hi,
i'm very new to restlet, so please don't be annoyed if my questions are silly
;)
My set- up is a spring- based web service, which uses Restlet for
communication. It is deployed to Tomcat. web.xml is setting up an
RestletFrameworkServlet. The servlet's spring config file uses a SpringRouter
and two SpringFinders to register an TestRestlet and my real Restlet. The test
works fine. It simply returns a string as answer to any get request and can be
visited using a browser.
The problem goes together with the other Restlet. It extends ServerResource and
implements a custom Interface. The interface looks like that:
public interface JSService {
@Post("json")
public abstract JSONObject execute(JSONObject data);
}
The Restlet itself returns a json object.
I connect to the interface using ClientResource and its wrap method. So I get
an Instance of JSService (my interface) on the client- side (written in Apache
Wicket, if this is important).
Calling execute() at this Instance leads to a NullPointerException in line 97
of JsonConverter (there is an excerpt from the log file below. There is clearly
the client side failing, the request never reaches the server), the log says
"Unable to get the score of the org.restlet.ext.json.jsonconver...@1862621
converter helper. "
I'll be thankful for all suggestions.
Greetings,
Alex
And that's the log file:
Jun 22, 2010 5:34:43 PM org.restlet.engine.converter.ConverterUtils
getBestHelper
SEVERE: Unable get the score of the org.restlet.ext.json.jsonconver...@1862621
converter helper.
java.lang.NullPointerException
at org.restlet.ext.json.JsonConverter.score(JsonConverter.java:97)
at
org.restlet.engine.converter.ConverterUtils.getBestHelper(ConverterUtils.java:121)
at
org.restlet.service.ConverterService.toRepresentation(ConverterService.java:206)
at
org.restlet.service.ConverterService.toRepresentation(ConverterService.java:189)
at
org.restlet.resource.ClientResource.toRepresentation(ClientResource.java:1475)
at
org.restlet.resource.ClientResource$1.invoke(ClientResource.java:1573)
at $Proxy49.execute(Unknown Source)
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