[jira] [Commented] (GUACAMOLE-355) CAS Module Missing Error Handling

["Nick Couchman (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GUACAMOLE-355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16099401#comment-16099401 ] 

Nick Couchman commented on GUACAMOLE-355:
-----------------------------------------

So, turns out this is a little more complex than just missing error handling in the CAS module.  What's happening in this case is that the CAS module is triggering a redirect to the ticket validation service, which is picked up by the RESTExceptionWrapper.  When the URL is incorrect for the CAS module, it throws a FileNotFoundException, which is intercepted by the RESTExceptionWrapper, which generates a internal server error (500) and never returns control to the CAS module.

Not entirely sure how to proceed on this one, but I'll give a few things a shot...any help would be appreciated...

> CAS Module Missing Error Handling
> ---------------------------------
>
>                 Key: GUACAMOLE-355
>                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-355
>             Project: Guacamole
>          Issue Type: Bug
>          Components: guacamole-auth-cas
>    Affects Versions: 0.9.13-incubating
>            Reporter: Nick Couchman
>            Assignee: Nick Couchman
>
> As reported by Kaushnik on the dev mailing list, attempting to use the guacamole-auth-cas module with an incorrect CAS authentication endpoint results in very generic and not very useful 500 Internal Server errors rather than meaningful messages that point the user in the right direction for correcting the error.  Need to see if the CAS framework has any built-in error checking facilities and try to leverage those, or at least throw some more meaningful Guacamole errors when we run into problems.



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