[jira] [Updated] (RAVE-331) Error when trying to upload a duplicate gadget url to widget store

["Anthony Carlucci (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/RAVE-331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anthony Carlucci updated RAVE-331:
----------------------------------

    Attachment: stacktrace.log
    
> Error when trying to upload a duplicate gadget url to widget store
> ------------------------------------------------------------------
>
>                 Key: RAVE-331
>                 URL: https://issues.apache.org/jira/browse/RAVE-331
>             Project: Rave
>          Issue Type: Bug
>    Affects Versions: 0.5-INCUBATING
>            Reporter: Anthony Carlucci
>            Priority: Minor
>         Attachments: stacktrace.log
>
>
> How to Reproduce
> --------------------------
> 1) Login to Rave as any user
> 2) Upload a gadget to the widget store - verify it was added successfully
> 3) Go back and try to add the same gadget url again
> 4) You will see the standard "rave has suffered a brief meltdown" page
> The issue is that the DefaultWidgetService.registerNewWidget function returns a null Widget object if it finds the URL already in the system.  The RavePermissionEvaluator.hasPermission functions are not properly dealing with potential null objects and thus a NPE is thrown.
> How to Fix
> ----------------
> 1) Improve the RavePermissionEvaluator.hasPermission methods to check for and safely handle possible null objects.

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