[jboss-jira] [JBoss JIRA] Updated: (JBAS-7699) java.lang.ClassCastException when creating a remote interface

Remy Maucherat (JIRA) jira-events at lists.jboss.org
Fri Feb 5 11:09:21 EST 2010


     [ https://jira.jboss.org/jira/browse/JBAS-7699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Remy Maucherat updated JBAS-7699:
---------------------------------

          Component/s: EJB2
    Affects Version/s: JBossAS-4.0.3 Final
             Assignee: Alexey Loubyansky  (was: Remy Maucherat)


> 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) 
>          Components: EJB2
>    Affects Versions: JBossAS-4.0.3 Final
>         Environment: Unix
> apache
> jboss 4.0.3
> jdk1.5.0_06
>            Reporter: Leon James
>            Assignee: Alexey Loubyansky
>
> 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 ! ! !

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