[jira] [Assigned] (WICKET-4380) Null url argument on missing static resource

["Emond Papegaaij (Assigned) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WICKET-4380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Emond Papegaaij reassigned WICKET-4380:
---------------------------------------

    Assignee: Emond Papegaaij
    
> Null url argument on missing static resource
> --------------------------------------------
>
>                 Key: WICKET-4380
>                 URL: https://issues.apache.org/jira/browse/WICKET-4380
>             Project: Wicket
>          Issue Type: Improvement
>          Components: wicket
>    Affects Versions: 1.5.3, 1.5.4
>         Environment: All tested (Jetty via Maven, deploy into Tomcat)
>            Reporter: Mark Eschbach
>            Assignee: Emond Papegaaij
>            Priority: Minor
>         Attachments: WERS-bug.zip, WERS-npe.patch
>
>
> The WebExternalResourceStream doesn't check the return value of the ServletContext#getResource, which could be null.  When the reference is given to the Connections#lastModified method this will cause a complaint several call layers down stating the URL argument may not be null.  The null value is a result of the referenced static resource missing, thus the servlet container is correctly returning null (as per the Servlet spec).

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