11:31 a.m.
hi,all
i use Seam 1.2.1GA security and event listener to trigger logout() from authenticator when
user session is time out. But it didnot work sometime.
Here is my configuration in components.xml
| <event type="org.jboss.seam.preDestroyContext.SESSION">
| <action expression="#{authenticator.logout}" />
| </event>
|
authenticator:
| @Stateless
| @Name("authenticator")
| public class AuthenticatorBean implements Authenticator{
|
| @In
| private Identity identity;
| @In
| private FacesMessages facesMessages;
|
| @Logger
| private Log log;
|
| public boolean authenticate() {
| String username = identity.getUsername();
| String password = identity.getPassword();
|
|
| if(username.equalsIgnoreCase("xinhua")){
| return true;
|
| }else{
| facesMessages.addFromResourceBundle("loginForm_loginFailed");
| return false;
| }
|
|
| }
|
| public void logout() {
| log.info("logout(): user "+identity.getUsername()+" logout");
| identity.logout();
| }
|
| }
|
When user session is out of time, a null exception appears sometime.And logout() is
skipped...
| 17:52:40,793 ERROR [[/strato]] Session event listener threw exception
| java.lang.NullPointerException: facesContext
| at org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:110)
| 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$2.invoke(Expressions.java:148)
| at org.jboss.seam.core.Events.raiseEvent(Events.java:63)
| at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:215)
| at org.jboss.seam.contexts.Lifecycle.endSession(Lifecycle.java:297)
| at org.jboss.seam.servlet.SeamListener.sessionDestroyed(SeamListener.java:45)
| at
org.apache.catalina.session.StandardSession.expire(StandardSession.java:687)
| at
org.apache.catalina.session.StandardSession.isValid(StandardSession.java:579)
| at
org.apache.catalina.session.ManagerBase.processExpires(ManagerBase.java:678)
| at
org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:663)
| at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1284)
| at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1569)
| at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
| at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
| at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1558)
| at java.lang.Thread.run(Thread.java:595)
| 17:52:49,059 INFO [Lifecycle] starting up: org.jboss.seam.security.identity
| 17:54:40,891 ERROR [[/strato]] Session event listener threw exception
| java.lang.IllegalStateException: Please end the HttpSession via
Seam.invalidateSession()
| at org.jboss.seam.contexts.Lifecycle.endSession(Lifecycle.java:269)
| at org.jboss.seam.servlet.SeamListener.sessionDestroyed(SeamListener.java:45)
| at
org.apache.catalina.session.StandardSession.expire(StandardSession.java:687)
| at
org.apache.catalina.session.StandardSession.isValid(StandardSession.java:579)
| at
org.apache.catalina.session.ManagerBase.processExpires(ManagerBase.java:678)
| at
org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:663)
| at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1284)
| at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1569)
| at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
| at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
| at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1558)
| at java.lang.Thread.run(Thread.java:595)
|
the listener is not stable when sessionDestroyed. :(
anyone can tell me why?
thanks!
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