java.lang.ClassCastException when creating a remote interface ------------------------------------------------------------- Key: JBAS-7699 URL: https://jira.jboss.org/jira/browse/JBAS-7699 Project: JBoss Application Server Issue Type: Bug Security Level: Public(Everyone can see) Environment: Unix apache jboss 4.0.3 jdk1.5.0_06 Reporter: Leon James Assignee: Remy Maucherat I deploy a ear on my web jboss server(4.0.3),it contains a web module and EJBs. when I try to creating a remote interface ,it occurs a exception, Source code: firstServlet.java ...... Hashtable env=System.getProperties(); env.put(Context.INITIAL_CONTEXT_FACTORY,"org.jnp.interfaces.NamingContextFactory"); env.put(Context.PROVIDER_URL,"jnp://localhost"); Context ctx=new InitialContext(); Object obj=ctx.lookup("Test"); TestHome th=(TestHome)PortableRemoteObject.narrow(obj,TestHome.class); Test t=th.create(); // line 35 out.println(t.SayHello()); ....... TestBean.java: import javax.ejb.SessionBean; import javax.ejb.SessionContext; import javax.ejb.CreateException; public class TestBean implements SessionBean { SessionContext sessionContext; public void ejbCreate() throws CreateException { } public void ejbRemove() { } public void ejbActivate() { } public void ejbPassivate() { } public void setSessionContext(SessionContext sessionContext) { this.sessionContext = sessionContext; } public String SayHello() { return "Hello World!"; } } and exception: java.lang.ClassCastException: $Proxy51 at linuxtext.s3.doGet(s3.java:35) at javax.servlet.http.HttpServlet.service(HttpServlet.java:697) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:595) what's the problem? I want to deploy ,need help ! ! !