作为@Stateless EJB的JAX-RS服务：NameNotFoundException

Question

我尝试构建一个带有Rest服务和EJB注入的Java EE7应用程序。我创建了一个多模块maven项目，并将其部署在Glassfish 4上。我最后一个EAR包含一个带有EJB的JAR，例如，带有我的Rest服务定义：

@Stateless
@Path("countries")
public class CountryRest {

   //@EJB 
   //StockService stockService;

   @GET
   public Response getCountries() {
      //stockService.getAll(); --> firing a NPE, stockService is Null
      return Response.ok().build();
   }
}

@Stateless
@Remote(IStockService.class)
public class StockService implements IStockService {

    @Override
    public List<Stock> getAllStock() {
        return new ArrayList<Stock>();
    }
}

当我部署我的应用程序时，我看到下面的日志似乎还可以。即使我想知道它为什么定义“java：global”JNDI，因为默认情况下@Stateless EJB是@local:

Portable JNDI names for EJB CountryRest: [java:global/GeoData-ear/GeoData-ejb-1.0-SNAPSHOT/CountryRest, java:global/GeoData-ear/GeoData-ejb-1.0-SNAPSHOT/CountryRest!com.tomahim.geodata.rest.CountryRest]
Portable JNDI names for EJB StockService: [java:global/GeoData-ear/GeoData-ejb-1.0-SNAPSHOT/StockService, java:global/GeoData-ear/GeoData-ejb-1.0-SNAPSHOT/StockService!com.tomahim.geodata.services.IStockService]

Avertissement: An instance of EJB class, com.tomahim.geodata.rest.CountryRest, could not be looked up using simple form name. Attempting to look up using the fully-qualified form name.
javax.naming.NamingException: Lookup failed for 'java:module/CountryRest' in SerialContext[myEnv={java.naming.factory.initial=com.sun.enterprise.naming.impl.SerialInitContextFactory, java.naming.factory.state=com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl, java.naming.factory.url.pkgs=com.sun.enterprise.naming} [Root exception is javax.naming.NameNotFoundException: No object bound to name java:module/CountryRest]

编辑1：通过将我的Rest定义和EJB放置在我的webapp maven模块部署为WAR中，我能够使@EJB注入工作。因此，似乎只有在将EJB部署到JAR中时才会出现问题。知道吗？JAR和WAR部署之间有什么区别？

Answer 1

JAX-RS规范要求所有RESTendpoint必须位于WAR文件中。你真的需要EAR文件吗？