Strange Seam Actor component problem
m.makowski Jan 16, 2007 12:11 PMI have a stateless bean which used an Actor Seam object. The bean is based on similar ones provided in official Seam examples and is rather easy:
package pl.ist.bpm.ui.login; import java.io.Serializable; import javax.ejb.Stateless; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import org.jboss.seam.ScopeType; import org.jboss.seam.Seam; import org.jboss.seam.annotations.In; import org.jboss.seam.annotations.Name; import org.jboss.seam.annotations.Scope; import org.jboss.seam.contexts.Context; import org.jboss.seam.core.Actor; import org.jboss.seam.core.FacesMessages; @Stateless @Scope(ScopeType.SESSION) @Name("bpmLogin") public class DBLoginAction implements Login, Serializable { /** * */ private static final long serialVersionUID = 1L; private static final String USER_VAR = "currentUser"; @PersistenceContext private EntityManager em; @In Context sessionContext; @In(create=true) Actor actor; @In(create=true) FacesMessages facesMessages; String username; String password; public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } private boolean validateFields() { if(username == null || username.equals("")) { facesMessages.addFromResourceBundle("loginUserName", "loginUsernameErrorMessage"); } if(password == null || password.equals("")) { facesMessages.addFromResourceBundle("loginPassword", "loginPasswordErrorMessage"); } if(username == null || username.equals("") || password == null || password.equals("")) return false; return true; } public String login() { try { if(!validateFields()) return null; User found = (User) em.createQuery("select u from User u where u.username = :userName and u.password = :password") .setParameter("userName", username) .setParameter("password", password) .getSingleResult(); if(found != null) { sessionContext.set(USER_VAR, found); actor.setId(username); System.out.print(actor.getId()); return "todo"; } return null; } catch (Exception e) { // this message is lost in the session invalidation FacesMessages.instance().add("loginErrorPrompt"); Seam.invalidateSession(); return null; } } public String logout() { actor.setId(null); Seam.invalidateSession(); sessionContext.set(USER_VAR, null); sessionContext.set("loggedIn", null); return "logout"; } public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } }
next comes the login page that used that bean:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:s="http://jboss.com/products/seam/taglib" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:f="http://java.sun.com/jsf/core" xmlns:visuals="urn:taglib:/WEB-INF/tags" xmlns:h="http://java.sun.com/jsf/html"> <body> <ui:composition template="/WEB-INF/templates/nosiderbar.xhtml"> <ui:param name="titleImage" value="Images/login/title_login.png" /> <ui:param name="backgroundImage" value="Images/login/background_login.png" /> <ui:define name="header"> <ui:include src="/WEB-INF/includes/header.xhtml"> </ui:include> </ui:define> <ui:define name="body"> <f:view> <h:form> <div id="loginPanelPadding"> <table border="0" align="center"> <s:validateAll> <tr> <td colspan="2"> </td> </tr> <tr> <td> <h:outputText value="#{messages.loginUsername}" /> </td> <td> <h:inputText value="#{bpmLogin.username}" id = "loginUserName"/> </td> <td><span class = "cntError"><h:message for="loginUserName"/></span></td> </tr> <tr> <td > <h:outputText value="#{messages.loginPassword}" /> </td> <td> <h:inputSecret value="#{bpmLogin.password}" id = "loginPassword"/> </td> <td><span class = "cntError"><h:message for="loginPassword"/></span></td> </tr> <tr> <td colspan="2"> <h:commandButton action="#{bpmLogin.login}" value="#{messages.loginLogin}"/> </td> </tr> </s:validateAll> </table> </div> </h:form> </f:view> </ui:define> </ui:composition> </body> </html>
while trying to access this page I get following error stack
javax.faces.el.EvaluationException: /login.xhtml @36,75 value="#{bpmLogin.username}": Exception getting value of property username of base of type : org.jboss.seam.intercept.Proxy$$EnhancerByCGLIB$$fecf9761 at com.sun.facelets.el.LegacyValueBinding.getValue(LegacyValueBinding.java:60) at javax.faces.component.UIOutput.getValue(UIOutput.java:77) at org.apache.myfaces.shared_impl.renderkit.RendererUtils.getStringValue(RendererUtils.java:217) at org.apache.myfaces.shared_impl.renderkit.html.HtmlTextRendererBase.renderInput(HtmlTextRendererBase.java:135) at org.apache.myfaces.shared_impl.renderkit.html.HtmlTextRendererBase.encodeEnd(HtmlTextRendererBase.java:53) at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:536) at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:242) at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239) at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239) at com.sun.facelets.tag.jsf.ComponentSupport.encodeRecursive(ComponentSupport.java:239) at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:580) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384) 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.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:32) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:46) 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.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) 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:595) Caused by: javax.faces.el.EvaluationException: Bean: org.jboss.seam.intercept.Proxy$$EnhancerByCGLIB$$fecf9761, property: username at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:442) at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:82) at com.sun.facelets.el.LegacyELContext$LegacyELResolver.getValue(LegacyELContext.java:141) at com.sun.el.parser.AstValue.getValue(AstValue.java:117) at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:192) at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71) at com.sun.facelets.el.LegacyValueBinding.getValue(LegacyValueBinding.java:56) ... 38 more Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:438) ... 44 more Caused by: javax.ejb.EJBTransactionRolledbackException: org.jboss.seam.RequiredException: In attribute requires value for component: bpmLogin.actor at org.jboss.ejb3.tx.Ejb3TxPolicy.handleInCallerTx(Ejb3TxPolicy.java:93) at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:130) at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195) 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:102) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47) 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:211) at org.jboss.ejb3.stateless.StatelessLocalProxy.invoke(StatelessLocalProxy.java:79) at $Proxy89.getUsername(Unknown Source) at pl.ist.bpm.ui.login.Login$$FastClassByCGLIB$$71f5b82f.