Make sure there is <module rename-to='coda'> in your .gwt.xml file.

Jim
http://www.gwtorm.com
http://code.google.com/p/dreamsource-orm/

On May 22, 4:03 pm, Nepherte <[email protected]> wrote:
> I'm having issues getting the remote services to work for one of my
> new applications. I assume it has something to do with the service url
> path, but couldn't find the cause.
>
> Here's the relevant information:
>
> I have these three classes:
> - DatabaseService.java (be.nepherte.coda.client)
> - DatabaseServiceAsync.java (be.nepherte.coda.client)
> - DatabaseServiceImpl.java (be.nepherte.coda.server)
>
> ***DatabaseService:*****
> package be.nepherte.coda.client;
> import java.util.ArrayList;
> import com.google.gwt.user.client.rpc.RemoteService;
> import com.google.gwt.user.client.rpc.RemoteServiceRelativePath;;
>
> @RemoteServiceRelativePath("databaseService")
> public interface DatabaseService extends RemoteService {
>     public String getTestMessage();}
>
> ***End DatabaseService***
>
> ***DatabaseServiceAsync***
> package be.nepherte.coda.client;
> import java.util.ArrayList;
> import com.google.gwt.user.client.rpc.AsyncCallback;
>
> public interface DatabaseServiceAsync {
>     public void getTestMessage(AsyncCallback<String> callback);}
>
> ***End DatabaseServiceAsync***
>
> ***DatabaseServiceImpl***
> private DatabaseServiceImpl() {}
>
> public String getTestMessage() {
> return "This is a server message to test the GWT RPC calls";}
>
> ***End DatabaseServiceImpl***
>
> I call the service like this:
> private DatabaseServiceAsync databaseService = (DatabaseServiceAsync)
> GWT.create(DatabaseService.class);
> ....
> AsyncCallback<String> callback = new AsyncCallback<String>() {
>       public void onFailure(Throwable caught) {
>           Window.alert("an error occured");
>       }
>      public void onSuccess(String result) {
>            Window.alert(result);
>      }}
>
> databaseService.getTestMessage(callback);
>
> I always get the "an error occured" message
>
> My web.xml file looks like this:
> <?xml version="1.0" encoding="UTF-8"?>
> <web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/
> ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="http://java.sun.com/xml/ns/j2eehttp://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd";>
>         <display-name>CODA</display-name>
>         <servlet>
>                 <servlet-name>DatabaseService</servlet-name>
>                 
> <servlet-class>be.nepherte.coda.server.DatabaseServiceImpl</servlet-
> class>
>         </servlet>
>         <servlet-mapping>
>                 <servlet-name>DatabaseService</servlet-name>
>                 <url-pattern>/coda/databaseService</url-pattern>
>         </servlet-mapping>
>         <welcome-file-list>
>                 <welcome-file>coda.html</welcome-file>
>         </welcome-file-list>
> </web-app>
>
> The deployed file structure on the server is something like:
> WEB-INF/
> WEB-INF/web.xml
> WEB-INF/classes/be/nepherte/coda/{client,server}
> WEB-INF/lib/ -- has gwt-server.jar
> coda/ -- generated html files with the javascripts
> coda.html
> style.css
>
> When I look in the acces logs, the attempt to access the service is:
> 127.0.0.1 - - [22/May/2009:21:17:47 +0200] "POST /CODA/coda/
> databaseService HTTP/1.1" 500 3136
>
> Can anybody help me out?
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