[jboss-user] [EJB 3.0 Users] - JBoss 4.2.1 RemoteEJB Lookup ClassCastException
kyle.bober
do-not-reply at jboss.com
Wed Nov 11 17:47:36 EST 2009
I have two EAR files that each contain an ejb jar file.
I have configured each of the EAR files to isolate there classloaders like so..
| <?xml version="1.0" encoding="UTF-8"?>
| <!DOCTYPE jboss-app PUBLIC
| "-//JBoss//DTD J2EE Application 1.4//EN"
| "http://www.jboss.org/j2ee/dtd/jboss-app_4_2.dtd">
| <jboss-app>
| <loader-repository>com.kbss:loader=service1.ear
| <loader-repository-config>java2ParentDelegation=false</loader-repository-config>
| </loader-repository>
| </jboss-app>
|
and
| <?xml version="1.0" encoding="UTF-8"?>
| <!DOCTYPE jboss-app PUBLIC
| "-//JBoss//DTD J2EE Application 1.4//EN"
| "http://www.jboss.org/j2ee/dtd/jboss-app_4_2.dtd">
| <jboss-app>
| <loader-repository>com.kbss:loader=service2.ear
| <loader-repository-config>java2ParentDelegation=false</loader-repository-config>
| </loader-repository>
| </jboss-app>
|
Here is the Local, Remote and Implementation class for Service1EJB
Local
| package com.kbss;
|
| import java.util.List;
| import javax.ejb.Remote;
|
| @Local
| public interface IService1Local {
|
| public static final String EJB_JNDI = "Service1/local";
|
| public Integer read() throws RemoteException;
| }
|
Remote
| package com.thesearchagency.mms.service.customization;
|
| import java.util.List;
|
| import javax.ejb.Remote;
| import javax.xml.bind.annotation.XmlTransient;
|
| @Remote
| public interface IService1Remote {
|
| /**
| * JNDI registrations for locating interface:
| */
| public static final String EJB_JNDI = "Service1/remote";
|
| public Integer read() throws RemoteException;
| }
|
Implementation
|
| package com.kbss;
|
| import javax.ejb.Stateless;
| import org.jboss.annotation.ejb.LocalBinding;
| import org.jboss.annotation.ejb.RemoteBinding;
|
| @Stateless
| @LocalBinding(jndiBinding=IService1Local.EJB_JNDI)
| @RemoteBinding(jndiBinding=IService1Remote.EJB_JNDI)
| public class Service1EJB implements IService1Local, IService1Remote {
|
| public Integer read() throws RemoteException {
| return new Integer(123);
| }
| }
|
Here is the Local, Remote and Implementation class for Service2EJB
Local
| package com.kbss;
|
| import javax.ejb.Local;
|
| @Local
| public interface IService2Local {
|
| public static final String EJB_JNDI = "Service2/local";
|
| public void test() throws RemoteException;
| }
|
Remote
| package com.kbss;
|
| import javax.ejb.Remote;
|
| @Remote
| public interface IService2Remote {
|
| public static final String EJB_JNDI = "Service2/remote";
|
|
| public void test() throws RemoteException;
| }
|
Implementation
| package com.kbss;
|
| import javax.ejb.Stateless;
| import javax.naming.InitialContext;
| import javax.naming.NamingException;
|
| import org.jboss.annotation.ejb.LocalBinding;
| import org.jboss.annotation.ejb.RemoteBinding;
|
| @Stateless
| @LocalBinding(jndiBinding=IUserLocal.EJB_JNDI)
| @RemoteBinding(jndiBinding=IUserRemote.EJB_JNDI)
| public class Service2EJB implements IService2Local, IService2Remote {
|
|
| public void test() throws RemoteException {
|
| InitialContext ctx = new InitialContext();
| IService1Remote remote = (IService1Remote)ctx.lookup(IService1Remote.EJB_JNDI);
| System.out.println("Remote Integer :: "+remote.read());
| }
| }
|
When I call the test method on service1 I am always presented with the following ClassCastException:
(I changed some of the above code to remove my clients information so the Exception Stack maybe a little different then the classes stated above)
| javax.ejb.EJBException: java.lang.ClassCastException: $Proxy187
| at org.jboss.ejb3.tx.Ejb3TxPolicy.handleExceptionInOurTx(Ejb3TxPolicy.java:63)
| at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:83)
| at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
| at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:106)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:214)
| at org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:184)
| at org.jboss.ejb3.stateless.StatelessLocalProxy.invoke(StatelessLocalProxy.java:81)
| at $Proxy196.create(Unknown Source)
| at com.kbss.mms.service.user.impl.UserWS.create(UserWS.java:48)
| 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:585)
| at org.jboss.ws.core.server.ServiceEndpointInvokerJSE.invokeServiceEndpointInstance(ServiceEndpointInvokerJSE.java:104)
| at org.jboss.ws.core.server.AbstractServiceEndpointInvoker.invoke(AbstractServiceEndpointInvoker.java:207)
| at org.jboss.ws.core.server.ServiceEndpoint.processRequest(ServiceEndpoint.java:212)
| at org.jboss.ws.core.server.ServiceEndpointManager.processRequest(ServiceEndpointManager.java:448)
| at org.jboss.ws.core.server.AbstractServiceEndpointServlet.doPost(AbstractServiceEndpointServlet.java:114)
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
| at org.jboss.ws.core.server.AbstractServiceEndpointServlet.service(AbstractServiceEndpointServlet.java:75)
