We are trying to move our application from a JSF 1.1 based AS to a JSF 1.2 AS.
In our current implementation we have the pattern where a XMLHttp browser
request is made to a servlet which will try to reference the FacesContext in
the service() method. This all worked under 1.1 just fine but when we deploy
this to a 1.2 based server we get stack traces like:
java.lang.NullPointerException
at org.apache.catalina.connector.Request.setAttribute(Request.java:1443)
at
org.apache.catalina.connector.RequestFacade.setAttribute(RequestFacade.java:503)
at com.sun.faces.context.RequestMap.put(ExternalContextImpl.java:1087)
at
com.sun.faces.util.RequestStateManager.getStateMap(RequestStateManager.java:281)
at
com.sun.faces.util.RequestStateManager.set(RequestStateManager.java:223)
at
com.sun.faces.el.FacesCompositeELResolver.setChainType(FacesCompositeELResolver.java:159)
at
com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:71)
at org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:61)
at
org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
at
com.sun.faces.application.ValueBindingValueExpressionAdapter.getValue(ValueBindingValueExpressionAdapter.java:113)
at
com.salesgene.servlets.tree.TreeNavigationServlet.service(TreeNavigationServlet.java:54)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
com.salesgene.common.filters.UserSessionFilter.doProcessing(UserSessionFilter.java:355)
at
com.salesgene.common.filters.UserSessionFilter.doFilter(UserSessionFilter.java:197)
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:235)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
at
org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
at
org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:619)
This happens in every instance where we try to reference managed beans in a
servlet. Oh, and we are getting the FacesContext following this approach:
LifecycleFactory lifecycleFactory = (LifecycleFactory)
FactoryFinder.getFactory(FactoryFinder.LIFECYCLE_FACTORY);
Lifecycle lifecycle =
lifecycleFactory.getLifecycle(LifecycleFactory.DEFAULT_LIFECYCLE);
// Create new FacesContext.
FacesContextFactory contextFactory = (FacesContextFactory)
FactoryFinder.getFactory(FactoryFinder.FACES_CONTEXT_FACTORY);
facesContext = contextFactory.getFacesContext(
request.getSession().getServletContext(), request, response,
lifecycle);
// Create new View.
UIViewRoot view =
facesContext.getApplication().getViewHandler().createView(
facesContext, "");
facesContext.setViewRoot(view);
// Set current FacesContext.
FacesContextWrapper.setCurrentInstance(facesContext);
Anyhelp or advice would be most appreciated!
-matt
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