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From "Matt Hogstrom (JIRA)" <j...@apache.org>
Subject [jira] Commented: (GERONIMO-646) Servlet calling HttpServletRequest.isUserInRole(null) causes NPE using Jetty container
Date Tue, 14 Nov 2006 22:44:51 GMT
    [ http://issues.apache.org/jira/browse/GERONIMO-646?page=comments#action_12449846 ] 
            
Matt Hogstrom commented on GERONIMO-646:
----------------------------------------

Jeff...is this still an issue?

> Servlet calling HttpServletRequest.isUserInRole(null) causes NPE using Jetty container
> --------------------------------------------------------------------------------------
>
>                 Key: GERONIMO-646
>                 URL: http://issues.apache.org/jira/browse/GERONIMO-646
>             Project: Geronimo
>          Issue Type: Bug
>          Components: web
>    Affects Versions: 1.0-M4
>         Environment: All
>            Reporter: Tom McQueeney
>         Assigned To: Alan Cabrera
>            Priority: Minor
>             Fix For: 1.2
>
>         Attachments: JAASJettyRealm-patch.txt, WebRoleRefPermission-patch.txt, WebRoleRefPermissionTest-patch.txt
>
>
> The servlet isUserInRole call eventually gets delegated to
> org.apache.geronimo.jetty.JAASJettyRealm.isUserInRole, which causes a NPE in 
> javax.security.jacc.WebRoleRefPermission.hashCode().
> JAASJettyRealm.isUserInRole creates a WebRoleRefPermission, passing it the 
> null role that it was passed, then delegates the role check to 
> java.security.AccessControlContext.checkPermission, passing it the WebRoleRefPermission.
> When the web role ref permission gets checked, eventually its hashcode method is called,
> which tries to compute the hash by getting the hashcode of the (null) role name,
> which throws the NPE.

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