No principal was found in the response from the CAS server.

[Steve Cheung]

Hi all,

I had setup a cas server cas-overaly-template 6.2.x and a client app (https://github.com/cas-projects/cas-sample-java-webapp) on my local environment 

Once I successfully login to my cas server using the client app, it prompts http error 500 (No principal was found in the response from the CAS server). It seems that login is success but the ticket validation on client side has error. I searched in the net for while but cant fix the is error. Anyone here has idea about it?

And here is error and redirection url after the successful login

https://localhost:9443/sample/?ticket=ST-3-nDVmONP2dWiJwILsko8Zju-u3Yg-Steves-MacBook-Pro

HTTP ERROR 500

Problem accessing /sample/. Reason:

    Server Error

Caused by:

javax.servlet.ServletException: org.jasig.cas.client.validation.TicketValidationException: No principal was found in the response from the CAS server.

Thanks, Steve

[Andy Ng]

Hi Steve,

See if disabling `mfa-duo` this helps:

https://github.com/cas-projects/cas-sample-java-webapp/issues/14

Cheers!

- Andy

[Steve Cheung]

Hi Andy, it works now, thanks.

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