Hi Vincent,

I've just fixed the NPE in SVN trunk. I hope that your setup will now work.
If not, let us know. You could also open a bug report and attach a
reproducible sample to it.

Best regards,
Jérôme Louvel
--
Restlet ~ Founder and Lead developer ~ http://www.restlet.org
Noelios Technologies ~ Co-founder ~ http://www.noelios.com


-----Message d'origine-----
De : Vincent Ricard [mailto:[EMAIL PROTECTED] 
Envoyé : mardi 12 août 2008 11:04
À : [email protected]
Objet : NPE with Wadl and ServerServlet

Hi,

I'm testing the wadl support and trying to run restlet in a servlet
container (from the svn source, r3631). I tried two solutions:
- just declare the ServerServlet and create a restlet.xml (see the
attached file)
- create a custom component inheriting from WadlComponent and declare it
in the web.xml (as described in the ServerServlet javadoc) with the
following constructor:
        public RestletComponent() {
                super("clap://class/app.wadl");
        }

(This is my first attempt with restlet, so i maybe forget something)

It seems that "wadlRep.getApplication()" returns null.

In the both cases, i get a NPE:
java.lang.NullPointerException
        at
org.restlet.ext.wadl.WadlApplication.<init>(WadlApplication.java:170)
        at org.restlet.ext.wadl.WadlComponent.attach(WadlComponent.java:157)
        at org.restlet.ext.wadl.WadlComponent.attach(WadlComponent.java:142)
        at org.restlet.ext.wadl.WadlComponent.attach(WadlComponent.java:171)
        at org.restlet.ext.wadl.WadlComponent.<init>(WadlComponent.java:118)
        at RestletComponent.<init>(RestletComponent.java:7)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
        at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAcces
sorImpl.java:39)
        at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstruc
torAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
        at java.lang.Class.newInstance0(Class.java:350)
        at java.lang.Class.newInstance(Class.java:303)
        at
com.noelios.restlet.ext.servlet.ServerServlet.createComponent(ServerServlet.
java:396)
        at
com.noelios.restlet.ext.servlet.ServerServlet.getComponent(ServerServlet.jav
a:643)
        at
com.noelios.restlet.ext.servlet.ServerServlet.init(ServerServlet.java:722)
        at javax.servlet.GenericServlet.init(GenericServlet.java:212)
        at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:11
39)
        at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:966)
        at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:
3956)
        at
org.apache.catalina.core.StandardContext.start(StandardContext.java:4230)
        at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
        at
org.apache.catalina.core.StandardHost.start(StandardHost.java:736)
        at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
        at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
        at
org.apache.catalina.core.StandardService.start(StandardService.java:448)
        at
org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)

Best regards,
-- 
Vincent Ricard

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