[jira] [Commented] (WW-4715) Scope interceptor always resets because of org.apache.struts2.dispatcher.HttpParameters

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    [ https://issues.apache.org/jira/browse/WW-4715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15669626#comment-15669626 ] 

ASF subversion and git services commented on WW-4715:
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Commit a245226b7f1fa2a2cd94508b132f0220989c1e5b in struts's branch refs/heads/master from [~lukaszlenart]
[ https://git-wip-us.apache.org/repos/asf?p=struts.git;h=a245226 ]

WW-4715 Uses isDefined function instead of null-checking


> Scope interceptor always resets because of org.apache.struts2.dispatcher.HttpParameters
> ---------------------------------------------------------------------------------------
>
>                 Key: WW-4715
>                 URL: https://issues.apache.org/jira/browse/WW-4715
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Core Interceptors
>    Affects Versions: 2.5.5
>            Reporter: Greg Baker
>             Fix For: 2.5.6
>
>
> Line 302 of org.apache.struts2.interceptor.ScopeInterceptor performs a not-null check to see if a session reset parameter exists by calling com.opensymphony.xwork2.ActionContext.getParameters().get(...).
> The return type of getParameters() is org.apache.struts2.dispatcher.HttpParameters, and HttpParamters.get() never returns null on a missing parameter, causing the not-null check to always evaluate to true.
> This breaks the interceptor by short circuiting the scoped variable injection.



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