我有一個EAR文件,其中包含一個ejb jar和web模塊。 EJB JAR包含一個無狀態EJB和本地接口Servelet中的EJB注入失敗,「解決方案不應通過注入容器發生」
@Stateless(name="MsgProducer")
@Local(MsgProducerLocal.class)
public class MsgProducer implements MsgProducerLocal {
public void sendMessage{}
}
現在我有一個servlet的我在哪裏注射用@EJB註解這個會話Bean,但是當我部署此EAR在兩個EJB JAR和的web.war模塊裏面jboss 5.1然後它拋出以下異常。
java.lang.IllegalStateException: Resolution should not happen via injection container
at org.jboss.web.tomcat.service.TomcatInjectionContainer.getEjbJndiName(TomcatInjectionContainer.java:640)
at org.jboss.injection.EjbEncInjector.inject(EjbEncInjector.java:80)
at org.jboss.web.tomcat.service.TomcatInjectionContainer.populateEnc(TomcatInjectionContainer.java:482)
at org.jboss.web.tomcat.service.deployers.TomcatDeployment$EncListener.lifecycleEvent(TomcatDeployment.java:471)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4388)
at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeployInternal(TomcatDeployment.java:310)
at org.jboss.web.tomcat.service.deployers.TomcatDeployment.performDeploy(TomcatDeployment.java:142)
at org.jboss.web.deployers.AbstractWarDeployment.start(AbstractWarDeployment.java:461)
at org.jboss.web.deployers.WebModule.startModule(WebModule.java:118)
at org.jboss.web.deployers.WebModule.start(WebModule.java:97)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)
at org.jboss.system.microcontainer.ServiceProxy.invoke(ServiceProxy.java:206)
at $Proxy38.start(Unknown Source)
在我的web.xml中,我使用了2.5版本的模式。這裏是我從servelet的示例代碼
public class MessageSenderServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
@EJB(name="MsgProducer")
public MsgProducerLocal producer;
/**
* @see HttpServlet#HttpServlet()
*/
public MessageSenderServlet() {
super();
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
producer.sendMessage();
response.sendRedirect("index.jsp");
}
}
我使用的是Eclipse 3.6,JBoss 5.1和EJB 3.0。
有人可以解釋我這個代碼有什麼問題嗎? 我該如何解決這個錯誤?
謝謝