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
| at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
| at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
| at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
| at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
| at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
| at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
| at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
| at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
| at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
| at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
| at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
| at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
| at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
| at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
| at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
| at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
| at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
| at java.lang.Thread.run(Thread.java:595)
| Caused by: java.lang.ClassCastException: $Proxy187
| at com.kbss.mms.service.user.impl.UserEJB.getRemoteService(UserEJB.java:83)
| at com.kbss.mms.service.user.impl.UserEJB.create(UserEJB.java:52)
| 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:585)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
| at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
| at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)
| ... 48 more
| 17:38:07,031 ERROR [SOAPFaultHelperJAXWS] SOAP request exception
| javax.ejb.EJBException: java.lang.ClassCastException: $Proxy187
| at org.jboss.ejb3.tx.Ejb3TxPolicy.handleExceptionInOurTx(Ejb3TxPolicy.java:63)
| at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:83)
| at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
| at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:106)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:214)
| at org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:184)
| at org.jboss.ejb3.stateless.StatelessLocalProxy.invoke(StatelessLocalProxy.java:81)
| at $Proxy196.create(Unknown Source)
| at com.kbss.mms.service.user.impl.UserWS.create(UserWS.java:48)
| 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:585)
| at org.jboss.ws.core.server.ServiceEndpointInvokerJSE.invokeServiceEndpointInstance(ServiceEndpointInvokerJSE.java:104)
| at org.jboss.ws.core.server.AbstractServiceEndpointInvoker.invoke(AbstractServiceEndpointInvoker.java:207)
| at org.jboss.ws.core.server.ServiceEndpoint.processRequest(ServiceEndpoint.java:212)
| at org.jboss.ws.core.server.ServiceEndpointManager.processRequest(ServiceEndpointManager.java:448)
| at org.jboss.ws.core.server.AbstractServiceEndpointServlet.doPost(AbstractServiceEndpointServlet.java:114)
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
| at org.jboss.ws.core.server.AbstractServiceEndpointServlet.service(AbstractServiceEndpointServlet.java:75)
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
| at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
| at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
| at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
| at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
| at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
| at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
| at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
| at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
| at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
| at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
| at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
| at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
| at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
| at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
| at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
| at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
| at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
| at java.lang.Thread.run(Thread.java:595)
| Caused by: java.lang.ClassCastException: $Proxy187
| at com.kbss.mms.service.user.impl.UserEJB.getRemoteService(UserEJB.java:83)
| at com.thesearchagency.mms.service.user.impl.UserEJB.create(UserEJB.java:52)
| 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:585)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
| at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
| at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)
| ... 48 more
|
|
Both of these EAR are deployed on the same JBoss instance. I assume I am doing something wrong in trying to make a RemoteEJB call. Any help here would be much appreciated. I have looked at all the other forum posts in the EJB forum and nothing has helped me resolve this issue.
Thanks,
Kyle
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