[jboss-jira] [JBoss JIRA] Created: (EJBTHREE-1163) java.lang.ClassCastException

Masoodah Ahmed (JIRA) jira-events at lists.jboss.org
Mon Dec 17 15:36:43 EST 2007


java.lang.ClassCastException
----------------------------

                 Key: EJBTHREE-1163
                 URL: http://jira.jboss.com/jira/browse/EJBTHREE-1163
             Project: EJB 3.0
          Issue Type: Bug
          Components: EJB3 Extensions
         Environment: Windows XP
            Reporter: Masoodah Ahmed


Hi, 
I am currently experimenting with EJB.
I receive java.lang.ClassCastException: $Proxy489 cannot be cast to com.jbossatwork.ejb.InventoryFacadeLocalHome
 error when I cast the EJBLocalHome object to the Class InventoryFacadeLocalHome.

My JNDI look up is OK. 
what could be my problem.

Context c = new InitialContext();
System.out.println( "lookupInventoryFacadeBean");
Object localObj = c.lookup("java:comp/env/ejb/InventoryFacadeLocal");
System.out.println( "1. class name [" +localObj.toString()+"]");
           
EJBLocalHome localHome = null;
            
            
localHome = (EJBLocalHome) localObj;
if (localHome != null) {
           System.out.println("localHome is not null");
} else {
        System.out.println("localHome is null");
}

System.out.println("2. class name [" + localHome.toString() + "]");
InventoryFacadeLocalHome rv = (InventoryFacadeLocalHome)localHome;
System.out.println("3. class name [" + localHome.toString() + "]");

my output is
15:33:10,015 INFO  [EARDeployer] Init J2EE application: file:/C:/Program Files/jboss-4.0.5.GA/server/default/deploy/DreamPlay.ear
15:33:10,656 INFO  [EjbModule] Deploying InventoryFacadeBean
15:33:10,656 INFO  [EjbModule] Deploying FiboBean
15:33:10,687 INFO  [BaseLocalProxyFactory] Bound EJB LocalHome 'InventoryFacadeBean' to jndi 'InventoryFacadeLocal'
15:33:10,687 INFO  [ProxyFactory] Bound EJB Home 'InventoryFacadeBean' to jndi 'InventoryFacadeRemote'
15:33:10,687 INFO  [ProxyFactory] Bound EJB Home 'FiboBean' to jndi 'FiboRemote'
15:33:10,687 INFO  [EJBDeployer] Deployed: file:/C:/Program Files/jboss-4.0.5.GA/server/default/tmp/deploy/tmp31233DreamPlay.ear-contents/DreamPlay-ejb.jar
15:33:11,015 INFO  [TomcatDeployer] deploy, ctxPath=/DreamPlay, warUrl=.../tmp/deploy/tmp31233DreamPlay.ear-contents/DreamPlay-webapp-exp.war/
15:33:11,077 INFO  [EARDeployer] Started J2EE application: file:/C:/Program Files/jboss-4.0.5.GA/server/default/deploy/DreamPlay.ear
15:33:13,999 INFO  [STDOUT] lookupInventoryFacadeBean
15:33:13,999 INFO  [STDOUT] 1. class name [InventoryFacadeLocalHome]
15:33:13,999 INFO  [STDOUT] localHome is not null
15:33:13,999 INFO  [STDOUT] 2. class name [InventoryFacadeLocalHome]
15:33:13,999 ERROR [[Controller]] Servlet.service() for servlet Controller threw exception
java.lang.ClassCastException: $Proxy513 cannot be cast to com.jbossatwork.ejb.InventoryFacadeLocalHome
        at ControllerServlet.lookupInventoryFacadeBean2(ControllerServlet.java:456)
        at ControllerServlet.processRequest(ControllerServlet.java:163)
        at ControllerServlet.doGet(ControllerServlet.java:145)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
        at org.apache.coyote.http11.Http11BaseProtocol$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:619)


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