Hi,
do you have RemoteServiceCallAsync.java in your project?
On 1 Feb., 05:48, Tan Jia Bao <jayjia...@gmail.com> wrote:
> Hi, Previously I had posted about retrieving ArrayList using RPC Service but
> I've met with some errors and I decided to take it step by step and then
> slowly build my application but currently I'm having an error using even
> most basic RPC Service. Can anyone help? I'm getting the following error
> from *NETBEANS 6.8.*
> **
> Thanks in advance
>
> Scanning for additional dependencies:
> file:/C:/Users/Jiabao/Desktop/Assignment/Jan%2025%202010/SnagIT/src/java/or
> g/snagit/client/RemoteServiceMain.java
> Computing all possible rebind results for
> 'org.snagit.client.RemoteServiceCall'
> Rebinding org.snagit.client.RemoteServiceCall
> Invoking <generate-with
> class='com.google.gwt.user.rebind.rpc.ServiceInterfaceProxyGenerator'/>
> Generating client proxy for remote service interface
> 'org.snagit.client.RemoteServiceCall'
> [ERROR] Could not find an asynchronous version for the
> service interface org.snagit.client.RemoteServiceCall
> A valid definition for the asynchronous version of
> interface 'org.snagit.client.RemoteServiceCall' would be:
> [ERROR]
> package org.snagit.client;
> public interface RemoteServiceCallAsync {
> void retrieveProducts(java.lang.String s,
> com.google.gwt.user.client.rpc.AsyncCallback<java.lang.String> arg2);}
>
> [ERROR] Errors in
> 'file:/C:/Users/Jiabao/Desktop/Assignment/Jan%2025%202010/SnagIT/src/java/o
> rg/snagit/client/RemoteServiceMain.java'
> [ERROR] Line 67: Failed to resolve
> 'org.snagit.client.RemoteServiceCall' via deferred binding
> [ERROR] Cannot proceed due to previous errors
> C:\Users\Jiabao\Desktop\Assignment\Jan 25
> 2010\SnagIT\nbproject\build-gwt.xml:88: The following error occurred while
> executing this line:
> C:\Users\Jiabao\Desktop\Assignment\Jan 25
> 2010\SnagIT\nbproject\build-gwt.xml:140: Java returned: 1
> BUILD FAILED (total time: 9 seconds)
>
> Here are my code snippets.
>
> public class MainEntryPoint implements EntryPoint {
> /**
> * Creates a new instance of MainEntryPoint
> */
> private ArrayList itemList;
> public MainEntryPoint() {
> }
> /**
> * The entry point method, called automatically by loading a module
> * that declares an implementing class as an entry-point
> */
> public void onModuleLoad() {
> RootPanel rootPanel = RootPanel.get();
> AbsolutePanel productPanel = new AbsolutePanel();
> productPanel.setWidth("880px");
> Button btn = new Button();
> btn.setText("Hello");
> productPanel.add(btn);
> RemoteServiceMain createBtn = new RemoteServiceMain();
> productPanel.add(createBtn);
> rootPanel.add(productPanel);
> }
>
> }
>
> ///////////////////////////////////////////////////////////////////////////
> ///////////////////////////////////////////////////////////////
>
> public class RemoteServiceMain extends VerticalPanel {
>
> PushButton pushButton = new PushButton();
> public RemoteServiceMain() {
> pushButton.setText("Click Me!");
> add(pushButton);
> final AsyncCallback<String> callback = new AsyncCallback<String>() {
> public void onSuccess(String result) {
> System.out.println("Works");
> }
> public void onFailure(Throwable caught) {
> System.out.println("Communication failed");
> }
> };
> pushButton.addClickHandler(new ClickHandler() {
> public void onClick(ClickEvent event) {
> ArrayList list = new ArrayList();
> getService().retrieveProducts("electronics", callback);
> }
> });
> }
> public static RemoteServiceController getService() {
> // Create the client proxy. Note that although you are creating the
> // service interface proper, you cast the result to the asynchronous
> // version of the interface. The cast is always safe because the
> // generated proxy implements the asynchronous interface
> automatically.
> return GWT.create(RemoteServiceCall.class);
> }
>
> }
>
> ///////////////////////////////////////////////////////////////////////////
> ///////////////////////////////////////////////////////////////
>
> @RemoteServiceRelativePath("remoteservicecall")
> public interface RemoteServiceCall extends RemoteService {
> public String retrieveProducts(String s);
>
> }
>
> ///////////////////////////////////////////////////////////////////////////
> ///////////////////////////////////////////////////////////////
>
> public interface RemoteServiceController {
> public void retrieveProducts(String s, AsyncCallback<String> callback);
>
> }
>
> ///////////////////////////////////////////////////////////////////////////
> ///////////////////////////////////////////////////////////////
>
> public class RemoteServiceServer extends RemoteServiceServlet implements
> RemoteServiceCall {
> public String retrieveProducts(String s) {
> return s + " This works!";
> }
>
>
>
> }
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