Я могу запустить пример C2DM, используя сгенерированный пример кода. Однако, когда я пытаюсь реализовать собственный RPC с помощью мастера Eclipse, это была ошибка:Android App Engine C2DM RPC Ошибка: Нет RequestContext для работы
17 января 2012 11:19:13 PM com.google.web.bindery.requestfactory.server.ServiceLayerDecorator умереть СЕРЬЕЗНОГО : Нет RequestContext для работы MG19Dafmkcg_3 $ 9lmRyrb_HKoK8 = янв 17, 2012 11:19:13 PM com.google.web.bindery.requestfactory.server.RequestFactoryServlet doPost СИЛЬНЫЙ: Непредвиденная ошибка com.google.web.bindery.requestfactory. server.UnexpectedException: Нет RequestContext для операции MG19Dafmkcg_3 $ 9lmRyrb_HKoK8 = на com.google.web.bindery.requestfactory.server.ServiceLayerDecorator.die (ServiceLayerDecorator.java:216) на com.google.web.bindery.requestfactory.server. ResolverServiceLayer.resol veRequestContext (ResolverServiceLayer.java:154) на com.google.web.bindery.requestfactory.server.ServiceLayerDecorator.resolveRequestContext (ServiceLayerDecorator.java:162) в com.google.web.bindery.requestfactory.server.FindServiceLayer.resolveRequestContext (FindServiceLayer.java:54) на com.google.web.bindery.requestfactory.server.ServiceLayerDecorator.resolveRequestContext (ServiceLayerDecorator.java:162) на com.google.web.bindery.requestfactory.server.ServiceLayerDecorator.resolveRequestContext (ServiceLayerDecorator. Java: 162) на sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) в sun.reflect.NativeMethodAccessorImpl.invoke (Unknown Source) в sun.reflect.DelegatingMethodAccessorImpl.invoke (Unknown Source) в java.la ng.reflect.Method.invoke (Неизвестный источник) на com.google.appengine.tools.development.agent.runtime.Runtime.invoke (Runtime.java:104) на com.google.web.bindery.requestfactory.server .ServiceLayerCache.getOrCache (ServiceLayerCache.java:233) на com.google.web.bindery.requestfactory.server.ServiceLayerCache.resolveRequestContext (ServiceLayerCache.java:187) на com.google.web.bindery.requestfactory.server.ResolverServiceLayer .resolveRequestContextMethod (ResolverServiceLayer.java:161) на com.google.web.bindery.requestfactory.server.ServiceLayerDecorator.resolveRequestContextMethod (ServiceLayerDecorator.java:167) в com.google.web.bindery.requestfactory.server.FindServiceLayer.resolveRequestContextMethod (FindServiceLayer.java:70) по адресу com.google.web.bindery.requestfactory. server.ServiceLayerDecorator.resolveRequestContextMethod (ServiceLayerDecorator.java:167) на com.google.web.bindery.requestfactory.server.ServiceLayerDecorator.resolveRequestContextMethod (ServiceLayerDecorator.java:167) на sun.reflect.NativeMethodAccessorImpl.invoke0 (нативный метод) at sun.reflect.NativeMethodAccessorImpl.invoke (Неизвестный источник) at sun.reflect.DelegatingMethodAccessorImpl.invoke (Неизвестный источник) at java.lang.reflect.Method.invoke (Неизвестный источник) at com.google.appengine.tools. development.agent.runtime.Runtime.invoke (Runtime.java:104) на com.google.web.bindery.requestfactory.server.ServiceLayerCache.getOrCache (ServiceLayerCache.java:233) на com.google.web.bindery. requestfactory.server.ServiceLayerCache.resolveReques tContextMethod (ServiceLayerCache.java:193) на com.google.web.bindery.requestfactory.server.SimpleRequestProcessor.processInvocationMessages (SimpleRequestProcessor.java:434) на com.google.web.bindery.requestfactory.server.SimpleRequestProcessor.process (SimpleRequestProcessor.java:225) at com.google.web.bindery.requestfactory.server.SimpleRequestProcessor.process (SimpleRequestProcessor.java:127) at com.google.web.bindery.requestfactory.server.RequestFactoryServlet.doPost (RequestFactoryServlet. java: 133) at javax.servlet.http.HttpServlet.service (HttpServlet.java:637) at javax.servlet.http.HttpServlet.service (HttpServlet.java:717) at org.mortbay.jetty.servlet.ServletHolder.handle (ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter (ServletHandler.java:1166) at com.google.appengine.tools.development.HeaderVerificationFilter.doFilter (HeaderVerificationFilter.java:35) at org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter (ServletHandler.java:1157) в com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter (ServeBlobFilter.java:60) в org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter (ServletHandler.java:1157) на ком. google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter (TransactionCleanupFilter.java:43) at org.mortbay.jetty.serv let.ServletHandler $ CachedChain.doFilter (ServletHandler.java:1157) at com.google.appengine.tools.development.StaticFileFilter.doFilter (StaticFileFilter.java:122) at org.mortbay.jetty.servlet.ServletHandler $ CachedChain. doFilter (ServletHandler.java:1157) at com.google.appengine.tools.development.BackendServersFilter.doFilter (BackendServersFilter.java:97) at