How To Use Error-page Tag In Web.xml
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versioned snapshots for indefinite support ... scalability guidance for your apps and Ajax/Comet projects ... development services for sponsored feature development Creating Custom Error PagesDefining error pages in web.xmlConfiguring error pages context filesCustom ErrorHandler classServer level 404 errorThe following sections describe several ways to create custom error pages in Jetty.Defining error pages in web.xmlYou can use the standard webapp configuration file located in webapp/WEB-INF/web.xml to map errors to specific URLs with the error-page element. This element creates a mapping between https://www.onehippo.org/library/concepts/error-pages-and-error-handling/1.-handling-error-codes-and-exceptions-by-the-web.xml.html the error-code or exception-type to the location of a resource in the web application.error-code - an integer valueexception-type - a fully qualified class name of a Java Exception typelocation - location of the resource in the webapp relative to the root of the web application. Value should start with /.Error code example:
Print + Share This Page 1 of 3 Next > Using JavaServer Pages, you can create custom error pages to deliver user-friendly messages to users when errors occur. In this article, Drew Falkman http://www.quepublishing.com/articles/article.aspx?p=25445&seqNum=4 shows you how. This sample chapter is excerpted from Drew Falkman's JRun Web Application Construction http://www.avajava.com/tutorials/lessons/how-do-i-create-a-jsp-error-page-to-handle-exceptions.html Kit (Que, 2001). This chapter is from the book This chapter is from the book JRun Web Application Construction Kit Learn More Buy This chapter is from the book This chapter is from the book JRun Web Application Construction Kit Learn More Buy The Web application framework provides a simple way to customize the look of how to error messages that can occur while users are accessing your pages. As you know, error messages are thrown because of syntax problems in your code, because of database connection problems, or just because the user has left out one or more required fields while filling out a form. The application framework enables you to customize any of these error messages. You can even hide them from the user's view entirely, if you how to use want. This enables you to maintain a consistent look and feel throughout an application, even when those dreaded error messages are thrown. Creating an Error Page The first step in outputting errors is to create an error page. Take a look at the error1.jsp page shown in Listing 1. Listing 1error1.jspA Simple Error Page <%-- Name: error1.jsp Author: Drew Falkman (iam@drewfalkman.com) Description: simple sample error page Created: 7/8/01 --%> <%-- set page as error page --%> <%@page isErrorPage="true" %>
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You seem to have encountered an error in an otherwise perfect Web Site. If you would like to report this error, you may email the site administrator, or call him directly. There is only one distinction between this page and a regular error page: <%@page isErrorPage="true" %> This line allows the page to accept and display any exception information from the page that sent it. So, for example, if a file called whatever.jsp has an exception, and it is told to load error1.jsp as the error page, error1.jsp obtains all the exception information from whatever.jsp. Page 1 of 3 Next > + Share This 🔖 Save To Your Account Related Resources Store Articles Blogs Adobe Muse on Demand By Ted LoCaTutorial Categories: Ajax (1)Ant (16)Apache Web Server (8)Bioinformatics (10)Cascading Style Sheets (47)Classes and Objects (14)Database (13)Design Patterns (22)Eclipse (39)Files (62)General Java (69)JSPs (9)Java Basics (11)Linux (23)Logging (5)Maven (88)Search (12)Servlets (20)Struts (1)Text (19)Tomcat (8)Version Control (8)Windows (2)XML (1) How do I create a JSP error page to handle exceptions? Author: Deron Eriksson Description: This Java tutorial describes how to create a JSP error page to handle exceptions. Tutorial created using: Windows XP || JDK 1.5.0_09 || Eclipse Web Tools Platform 2.0 (Eclipse 3.3.0) || Tomcat 5.5.20 Page: 1 2> When an exception is thrown in your web application and it is not caught, you will typically see the result featuring the exception displayed in your browser window, as shown here: Rather than displaying the above default page when an exception occurs, you can redirect the user to a custom-written error page for a particular type of exception. You can do this via the error-page element in web.xmlW, in which you can specify an exception-type and the location of the resource where a user should be sent if an error occurs. In this example, I specified the exception-type as java.lang.Throwable so that all exceptions would be sent to the error.jsp page.