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[jboss-user] [JBoss Seam] - Is it possible to have same Class name
 Different package/@Na

scott.stark@jboss.org

2007-06-13


Is it possible in Seam to have two SFSB that have the same class name but be in two packages with different component names?


| package com.firstpackage.inf
|
| @Local
| public interface ISomeEditor{
| ... methods ...
| }
|

| package com.firstpackage
|
| @Name("component1")
| @Stateful
| public class SomeEditor implements com.firstpackage.inf.ISomeEditor{
| ...methods...
| }
|


| package com.secondpackage.inf
|
| @Local
| public interface ISomeEditor{
| ... methods ...
| }
|

| package com.secondpackage
|
| @Name("component2")
| @Stateful
| public class SomeEditor implements com.secondpackage.inf.ISomeEditor{
| ...methods...
| }
|

It seems this isn't possible, I am getting the following error with 1.2.0p1. If I change the name of the class (Interface name can be the same), everything works:

| javax.faces.el.EvaluationException: Exception while invoking expression #{component1.showRoles}
|      at org.apache.myfaces.el.MethodBindingImpl.invoke (MethodBindingImpl.java:165)
|      at org.jboss.seam.actionparam.ActionParamBindingHelper.invokeTheExpression(ActionParamBindingHelper.java:58)
|      at org.jboss.seam.actionparam.ActionParamMethodBinding.invoke(ActionParamMethodBinding.java:75)
|      at org.jboss.seam.core.Expressions$2.invoke(Expressions.java:106)
|      at org.jboss.seam.core.Pages.callAction(Pages.java:466)
|      at org.jboss.seam.core.Pages.enterPage(Pages.java:275)
|      at org.jboss.seam.jsf.AbstractSeamPhaseListener.enterPage(AbstractSeamPhaseListener.java:242)
|      at org.jboss.seam.jsf.AbstractSeamPhaseListener.beforeRender(AbstractSeamPhaseListener.java:193)
|      at org.jboss.seam.jsf.SeamPhaseListener.beforePhase(SeamPhaseListener.java:57)
|      at org.apache.myfaces.lifecycle.PhaseListenerManager.informPhaseListenersBefore(PhaseListenerManager.java:70)
|      at org.apache.myfaces.lifecycle.LifecycleImpl.render (LifecycleImpl.java:373)
|      at javax.faces.webapp.FacesServlet.service (FacesServlet.java:138)
|      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:252)
|      at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:173)
|      at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._invokeDoFilter (TrinidadFilterImpl.java:210)
|      at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl (TrinidadFilterImpl.java:167)
|      at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter (TrinidadFilterImpl.java:140)
|      at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter (TrinidadFilter.java:93)
|      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:202)
|      at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:173)
|      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:202)
|      at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:173)
|      at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63)
|      at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
|      at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
|      at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
|      at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
|      at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79)
|      at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
|      at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
|      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:202)
|      at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:173)
|      at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter (ReplyHeaderFilter.java:96)
|      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:202)
|      at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:173)
|      at org.apache.catalina.core.StandardWrapperValve.invoke (StandardWrapperValve.java:213)
|      at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:178)
|      at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke (SecurityAssociationValve.java:175)
|      at org.jboss.web.tomcat.security.JaccContextValve.invoke (JaccContextValve.java:74)
|      at org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:126)
|      at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:105)
|      at org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:107)
|      at org.apache.catalina.connector.CoyoteAdapter.service (CoyoteAdapter.java:148)
|      at org.apache.jk.server.JkCoyoteHandler.invoke (JkCoyoteHandler.java:199)
|      at org.apache.jk.common.HandlerRequest.invoke (HandlerRequest.java:282)
|      at org.apache.jk.common.ChannelSocket.invoke (ChannelSocket.java:754)
|      at org.apache.jk.common.ChannelSocket.processConnection (ChannelSocket.java:684)
|      at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:876)
|      at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
|      at java.lang.Thread.run (Thread.java:595)
| Caused by: java.lang.ClassCastException: $Proxy335
|      at com.firstpackage.inf.ISomeEditor$$FastClassByCGLIB$$3c2e74ac.invoke(<generated>)
|      at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
|      at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:45)
|      at org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:74)
|      at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:57)
|      at org.jboss.seam.interceptors.RemoveInterceptor.aroundInvoke(RemoveInterceptor.java:40)
|      at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69)
|      at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:103)
|      at org.jboss.seam.intercept.ClientSideInterceptor.intercept(ClientSideInterceptor.java:52)
|      at org.jboss.seam.intercept.Proxy$$EnhancerByCGLIB$$1db42c93.initialize(<generated>)
|      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.seam.util.Reflections.invoke(Reflections.java:18)
|      at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:121)
|      at org.jboss.seam.Component.callComponentMethod(Component.java:1802)
|      at org.jboss.seam.Component.callCreateMethod(Component.java:1725)
|      at org.jboss.seam.Component.newInstance(Component.java:1714)
|      at org.jboss.seam.Component.getInstance(Component.java:1611)
|      at org.jboss.seam.Component.getInstance(Component.java:1578)
|      at org.jboss.seam.jsf.SeamVariableResolver.resolveVariable(SeamVariableResolver.java:53)
|      at org.apache.myfaces.trinidadinternal.el.TrinidadVariableResolver.resolveVariable(TrinidadVariableResolver.java:55)
|      at org.apache.myfaces.config.LastVariableResolverInChain.resolveVariable(LastVariableResolverInChain.java:42)
|      at org.apache.myfaces.el.ValueBindingImpl$ELVariableResolver.resolveVariable(ValueBindingImpl.java:574)
|      at org.apache.commons.el.NamedValue.evaluate (NamedValue.java:124)
|      at org.apache.myfaces.el.ValueBindingImpl.resolveToBaseAndProperty (ValueBindingImpl.java:455)
|      at org.apache.myfaces.el.MethodBindingImpl.resolveToBaseAndProperty (MethodBindingImpl.java:180)
|      at org.apache.myfaces.el.MethodBindingImpl.invoke (MethodBindingImpl.java:114)
|      ... 50 more
| 23:12:27,531 INFO [Exceptions] reading exception mappings from /WEB-INF/pages.xml
| 23:12:27,531 ERROR [DebugPageHandler] redirecting to debug page
|

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