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:73) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:55) at org.jboss.seam.interceptors.ExceptionInterceptor.handleExceptions(ExceptionInterceptor.java:38) at sun.reflect.GeneratedMethodAccessor108.invoke(Unknown Source) 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.intercept.Interceptor.aroundInvoke(Interceptor.java:169) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) at org.jboss.seam.interceptors.SynchronizationInterceptor.serialize(SynchronizationInterceptor.java:30) 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.intercept.Interceptor.aroundInvoke(Interceptor.java:169) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) at org.jboss.seam.intercept.RootInterceptor.createSeamInvocationContext(RootInterceptor.java:144) at org.jboss.seam.intercept.RootInterceptor.invokeInContexts(RootInterceptor.java:129) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:102) at org.jboss.seam.intercept.ClientSideInterceptor.interceptInvocation(ClientSideInterceptor.java:82) at org.jboss.seam.intercept.ClientSideInterceptor.intercept(ClientSideInterceptor.java:51) at org.jboss.seam.intercept.Proxy$$EnhancerByCGLIB$$fecf9761.getUsername(<generated>) ... 49 more Caused by: org.jboss.seam.RequiredException: In attribute requires value for component: bpmLogin.actor at org.jboss.seam.Component.getInstanceToInject(Component.java:1876) at org.jboss.seam.Component.injectFields(Component.java:1342) at org.jboss.seam.Component.inject(Component.java:1112) at org.jboss.seam.interceptors.BijectionInterceptor.bijectTargetComponent(BijectionInterceptor.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.seam.util.Reflections.invoke(Reflections.java:18) at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) at org.jboss.seam.interceptors.OutcomeInterceptor.interceptOutcome(OutcomeInterceptor.java:23) at sun.reflect.GeneratedMethodAccessor110.invoke(Unknown Source) 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.intercept.Interceptor.aroundInvoke(Interceptor.java:169) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) at org.jboss.seam.interceptors.ConversationInterceptor.endOrBeginLongRunningConversation(ConversationInterceptor.java:51) at sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source) 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.intercept.Interceptor.aroundInvoke(Interceptor.java:169) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) at org.jboss.seam.intercept.RootInterceptor.createSeamInvocationContext(RootInterceptor.java:144) at org.jboss.seam.intercept.RootInterceptor.invokeInContexts(RootInterceptor.java:129) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:102) at org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:49) 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.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118) 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:46) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126) ... 91 more
while playing a bit with @In annotation for actor I dicovered that adding (required=false) helps with ridding off the problem, but only for a while. Submiting the form (=calling bpmLogin.login()) prooves that something is wrong again: the actor field is always null so I get NullPointerException.
Exception during INVOKE_APPLICATION(5): java.lang.NullPointerException org.jboss.ejb3.tx.Ejb3TxPolicy.handleInCallerTx(Ejb3TxPolicy.java:93) org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:130) org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195) org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76) org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62) org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77) org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:102) org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47) org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106) org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:211) org.jboss.ejb3.stateless.StatelessLocalProxy.invoke(StatelessLocalProxy.java:79) $Proxy335.login(Unknown Source) pl.ist.ui.login.Login$$FastClassByCGLIB$$e486f340.invoke(<generated>) net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149) org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:45) org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:73) org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:55) org.jboss.seam.interceptors.ExceptionInterceptor.handleExceptions(ExceptionInterceptor.java:38) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:585) org.jboss.seam.util.Reflections.invoke(Reflections.java:18) org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169) org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) org.jboss.seam.interceptors.SynchronizationInterceptor.serialize(SynchronizationInterceptor.java:30) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:585) org.jboss.seam.util.Reflections.invoke(Reflections.java:18) org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169) org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64) org.jboss.seam.intercept.RootInterceptor.createSeamInvocationContext(RootInterceptor.java:144) org.jboss.seam.intercept.RootInterceptor.invokeInContexts(RootInterceptor.java:129) org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:102) org.jboss.seam.intercept.ClientSideInterceptor.interceptInvocation(ClientSideInterceptor.java:82) org.jboss.seam.intercept.ClientSideInterceptor.intercept(ClientSideInterceptor.java:51) org.jboss.seam.intercept.Proxy$$EnhancerByCGLIB$$e1466007.login(<generated>) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:585) com.sun.el.parser.AstValue.invoke(AstValue.java:151) com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:283) com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68) com.sun.facelets.el.LegacyMethodBinding.invoke(LegacyMethodBinding.java:69) org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:63) javax.faces.component.UICommand.broadcast(UICommand.java:106) javax.faces.component.UIViewRoot._broadcastForPhase(UIViewRoot.java:94) javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:168) org.apache.myfaces.lifecycle.LifecycleImpl.invokeApplication(LifecycleImpl.java:343) org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:86) javax.faces.webapp.FacesServlet.service(FacesServlet.java:137) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) org.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:32) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:46) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432) org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156) org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) java.lang.Thread.run(Thread.java:595)
I cannot get it, especially that examples provided in the Seam 1.1.0 package are (erh, almost) the same and work perfectly. Can someone help me?