I have attached a small example which reproduces the problem. It is built
from maven-archetype-webapp and it uses jetty.
I have not written web application for a long time, so I don't know much
about version of web app. I can change to the latest version.
Franz
On Fri, Apr 30, 2010 at 4:51 PM, Paul Sandoz <Paul.Sandoz_at_sun.com> wrote:
> Hi Franz,
>
> I think the version defined in the web-app defines what is supported in the
> web container.
>
> Thus i suspect for 2.3 based web-apps (which are rather old) the feature of
> passing variables from the request dispatcher to the JSP does not work. It
> does for 2.4 and 2.5-based webapps.
>
> Can you specify the version of the web app, or EE, when usng the maven web
> archetype? I did a quick search but it is hard to find any documentation on
> this.
>
> Jersey does have a web archetype:
>
> GroupId: com.sun.jersey.archetypes
> ArtifactId: jersey-quickstart-webapp
> Version: 1.1.5.1
> Repository: http://download.java.net/maven/2/
>
> which will generate a 2.5 version web app.
>
> BTW i do not know why maven defaults to such an old version. It is the same
> for Java compilation.
>
> Paul.
>
> On Apr 29, 2010, at 4:45 PM, Franz Wong wrote:
>
> Hi,
>
> I have a @GET method returning Viewable. As I know, I can use ${it} to get
> the model object. However, the jsp cannot evaluate it and it outputs the
> text "${it}" instead.
>
> I have googled for solution and I found a thread [1] talking about it.
> However, there is no final solution.
>
> I tried the small example in [1] provided by Paul Sandoz. After some time
> of investigation, I found something interesting. I don't know whether it is
> a known issue yet.
>
> maven-archetype-webapp generates a web.xml with the following header.
>
> <!DOCTYPE web-app PUBLIC
> "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
> "http://java.sun.com/dtd/web-app_2_3.dtd" >
>
> <web-app>
>
> The header of web.xml I found in Paul's example is the following.
>
> <?xml version="1.0" encoding="UTF-8"?>
> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="
> http://java.sun.com/xml/ns/javaee
> http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
>
> If I use Paul's one, my Jsp is evaluated successfully. This is not what the
> behavior I expected although it works now anyway.
>
> Regards,
> Franz
>
> [1]
> http://jersey.576304.n2.nabble.com/problem-with-jsp-Viewable-not-being-evaluated-td4101170.html
>
>
>