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https://issues.apache.org/jira/browse/WW-5408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kusal Kithul-Godage resolved WW-5408.
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    Resolution: Fixed

> Add option to NOT fallback to empty namespace when unresolved
> -------------------------------------------------------------
>
>                 Key: WW-5408
>                 URL: https://issues.apache.org/jira/browse/WW-5408
>             Project: Struts 2
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Kusal Kithul-Godage
>            Priority: Minor
>             Fix For: 6.5.0
>
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> Currently, when a namespace cannot be resolved from a request URL, it falls 
> back to the empty namespace.
> This effectively allows all Actions which are defined for the empty namespace 
> to be accessed from an infinite number of endpoints.
> For example, you may have an Action defined in the empty namespace, intended 
> for access at:
> {{www.domain.com/login.action}}
> However, due to the current fallback behaviour, this Action can actually be 
> accessed at any non-resolving namespace, eg.:
> {{www.domain.com/what/about/this/login.action}}
> This behaviour is not usually beneficial and could lead to bugs if a 
> developer only expects their Action to be accessible at a very specific URL. 
> Many developers may not be aware of these Action resolving quirks of Struts.
> As far as I can tell, there is not currently an option to prevent this 
> behaviour, so I propose we add one.



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