[jboss-jira] [JBoss JIRA] (WFLY-3279) HttpServletResponse.sendRedirect() not working for relative URL

[Stuart Douglas (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-3279?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stuart Douglas resolved WFLY-3279.
----------------------------------

    Fix Version/s: 8.1.0.Final
       Resolution: Done

    
> HttpServletResponse.sendRedirect() not working for relative URL
> ---------------------------------------------------------------
>
>                 Key: WFLY-3279
>                 URL: https://issues.jboss.org/browse/WFLY-3279
>             Project: WildFly
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Web (Undertow)
>    Affects Versions: 8.0.0.Final, 8.1.0.CR1
>         Environment: Windows
>            Reporter: Mehboob Alam
>            Assignee: Stuart Douglas
>             Fix For: 8.1.0.Final
>
>         Attachments: Recreate_SendRedirect_Problem.ear
>
>
> I cannot get HttpServletResponse.sendRedirect() to work correctly. This only happens to me with Wildfly. It works on previous versions of JBoss EAP/AS and several other app servers where I tested the scenario.
>  
> The sample app has two servlet. I navigate from one to the other using sendRedirect. The key seems to be relative path in the form "../whatever/whatever" is not working.
> To test this, I enter my app's URL like this-
> http://localhost:8080/helloworld/hello
> Then, inside the first servlet, I do a redirect -
> 	String url = "../goodbye/bye";
>     	response.sendRedirect(response.encodeRedirectURL(url));	
> wildfly 8 gives me a HTTP Status 404. wildfly 8.1 CR1 gives me a HTTP Status 403.  All other app server works. It takes me to this url:
> http://localhost:8080/goodbye/bye
> JBoss eap-6-1-0
> Status  Host                Path
> 302      localhost:8080      /helloworld/hello
> 200      localhost:8080      /goodbye/bye/
> WildFly 8.0 Final
> Status  Host                Path
> 302      localhost:8080      /helloworld/hello
> 404      localhost:8080      /helloworld/
> WildFly 8.1.0 CR1 Final
> Status  Host                Path
> 302       localhost:8080      /helloworld/hello
> 403       localhost:8080      /helloworld/
> This behavior also appears to be different than that  of java.net.URL,
> public URL(URL context, String spec)
>     throws MalformedURLException
> which states  this: If the spec's path component begins with a slash character "/" then the path is treated as absolute and the spec path replaces the context path.
> Otherwise, the path is treated as a relative path and is appended to the context path, as described in RFC2396. Also, in this case, the path is canonicalized through the removal of directory changes made by occurences of ".." and ".". 

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