users@glassfish.java.net

Session timeout with NullPointerException

From: <forums_at_java.net>
Date: Fri, 2 Nov 2012 07:13:51 -0500 (CDT)

Please help in ViewExpired handling. Technologies: - Glassfish 3.1.2.2 - Form
based security handling - Primefaces AJAX POST requests (for example
pagination) - myRealm is a JDBCRealm in Glassfish security I setup a phase
listener in faces-config.xml: hu.kepeslap.back.listener.JsfPhaseListener and
I use some settings in web.xml javax.faces.application.ViewExpiredException
/index.xhtml Security settings are: admin /admin/* ROLE_ADMIN user /user/*
ROLE_ADMIN ROLE_USER FORM myRealm /login.xhtml /login.xhtml?auth-error=true
ROLE_ADMIN ROLE_USER The PhaseListener: public class JsfPhaseListener
implements PhaseListener { private static String homepage = "login.xhtml";
@Override public void afterPhase(PhaseEvent phaseEvent) { FacesContext
context = phaseEvent.getFacesContext(); ExternalContext ext =
context.getExternalContext(); HttpSession session = (HttpSession)
ext.getSession(false); HttpServletRequest httpRequest = (HttpServletRequest)
ext.getRequest(); boolean isPost =
httpRequest.getMethod().equalsIgnoreCase("POST"); boolean newSession =
(session == null) || (session.isNew()); boolean postback =
!ext.getRequestParameterMap().isEmpty(); RequestContext requestContext =
RequestContext.getCurrentInstance(); PartialViewContext partialViewContext =
context.getPartialViewContext(); boolean isAJAX = isPost && ((requestContext
!= null) && requestContext.isAjaxRequest()) || ((partialViewContext != null)
&& (partialViewContext.isPartialRequest())); boolean timedout = postback &&
newSession && isAJAX; boolean isRenderableResponse =
(context.getResponseWriter() == null) && (context.getRenderKit() == null); if
(timedout && isRenderableResponse) { if (ext.isResponseCommitted()) { //
redirect is not possible return; } try { httpRequest.logout(); } catch
(ServletException e) { e.printStackTrace(); } throw new
ViewExpiredException("Session timeout"); } } @Override public void
beforePhase(PhaseEvent phaseEvent) { } @Override public PhaseId getPhaseId()
{ return PhaseId.RESTORE_VIEW; } } Primefaces example handle session timeout
with an alert dialog, so I thing java.lang.NullPointerException is from
security layer of Glassfish. Exception is: WARNING:
ApplicationDispatcher[/kepeslap] PWC1231: Servlet.service() for servlet Faces
Servlet threw exception java.lang.NullPointerException at
com.sun.faces.context.PartialViewContextImpl.createPartialResponseWriter(PartialViewContextImpl.java:441)
at
com.sun.faces.context.PartialViewContextImpl.access$300(PartialViewContextImpl.java:71)
at
com.sun.faces.context.PartialViewContextImpl$DelayedInitPartialResponseWriter.getWrapped(PartialViewContextImpl.java:582)
at
javax.faces.context.PartialResponseWriter.startDocument(PartialResponseWriter.java:115)
at
org.primefaces.context.PrimePartialResponseWriter.startDocument(PrimePartialResponseWriter.java:133)
at
com.sun.faces.context.AjaxExceptionHandlerImpl.handlePartialResponseError(AjaxExceptionHandlerImpl.java:199)
at
com.sun.faces.context.AjaxExceptionHandlerImpl.handle(AjaxExceptionHandlerImpl.java:123)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:119) at
com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:116)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) at
javax.faces.webapp.FacesServlet.service(FacesServlet.java:593) at
org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1550)
at
org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:809)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:671)
at
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:505)
at
org.apache.catalina.core.ApplicationDispatcher.doDispatch(ApplicationDispatcher.java:476)
at
org.apache.catalina.core.ApplicationDispatcher.dispatch(ApplicationDispatcher.java:355)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:305)
at
org.apache.catalina.authenticator.FormAuthenticator.forwardToLoginPage(FormAuthenticator.java:464)
at
org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:253)
at
com.sun.web.security.RealmAdapter.invokeAuthenticateDelegate(RealmAdapter.java:1333)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:551)
at
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:623)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
at
org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
at
com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317)
at
com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:860)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:757) at
com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1056) at
com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:229)
at
com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at
com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at
com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71) at
com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at
com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:722) WARNING: Unexpected error forwarding
or redirecting to login page java.lang.NullPointerException at
com.sun.faces.context.PartialViewContextImpl.createPartialResponseWriter(PartialViewContextImpl.java:441)
at
com.sun.faces.context.PartialViewContextImpl.access$300(PartialViewContextImpl.java:71)
at
com.sun.faces.context.PartialViewContextImpl$DelayedInitPartialResponseWriter.getWrapped(PartialViewContextImpl.java:582)
at
javax.faces.context.PartialResponseWriter.startDocument(PartialResponseWriter.java:115)
at
org.primefaces.context.PrimePartialResponseWriter.startDocument(PrimePartialResponseWriter.java:133)
at
com.sun.faces.context.AjaxExceptionHandlerImpl.handlePartialResponseError(AjaxExceptionHandlerImpl.java:199)
at
com.sun.faces.context.AjaxExceptionHandlerImpl.handle(AjaxExceptionHandlerImpl.java:123)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:119) at
com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:116)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) at
javax.faces.webapp.FacesServlet.service(FacesServlet.java:593) at
org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1550)
at
org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:809)
at
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:671)
at
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:505)
at
org.apache.catalina.core.ApplicationDispatcher.doDispatch(ApplicationDispatcher.java:476)
at
org.apache.catalina.core.ApplicationDispatcher.dispatch(ApplicationDispatcher.java:355)
at
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:305)
at
org.apache.catalina.authenticator.FormAuthenticator.forwardToLoginPage(FormAuthenticator.java:464)
at
org.apache.catalina.authenticator.FormAuthenticator.authenticate(FormAuthenticator.java:253)
at
com.sun.web.security.RealmAdapter.invokeAuthenticateDelegate(RealmAdapter.java:1333)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:551)
at
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:623)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
at
org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
at
com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317)
at
com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:860)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:757) at
com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1056) at
com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:229)
at
com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at
com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at
com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71) at
com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at
com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:722) Please help to check the solution.
best regards Z

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