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Date: Tue, 17 Apr 2012 20:22:58 +0100
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To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: Why @WebServlet annotation is not processed when web.xml is
 version
 2.5?
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On 17/04/2012 13:48, maria petrova wrote:
> Hi,
>=20
>=20
> We=92ve embedded Tomcat 7.0.26 in our product and we are currently tryi=
ng
> to cover Servlet 3.0 CTS with it.  We=92ve encountered the following
> problem with one of the tests.
>=20
> Though the version of the web deployment descriptor of the test
> application is 2.5, there is a servlet annotated with *@WebServlet
> *annotation and requests to this servlet are responded with 404 Not
> Found. When I change the version of the web.xml to 3.0 everything works=

> just fine.
>=20
>=20
> In Chapter /=93*1.6.2 Regarding Processing annotations*=94/ in the Serv=
let
> 3.0 Specification it is said that:
>=20
> /=93The version of the descriptor MUST not affect which annotations you=

> scan for in a web application.=94/

It also says:

"An implementation of a particular version of the specification MUST
scan for all annotations supported in that configuration, unless
metadata-complete is specified."

So I ask "which configuration?" - interpreting it to mean that Servlet
3.0 supports the WebServlet annotation etc, and 2.5 does not, because
that annotation is not present in 2.5.


p

> So my understanding is that the application should be processed for
> Servlet 3.0 specific annotations regardless of the version of the
> deployment descriptor.
>=20
>=20
> As far as I=92m aware, each new Tomcat release successfully covers Serv=
let
> 3.0 CTS, so I=92m wondering if I=92ve missed some configuration on Tomc=
at side?
>=20
> Any hints or ideas are highly appreciated.
>=20
>=20
> Thanks!
>=20
> Maria
>=20
>=20
> P.S. The issue is easily reproducible with clean Tomcat 7.0.26
> installation and the attached simple test applications. They differ onl=
y
> in the web.xml=92s version and only /AnnotTest_30/AnnotServlet is
> correctly responded, while /AnnotTest_25/AnnotServlet gets 404 response=
=2E
>=20
>=20
>=20
>=20
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