[jboss-user] Could not instantiate Seam component: componentList

Hi, After creating entities with generate-entities, I wanted to check application in browser. Seam throw the exception i pasted below. It says it can not instantiate due to Caused by: java.lang.RuntimeException: duplicate method: getComponent in com.weebill.sessionbeans.ComponentList_$$_javassist_20. Kind regards, Kaan org.jboss.seam.InstantiationException: Could not instantiate Seam component: componentList at org.jboss.seam.Component.newInstance(Component.java:1970) at org.jboss.seam.Component.getInstance(Component.java:1873) at org.jboss.seam.Component.getInstance(Component.java:1840) at org.jboss.seam.Namespace.getComponentInstance(Namespace.java:55) at org.jboss.seam.Namespace.getComponentInstance(Namespace.java:50) at org.jboss.seam.el.SeamELResolver.resolveBase(SeamELResolver.java:166) at org.jboss.seam.el.SeamELResolver.getValue(SeamELResolver.java:53) at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53) at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64) at org.jboss.el.parser.AstIdentifier.getValue(AstIdentifier.java:44) at org.jboss.el.parser.AstValue.getValue(AstValue.java:63) at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186) at org.jboss.seam.core.Expressions$1.getValue(Expressions.java:111) at org.jboss.seam.navigation.Param.getStringValueFromModel(Param.java:133) at org.jboss.seam.navigation.Pages.getStringValuesFromModel(Pages.java:690) at org.jboss.seam.ui.component.UISeamCommandBase.getUrl(UISeamCommandBase.java:51) at org.jboss.seam.ui.renderkit.LinkRendererBase.doEncodeBegin(LinkRendererBase.java:26) at org.jboss.seam.ui.util.cdk.RendererBase.encodeBegin(RendererBase.java:79) at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:788) at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:280) at org.richfaces.renderkit.html.ToolBarRendererBase.encodeChildren(ToolBarRendererBase.java:81) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:812) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:886) at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892) at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:592) at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108) at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:216) at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106) at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83) at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141) at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281) at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68) at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 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.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433) 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(Unknown Source) Caused by: java.lang.RuntimeException: duplicate method: getComponent in com.weebill.sessionbeans.ComponentList_$$_javassist_20 at org.jboss.seam.util.ProxyFactory.createClass(ProxyFactory.java:190) at org.jboss.seam.Component.createProxyFactory(Component.java:2260) at org.jboss.seam.Component.getProxyFactory(Component.java:1375) at org.jboss.seam.Component.wrap(Component.java:1366) at org.jboss.seam.Component.instantiateJavaBean(Component.java:1321) at org.jboss.seam.Component.instantiate(Component.java:1268) at org.jboss.seam.Component.newInstance(Component.java:1966) ... 67 more Caused by: javassist.bytecode.DuplicateMemberException: duplicate method: getComponent in com.weebill.sessionbeans.ComponentList_$$_javassist_20 at javassist.bytecode.ClassFile.testExistingMethod(ClassFile.java:559) at javassist.bytecode.ClassFile.addMethod(ClassFile.java:539) at org.jboss.seam.util.ProxyFactory.override(ProxyFactory.java:402) at org.jboss.seam.util.ProxyFactory.overrideMethods(ProxyFactory.java:376) at org.jboss.seam.util.ProxyFactory.make(ProxyFactory.java:304) at org.jboss.seam.util.ProxyFactory.createClass(ProxyFactory.java:181) ... 73 more