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From "Carl Holmes (JIRA)" <>
Subject [jira] [Updated] (CXF-2838) CXFServlet ignores proper ApplicationContext combination loading.
Date Thu, 15 Sep 2011 06:12:09 GMT


Carl Holmes updated CXF-2838:


I believe the problem is fixed in the latest (2.4.2) version of CXF.  I tried backporting
it to the 2.2.8 version, but it's been so long that I was unable to do so.  I believe the
problem was also related to how the cxf: namespace was being parsed back then.  

This test case shows that the servlet is now properly loading the root web application context,
and then attempting to load the bus and other beans from the given configuration, as does
the Spring Dispatcher Servlet.

> CXFServlet ignores proper ApplicationContext combination loading.
> -----------------------------------------------------------------
>                 Key: CXF-2838
>                 URL:
>             Project: CXF
>          Issue Type: Bug
>          Components: Transports
>    Affects Versions: 2.2.8
>         Environment: Windows using Tomcat 5.5/Tomcat 6
>            Reporter: Carl Holmes
>              Labels: application-context, cxf-servlet
>             Fix For: NeedMoreInfo
>         Attachments:
>   Original Estimate: 504h
>  Remaining Estimate: 504h
> CXFServlet allows you to specify an init-param element specifying the location of an
application-context file to be used in combination with the root application context (loaded
via a ContextLoader(Listener/Servlet) to use to construct beans for web services.  However,
this loading process is not done properly.
> Say that a user wished to use the root application context, loaded in the ContextLoader(Listener/Servlet)
to provide common functionality (database beans, cache, email services, etc) between different
servlets, but wanted to separate out two different sets of web services (that used these common
beans) and also had another servlet that used these common beans but did not expose web services.
 Normally, that would be done as so:
> context loader listener:
>    common application context files
> Servlet#1(CXF servlet #1)
>    only web service beans, including the imports for CXF from its META-INF directories
as desired
> Servlet#2(CXF servlet #2, exposing different web services under a different url-pattern
than Servlet#1)
>    only CXF Servlet #2 web service beans, including the imports for CXF from its META_INF
directories as desired
> UnrelatedServlet
>     Gets the root application context and any additional beans it needs
> Each servlet would then be mapped on different url-patterns, for example, /services/*,
/securedServices/*, and /.
> However, this doesn't work as expected.
> I traced this down - and it seems that before the context is refreshed, the bus is read
and a controller is constructed before the servlet gets a chance to even read its initialization
parameter and append these beans to the Root application context to construct a new application
context for it to use.
> This isn't a problem for any web application just using an "all beans in the context
loader listener" or "just web services" approach - but it makes the CXFServlet much less useful
than it should be.  The Root application context should be merged with the user-injected specific
application context before any configuration is attempted.

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