org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter (ServletHandler.java: 1157) at org.mortbay.jetty.servlet.ServletHandler.handle (ServletHandler.java:388) at org.mortbay.jetty.security.SecurityHandler.handle (SecurityHandler.java:216) at org.mortbay.jetty. servlet.SessionHandler.handle (SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle (ContextHa ndler.java:765) на org.mortbay.jetty.webapp.WebAppContext.handle (WebAppContext.java:418) на com.google.appengine.tools.development.DevAppEngineWebAppContext.handle (DevAppEngineWebAppContext.java:78) на org.mortbay.jetty.handler.HandlerWrapper.handle (HandlerWrapper.java:152) at com.google.appengine.tools.development.JettyContainerService $ ApiProxyHandler.handle (JettyContainerService.java:362) at org.mortbay.jetty. handler.HandlerWrapper.handle (HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle (Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest (HttpConnection.java:542) at org.mortbay.jetty.HttpConnection $ RequestHandler.content (HttpConnection.java:938) at org.mortbay.jetty.H ttpParser.parseNext (HttpParser.java:755) на org.mortbay.jetty.HttpParser.parseAvailable (HttpParser.java:218) в org.mortbay.jetty.HttpConnection.handle (HttpConnection.java:404) в орг. mortbay.io.nio.SelectChannelEndPoint.run (SelectChannelEndPoint.java:409) в org.mortbay.thread.QueuedThreadPool $ PoolThread.run (QueuedThreadPool.java:582)
Моя сущность является:
package com.serene.receiptninja.server;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
@Entity
public class SyncEvent {
@Id
@Column(name = "id")
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private String message;
public void setMessage(String message) {
this.message = message;
}
public String getMessage() {
return message+" Sent from my app engine.";
}
public Long getId() {
return id;
}
}
Запрос:
package com.serene.receiptninja.shared;
import java.util.List;
import com.google.web.bindery.requestfactory.shared.Request;
import com.google.web.bindery.requestfactory.shared.RequestContext;
import com.google.web.bindery.requestfactory.shared.ServiceName;
@ServiceName(value = "com.serene.receiptninja.server.SyncEventService", locator = "com.serene.receiptninja.server.SyncEventServiceLocator")
public interface SyncEventRequest extends RequestContext {
Request<SyncEventProxy> createSyncEvent();
Request<SyncEventProxy> readSyncEvent(Long id);
Request<SyncEventProxy> updateSyncEvent(SyncEventProxy syncevent);
Request<Void> deleteSyncEvent(SyncEventProxy syncevent);
Request<List<SyncEventProxy>> querySyncEvents();
}
Proxy:
пакет com.serene.receiptninja.общий;
import com.google.web.bindery.requestfactory.shared.ProxyForName;
import com.google.web.bindery.requestfactory.shared.ValueProxy;
@ProxyForName(value = "com.serene.receiptninja.server.SyncEvent", locator = "com.serene.receiptninja.server.SyncEventLocator")
public interface SyncEventProxy extends ValueProxy {
void setMessage(String message);
String getMessage();
Long getId();
}
RequestFactory:
import com.google.web.bindery.requestfactory.shared.InstanceRequest;
import com.google.web.bindery.requestfactory.shared.Request;
import com.google.web.bindery.requestfactory.shared.RequestContext;
import com.google.web.bindery.requestfactory.shared.RequestFactory;
import com.google.web.bindery.requestfactory.shared.ServiceName;
import com.serene.receiptninja.shared.MessageProxy;
import com.serene.receiptninja.shared.RegistrationInfoProxy;
import com.serene.receiptninja.shared.SyncEventRequest;
public interface MyRequestFactory extends RequestFactory {
@ServiceName("com.serene.receiptninja.server.HelloWorldService")
public interface HelloWorldRequest extends RequestContext {
/**
* Retrieve a "Hello, World" message from the server.
*/
Request<String> getMessage();
}
@ServiceName("com.serene.receiptninja.server.RegistrationInfo")
public interface RegistrationInfoRequest extends RequestContext {
/**
* Register a device for C2DM messages.
*/
InstanceRequest<RegistrationInfoProxy, Void> register();
/**
* Unregister a device for C2DM messages.
*/
InstanceRequest<RegistrationInfoProxy, Void> unregister();
}
@ServiceName("com.serene.receiptninja.server.Message")
public interface MessageRequest extends RequestContext {
/**
* Send a message to a device using C2DM.
*/
InstanceRequest<MessageProxy, String> send();
}
HelloWorldRequest helloWorldRequest();
RegistrationInfoRequest registrationInfoRequest();
MessageRequest messageRequest();
SyncEventRequest syncEventRequest();
}
Android код:
final SyncEventRequest request = requestFactory.syncEventRequest();
request.createSyncEvent().fire(new Receiver <SyncEventProxy>(){
@Override
public void onSuccess(SyncEventProxy arg0) {
// TODO Auto-generated method stub
message = arg0.getMessage();
}
});