5:17 a.m.
Hi all,
I tried to invoke a method in a session bean when rendering a page.
the problem is when the page is rendered by using a newly created browser, the method
can't be invoked and the following exception is thrown.
| 10:05:46,706 ERROR [PhaseListenerManager] Exception in PhaseListener
RENDER_RESPONSE(6) beforePhase.
| javax.faces.el.EvaluationException: Exception while invoking expression
#{login.chagen}
| at org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:153)
| at org.jboss.seam.core.Pages.callAction(Pages.java:161)
| at org.jboss.seam.core.Pages.callAction(Pages.java:143)
| at
org.jboss.seam.jsf.AbstractSeamPhaseListener.callPageActions(AbstractSeamPhaseListener.java:128)
| at
org.jboss.seam.jsf.AbstractSeamPhaseListener.beforeRender(AbstractSeamPhaseListener.java:98)
| at org.jboss.seam.jsf.SeamPhaseListener.beforePhase(SeamPhaseListener.java:50)
| 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:107)
| 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:30)
| 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.coyote.http11.Http11Processor.process(Http11Processor.java:869)
| at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
| at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
| at
org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
| at java.lang.Thread.run(Thread.java:595)
| Caused by: javax.ejb.EJBException: org.jboss.seam.RequiredException: In attribute
requires value for component: login.reguser
| at org.jboss.ejb3.tx.Ejb3TxPolicy.handleExceptionInOurTx(Ejb3TxPolicy.java:69)
| at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:83)
| at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:197)
| 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:78)
| 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:181)
| at org.jboss.ejb3.stateless.StatelessLocalProxy.invoke(StatelessLocalProxy.java:79)
| at $Proxy128.chagen(Unknown Source)
| 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.MethodBindingImpl.invoke(MethodBindingImpl.java:129)
| ... 29 more
| Caused by: org.jboss.seam.RequiredException: In attribute requires value for
component: login.reguser
| at org.jboss.seam.Component.getInstanceToInject(Component.java:1382)
| at org.jboss.seam.Component.injectFields(Component.java:1024)
| at org.jboss.seam.Component.inject(Component.java:795)
| at
org.jboss.seam.interceptors.BijectionInterceptor.bijectTargetComponent(BijectionInterceptor.java:30)
| 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:13)
| at org.jboss.seam.interceptors.Interceptor.aroundInvoke(Interceptor.java:90)
| at
org.jboss.seam.interceptors.SeamInvocationContext.proceed(SeamInvocationContext.java:60)
| at
org.jboss.seam.interceptors.ConversationInterceptor.endOrBeginLongRunningConversation(ConversationInterceptor.java:82)
| at sun.reflect.GeneratedMethodAccessor107.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:13)
| at org.jboss.seam.interceptors.Interceptor.aroundInvoke(Interceptor.java:90)
| at
org.jboss.seam.interceptors.SeamInvocationContext.proceed(SeamInvocationContext.java:60)
| at
org.jboss.seam.interceptors.BusinessProcessInterceptor.manageBusinessProcessContext(BusinessProcessInterceptor.java:60)
| at sun.reflect.GeneratedMethodAccessor106.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:13)
| at org.jboss.seam.interceptors.Interceptor.aroundInvoke(Interceptor.java:90)
| at
org.jboss.seam.interceptors.SeamInvocationContext.proceed(SeamInvocationContext.java:60)
| at
org.jboss.seam.interceptors.RemoveInterceptor.removeIfNecessary(RemoveInterceptor.java:39)
| at sun.reflect.GeneratedMethodAccessor105.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:13)
| at org.jboss.seam.interceptors.Interceptor.aroundInvoke(Interceptor.java:90)
| at
org.jboss.seam.interceptors.SeamInvocationContext.proceed(SeamInvocationContext.java:60)
| at
org.jboss.seam.ejb.SeamInterceptor.aroundInvokeInContexts(SeamInterceptor.java:73)
| at org.jboss.seam.ejb.SeamInterceptor.aroundInvoke(SeamInterceptor.java:45)
| at sun.reflect.GeneratedMethodAccessor104.invoke(Unknown Source)
| 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:47)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)
| ... 49 more
the method can be invoked when the page is rendering by a page action within the same page
with no exceptions.
the method can be invoked when the page is rendering by a S Link within another page with
the following exceptions:
the S Link:
<s:link value="Cancel" action="login" linkStyle="button"
buttonClass="button"/>
the exceptions:
10:39:22,505 ERROR [PhaseListenerManager] Exception in PhaseListener RENDER_RESPONSE(6)
afterPhase
| java.lang.IllegalStateException: No active application scope
| at org.jboss.seam.core.Init.instance(Init.java:48)
| at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:87)
| at
org.apache.myfaces.lifecycle.PhaseListenerManager.informPhaseListenersAfter(PhaseListenerManager.java:89)
| at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:391)
| at javax.faces.webapp.FacesServlet.service(FacesServlet.java:107)
| 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:30)
| 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.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)
I defined a page action in the pages.xml like this:
<pages>
| <page view-id="/home.xhtml" action="#{login.test}"/>
| </pages>
the session bean where the method and the same page page acction is defined:
package src.reg.server;
|
| import javax.ejb.Stateless;
| import javax.persistence.EntityManager;
| import javax.persistence.PersistenceContext;
|
| import org.jboss.seam.annotations.In;
| import org.jboss.seam.annotations.Name;
| import org.jboss.seam.annotations.Out;
| import org.jboss.seam.contexts.Contexts;
| import org.jboss.seam.core.FacesMessages;
|
| @Stateless
| @Name("login")
| public class LoginAction implements Login
| {
|
| @In @Out
| private Reguser reguser;
|
| @PersistenceContext
| private EntityManager em;
|
| private String random;
|
|
| public String test()
| {
| chacode = mt.rndnum();
| System.out.println("the next rnd is:"+rnd);
| FacesMessages.instance().add(chacode);
| return random;
| }
|
| public String login()
| {
| Reguser user;
| user = em.find(Reguser.class, reguser.getUid());
| System.out.println("the current rnd is:"+rnd);
| if ( user==null )
| {
| FacesMessages.instance().add("USER ID wrong");
| return "login";
| }
| else
| {
| return "main"
| }
| }
|
| }
the login page: login.xhtml
<!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:ui="http://java.sun.com/jsf/facelets"
| xmlns:h="http://java.sun.com/jsf/html">
| <head>
| <meta http-equiv="Content-Type" content="text/html;
charset=iso-8859-1" />
| <title>login page</title>
| <link href="css/screen.css" rel="stylesheet"
type="text/css" />
| </head>
| <body id="pgHome">
| <h:form>
| <div id="document">
| <div id="header">
| </div>
| <div id="container">
| <div id="sidebar">
| <fieldset>
| <div>
| <h:outputLabel for="uid">User ID</h:outputLabel>
| <h:inputText id="uid" value="#{reguser.uid}"
style="width: 175px;"/>
| <div class="errors"><h:message
for="uid"/></div>
| </div>
| <div class="errors"><h:messages
globalOnly="true"/></div>
| <div class="buttonBox"><h:commandButton
action="#{login.login}" value="Account Login" class="button"
/></div>
| </fieldset>
| </div>
| <div id="content">
| <div class="section">
| <h1>seam</h1>
| </div>
| </div>
| </div>
| <div id="footer">login</div>
| </div>
| </h:form>
| </body>
| </html>
|
any suggestions?
thanks a lot
Jason
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