Jsf Error Handling Page
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posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of jsf error page redirect 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up JSF 2 Global exception handling, navigation to error page not happening up vote 5 down vote favorite 4 I am developing a JSF 2.0 based web application. I am trying to implement a global exception handler primefaces exception handling which will redirect the user to a generic error page whenever any exception occurs (e.g. NullPointerException,ServletException,ViewExpiredException etc.) Whenever a NPE occurs in my app, My customnavhandler breakpoint is hit and NavigationHandler code is executed, but somehow redirection to error page is not happening, the requested page remains partially rendered. Any idea what could be wrong here ? One info is that I am throwing an NPE deliberately on the requested page (which was partiallyu rendered after NPE) My faces-config.xml entry
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PagesJSF Custom Error Pages April 10, 2014 by Amr Mohammed 2 Comments When you run an application in the http://stackoverflow.com/questions/18410007/jsf-2-global-exception-handling-navigation-to-error-page-not-happening development project stage and you encounter an error, you get an error message in an undesirable form. You probably don't want your users to see that message in such that ugly way. To substitute a better error page, http://javabeat.net/jsf-custom-error-pages/ use error-page tag in the web.xml file, in that you can specify either a Java Exception or an HTTP error code. So in case the type of thrown exception has matched that type mentioned in the web.xml exception-type  or the error code that generated by the server has matched error-code that mentioned in the web.xml, the JSF framework will handle it by forwarding the user into the desired view that you've defined for such those errors or exceptions. 1. The Deployment Descriptor web.xml
Certification Databases https://coderanch.com/t/502427/JSF/java/handle-exception-JSF Caching Books Engineering Languages Frameworks Products This Site Careers Other all forums Forum: JSF How to handle exception http://www.softwareengineeringsolutions.com/thoughts/frameworks/JSF.Techniques-Error.Handling.htm in JSF2.0? Amrit pandey Greenhorn Posts: 19 posted 6 years ago Hello to all, I am try to error page use new feature of exception handling in JSF2.0. Requirement is to show the stack trace on the error pageusing JSF2.0 exception Handling feature, if any unhandled exception occur . Problem is that, when exception is occurring , error jsf error page page is displayed but it is not displaying the error info that I am trying to display. I think I am not able to use the proper EL to retrieve the value. Please suggest..... Below are the codes: faces-config.xml
plans sometimes result in exception/error conditions that we failed to consider. Even worse, there may be errors thrown by any one of the numerous frameworks that we use, which can often be out of our control. For obvious reasons, filling a user's screen with a Java stack trace is not the optimal solution in these situations. Instead, we'd like to provide the user with a simplified indication of the error condition, and provide some options for recovery. In this article we will look at how error handling may be implemented for applications written using MyFaces/Facelets. 1. The Servlet Specification The Servlet 2.5 specification terms this the "error page mechanism", and describes how HTTP error codes or uncaught exception types can be mapped to error handling resources – either static HTML pages, or dynamic resources (JSPs or servlets). This mechanism is very declarative in nature, and is driven by the