Sorry. I'm not of much help on this yet. The primary reason I answered your message is that I had just updated the wiki page section with a new link, and I had it handy.
I just added this to the "Using servlets" section, so maybe it answers your question? === Using servlets === Mert Caliskan (http://www.jroller.com/page/mert?entry=handling_errors_with_an_errror) describes an approach which wraps the JSF servlet with a new servlet which delegates to the faces servlet but handles uncaught exceptions allowing the developer to redirect to a custom error page. + + Andrea Paternesi has refined this technique for MyFaces as described here: + [http://patton-prog-tips.blogspot.com/2008/10/myfaces-handling-viewexpiredexception.html] On Fri, Oct 31, 2008 at 3:41 PM, laredotornado <[EMAIL PROTECTED]> wrote: > > Yes, that's where I got the JSP and servlet (whose code I didn't include but > it is in the link you sent) from. But something with my error configuration > isn't right. But what? Below is my web.xml if that is useful. - Dave > > > ========================Begin web.xml ========================= > <?xml version="1.0"?> > <web-app xmlns="http://java.sun.com/xml/ns/j2ee"; > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee > http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"; > version="2.4"> > > <filter> > <filter-name>No Caching Filter</filter-name> > > <filter-class>com.myco.npsconfig.filters.NoCachingFilter</filter-class> > </filter> > > > <filter> > <filter-name>SSOFilter</filter-name> > > <filter-class>com.myco.nps.im.plugin.NPSIMIntercepter</filter-class> > <init-param> > <param-name>filter_conf_file</param-name> > > <param-value>/export/third-party/etsbea/application_conf/wls_9.2.2/nps_config_gui_conf/nps_im_plugIn.properties</param-value> > </init-param> > </filter> > > <filter-mapping> > <filter-name>No Caching Filter</filter-name> > <url-pattern>/*</url-pattern> > </filter-mapping> > <filter-mapping> > <filter-name>SSOFilter</filter-name> > <url-pattern>/*</url-pattern> > </filter-mapping> > > <!-- Faces Servlet > Marty Hall: changed .jsf back to standard of .faces --> > <servlet> > <servlet-name>Faces Servlet</servlet-name> > <servlet-class>javax.faces.webapp.FacesServlet</servlet-class> > <load-on-startup>1</load-on-startup> > </servlet> > <servlet> > <servlet-name>Log4JServlet</servlet-name> > <servlet-class>com.myco.npsconfig.servlet.Log4JServlet</servlet-class> > <load-on-startup>1</load-on-startup> > </servlet> > <servlet> > <servlet-name>RefreshServlet</servlet-name> > > <servlet-class>com.myco.npsconfig.servlet.RefreshServlet</servlet-class> > <load-on-startup>2</load-on-startup> > </servlet> > <servlet> > <description> > </description> > <display-name> > LoginSuccessServlet</display-name> > <servlet-name>LoginSuccessServlet</servlet-name> > <servlet-class> > com.myco.npsconfig.jsf.controllers.LoginSuccessServlet</servlet-class> > <load-on-startup>1</load-on-startup> > </servlet> > <servlet-mapping> > <servlet-name>Faces Servlet</servlet-name> > <url-pattern>*.jsf</url-pattern> > </servlet-mapping> > <servlet-mapping> > <servlet-name>LoginSuccessServlet</servlet-name> > <url-pattern>/LoginSuccessServlet</url-pattern> > </servlet-mapping> > <servlet-mapping> > <servlet-name>Log4JServlet</servlet-name> > <url-pattern>/refresh</url-pattern> > </servlet-mapping> > <servlet-mapping> > <servlet-name>RefreshServlet</servlet-name> > <url-pattern>/RefreshServlet</url-pattern> > </servlet-mapping> > > <filter> > <filter-name>MyFacesExtensionsFilter</filter-name> > > <filter-class>org.apache.myfaces.webapp.filter.ExtensionsFilter</filter-class> > <init-param> > <param-name>maxFileSize</param-name> > <param-value>20m</param-value> > </init-param> > </filter> > <!-- extension mapping for adding <script/>, <link/>, and other resource > tags to JSF-pages --> > <filter-mapping> > <filter-name>MyFacesExtensionsFilter</filter-name> > <!-- servlet-name must match the name of your > javax.faces.webapp.FacesServlet entry --> > <servlet-name>Faces Servlet</servlet-name> > </filter-mapping> > > <!-- extension mapping for serving page-independent resources (javascript, > stylesheets, images, etc.) --> > <filter-mapping> > <filter-name>MyFacesExtensionsFilter</filter-name> > <url-pattern>/faces/myFacesExtensionResource/*</url-pattern> > </filter-mapping> > > <filter-mapping> > <filter-name>MyFacesExtensionsFilter</filter-name> > <url-pattern>*.jsf</url-pattern> > </filter-mapping> > > <error-page> > <error-code>500</error-code> > <location>/jsp/ErrorDisplay.jsf</location> > </error-page> > > </web-app> > =========================End web.xml========================== > > > > Mike Kienenberger wrote: >> >> Have you read through the documentation at the following location? >> >> http://wiki.apache.org/myfaces/Handling_Server_Errors >> >> On Fri, Oct 31, 2008 at 2:51 PM, laredotornado <[EMAIL PROTECTED]> >> wrote: >>> >>> Hi, >>> >>> I'm using MyFaces 1.1.6 on WebLogic 9.2.2. My app is throwing an error, >>> but >>> my error page is not displaying. The errorPage is generating this error >>> ... >>> >>> ####<Oct 31, 2008 12:47:33 PM MDT> <Error> <HTTP> <rhonti> >>> <nps-supp-gui-ms-1> <[ACTIVE] ExecuteThread: '5' for queue: >>> 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <> >>> <1225478853990> <BEA-101107> >>> <[EMAIL PROTECTED] - appName: >>> 'nps_config_gui', name: 'nps_config_gui.war', context-path: >>> '/nps_config_gui'] Problem occurred while serving the error page. >>> java.lang.IllegalStateException: parent is null? >>> at >>> javax.faces.webapp.UIComponentTag.findComponent(UIComponentTag.java:545) >>> at >>> javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:315) >>> at >>> jsp_servlet._jsp.__errordisplay._jsp__tag0(__errordisplay.java:134) >>> at >>> jsp_servlet._jsp.__errordisplay._jspService(__errordisplay.java:110) >>> at weblogic.servlet.jsp.JspBase.service(JspBase.java:34) >>> at >>> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227) >>> at >>> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125) >>> at >>> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283) >>> at >>> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175) >>> at >>> weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:525) >>> at >>> weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:261) >>> at >>> org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:419) >>> at >>> org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:211) >>> at >>> org.ajax4jsf.framework.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108) >>> at >>> org.ajax4jsf.framework.ajax.AjaxViewHandler.renderView(AjaxViewHandler.java:233) >>> at >>> org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41) >>> at >>> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132) >>> at javax.faces.webapp.FacesServlet.service(FacesServlet.java:140) >>> at >>> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227) >>> at >>> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125) >>> at >>> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283) >>> at >>> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:175) >>> at >>> weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:525) >>> at >>> weblogic.servlet.internal.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:261) >>> at >>> weblogic.servlet.internal.ServletResponseImpl.sendError(ServletResponseImpl.java:706) >>> at >>> weblogic.servlet.internal.ServletResponseImpl.sendError(ServletResponseImpl.java:555) >>> at >>> weblogic.servlet.internal.ErrorManager.handleException(ErrorManager.java:203) >>> at >>> weblogic.servlet.internal.WebAppServletContext.handleThrowableFromInvocation(WebAppServletContext.java:2062) >>> at >>> weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:1915) >>> at >>> weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1362) >>> at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209) >>> at weblogic.work.ExecuteThread.run(ExecuteThread.java:181) >>> >>> >>> And here is my error JSP page. Know what's going on? Thanks, - Dave >>> >>> =================Begin errorDisplay.jsp ========================= >>> <%@ taglib uri="http://java.sun.com/jsf/core"; prefix="f" %> >>> <%@ taglib uri="http://java.sun.com/jsf/html"; prefix="h" %> >>> <%@ taglib uri="http://myfaces.apache.org/tomahawk"; prefix="t"%> >>> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" >>> "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";> >>> <f:subview id="error" >>> xmlns:f="http://java.sun.com/jsf/core"; >>> xmlns:t="http://myfaces.apache.org/tomahawk"; >>> xmlns:h="http://java.sun.com/jsf/html";> >>> >>> <html> >>> <head> >>> <meta content="no-cache" http-equiv="Cache-Control" /> >>> <meta content="no-cache" http-equiv="Pragma" /> >>> <title>NPS Config GUI - Error</title> >>> </head> >>> <body> >>> <h:form> >>> <h:outputText styleClass="infoMessage" escape="false" >>> value="#{ErrorDisplay.infoMessage}" /> >>> <t:htmlTag value="br" /> >>> <h:inputTextarea style="width: 99%;" rows="10" readonly="true" >>> value="#{ErrorDisplay.stackTrace}" /> >>> </h:form> >>> </body> >>> </html> >>> </f:subview> >>> ==================End errorDisplay.jsp ========================= >>> -- >>> View this message in context: >>> http://www.nabble.com/Problem-occurred-while-serving-the-error-page--tp20272097p20272097.html >>> Sent from the MyFaces - Users mailing list archive at Nabble.com. >>> >>> >> >> > > -- > View this message in context: > http://www.nabble.com/Problem-occurred-while-serving-the-error-page--tp20272097p20272906.html > Sent from the MyFaces - Users mailing list archive at Nabble.com. > >
