gwt guice injecting remote servlet. Error 404 not found
Question
I would like to use the Guice in my remote servlet but encountered this annoying errors.
Before running my project there is an error already.
WARNING: Error starting handlers java.lang.NoSuchMethodError: com.google.inject.Scopes.isSingleton(Lcom/google/inject/Binding;)Z at com.google.inject.servlet.ServletDefinition.init(ServletDefinition.java:103) at com.google.inject.servlet.ManagedServletPipeline.init(ManagedServletPipeline.java:82) at com.google.inject.servlet.ManagedFilterPipeline.initPipeline(ManagedFilterPipeline.java:102) at com.google.inject.servlet.GuiceFilter.init(GuiceFilter.java:172) at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:97) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:662) at org.mortbay.jetty.servlet.Context.startContext(Context.java:140) at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467) at org.mort bay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) at org.mortbay.jetty.Server.doStart(Server.java:224) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:191) at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:239) at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:146) at com.google.appengine.tools.development.gwt.AppEngineLauncher.start(AppEngineLauncher.java:97) at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:509) at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:1068) at com.google.gwt.dev.DevModeBase.run (DevModeBase.java:811) at com.google.gwt.dev.DevMode.main(DevMode.java:311)
After running the project.
404
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"/>
<title>Error 404 NOT_FOUND</title>
</head>
<body>
<h2>HTTP ERROR: 404</h2>
<p>Problem accessing /mercado/login. Reason:
<pre> NOT_FOUND</pre></p>
<hr /><i><small>Powered by Jetty://</small></i>
Here is my code.
<listener>
<listener-class>ph.com.mercado.server.ioc.GuiceServletListener</listener-class>
</listener>
<filter>
<filter-name>guiceFilter</filter-name>
<filter-class>com.google.inject.servlet.GuiceFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>guiceFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
public class GuiceServiceModule extends AbstractModule {
@Override
protected void configure() {
bind(LoginServiceImpl.class).in(Singleton.class);
public class GuiceServletListener extends GuiceServletContextListener{
@Override
public Injector getInjector() {
return Guice.createInjector(new GuiceServletModule(), new GuiceServiceModule());
}
public class GuiceServletModule extends ServletModule {
@Override
protected void configureServlets() {
serve("/mercado/login").with(LoginServiceImpl.class);
@RemoteServiceRelativePath("login")
public interface LoginService extends RemoteService {
public LoginInfo loginGoggle(String requestUri);
public class LoginServiceImpl extends RemoteServiceServlet implements
LoginService {
@Inject
private UserDao userDao;
@Override
public LoginInfo loginGoggle(String requestUri) {}
}
What seems to be the problem? Thank you.
1 answers
solution1
1 ACCPTED 2012-03-21 07:39:55
See Scopes.java
Method isSingleton has been added to 2.1 (current is 3.0). Check your installation (probably you use guice 2.0)
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.