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From "Ate Douma (JIRA)" <jetspeed-...@jakarta.apache.org>
Subject [jira] Created: (JS2-203) Non-compliance to Portlet Specification PLT.16.3.3 cxxx and cxxxi (getContextPath)
Date Thu, 27 Jan 2005 23:39:18 GMT
Non-compliance to Portlet Specification  PLT.16.3.3  cxxx and cxxxi (getContextPath)

         Key: JS2-203
         URL: http://issues.apache.org/jira/browse/JS2-203
     Project: Jetspeed 2
        Type: Bug
  Components: Container  
    Versions: 2.0-dev/cvs, 2.0-a1, 2.0-M1    
 Environment: j2sdk.1.4.2_04, Tomcat 5.0.28
    Reporter: Ate Douma
     Fix For: 2.0-dev/cvs, 2.0-M2, 2.0-FINAL

PLT.16.3.3 Request and Response objects for Included Servlets/JSPs

The following methods of the HttpServletRequest must return the path and query
string information used to obtain the PortletRequestDispatcher object:
getPathInfo, getPathTranslated, getQueryString, getRequestURI and

The following methods of the HttpServletRequest must be equivalent to the methods
of the PortletRequest of similar name: getScheme, getServerName,
getServerPort, getAttribute, getAttributeNames, setAttribute,
removeAttribute, getLocale, getLocales, isSecure, getAuthType,
getContextPath, getRemoteUser, getUserPrincipal, getRequestedSessionId,

Of the above the cxxx as a whole and getContextPath of cxxxi are not implemented: 
they return information retrieved from the original HttpRequestContext of the Portal when
run under Tomcat.

Especially for the contextPath this has a major consequence:
Within a Servlet (jsp, velocity et cetera) dispatched from a Portlet all relative resources
and urls point
back to the Portal application.

The LoginPortlet and the ChangePasswordPortlet currently make "use" of this by providing href
links to the user
for login and logout which point directly to Servlets within the portal (web) application.

Romain Bisse reported on the list having problems with this though when running Jetspeed-2
on WebLogic.
Initially I thought WebLogic was in violation of the specs, but after looking deeper at it,
I discovered 
the above problem.

I'm going to implement the Portlet Specification requirements (of course) which also means
the LoginPortlet and
ChangePasswordPortlet have to be changed to provide a correct href links for login and logout

Very important to understand for all developers is the change in behavior this will give (for
the better I think):
- All (context) relative urls defined within a dispatched Servlet from a Portlet will now
be relative to its real
  web application context.
- All (context) relative urls defined within such a Servlet which are expected to be relative
to the Portal context
  will have to be redefined.

  An example for rendering an url relative to the portal context using jstl:

  <c_rt:set var="requestContext" value="<%=request.getAttribute(RequestContext.REQUEST_PORTALENV)%>"/>
  <c:url context="${requestContext.request.contextPath}" value="/login/logout"/>

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