarshaller registered for message element 

Is there a problem with that request? If so, could you provide me with 
an example of a correct one?


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