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Servlet Error Page

have a web-app developed with servlet & JSP. I configured my app to throw an IllegalArgumentException if I insert bad parameters. Then I configured my web.xml file in this way: 404 /error.jsp java.lang.Throwable /error.jsp When I rise a 404 error, then it works and calls error.jsp, but when I rise a java.lang.IllegalArgumentException, then it does not work and I've a blank page instead of error.jsp. Why? The web.xml error-page not working server is Glassfish, and logs show really IllegalArgumentException rised. java servlets web.xml custom-error-pages share|improve this question edited Apr 12 '13 at 14:22 BalusC 683k20824782695 asked Apr 12 '13 at 7:50 andPat 70831225 2 That's strange. Maybe you are catching the IllegalArgumentException somewhere else in your code? –Uooo Apr 12 '13 at 8:00 1 yes I catch the exception in a catch in the java code... it may be the problem? –andPat Apr 12 '13 at 9:33 2 If you already caught it in your code, then the server which called your code won't retrieve it. Simple as that. Just remove the catch and let it go, or rethrow the caught exception. –BalusC Apr 12 '13 at 14:23 add a comment| 2 Answers 2 active oldest votes up vote 7 down vote accepted You should not catch and suppress it, but just let it go. I.e. do not do: @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { doSomethingWhichMayThrowException(); } catch (IllegalArgumentException e) { e.printStackTrace(); // Or something else which totally suppresses the exception. } } But rather just let it go: @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doSomethingWhichMayThrowException(); } Or, if you actually intented to catch it for logging

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Servlet Exception In Java

(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: http://stackoverflow.com/questions/15965869/error-page-tag-in-web-xml-doesnt-catch-java-lang-throwable-exceptions 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 http://www.avajava.com/tutorials/lessons/how-do-i-create-a-jsp-error-page-to-handle-exceptions.html 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. java.lang.Throwable /error.jsp I created the error.jsp page shown below. error.jsp <%@ page isErrorPage="true" import="java.io.*" contentType="text/plain"%> Message: <%=exception.getMessage()%> StackTrace: <% StringWriter stringWriter = new StringWriter(); PrintWriter printWriter = new PrintWriter(stringWriter); exception.printStackTrace(printWriter); out.println(stringWriter); printWriter.close(); stringWriter.close(); %> Notice that at t

This Site Careers Other all forums Forum: JSF JSF : redirect errors to error https://coderanch.com/t/521672/JSF/java/JSF-redirect-errors-error-page page Suresh Khant Ranch Hand Posts: 118 posted 5 years ago Hi All , I am trying ( using jsf ) https://www.onehippo.org/library/concepts/error-pages-and-error-handling/1.-handling-error-codes-and-exceptions-by-the-web.xml.html to redirect the errors to the error page errors.jsp , but the following does not work ( part of web.xml) java.lang.Throwable web.xml error-page error.jsp 500 error.jsp 404 error.jsp 400 error.jsp javax.servlet.ServletException error.jsp javax.faces.FacesException error.jsp java.lang.NullPointerException error.jsp because when i am trying to access a page which does not exist in my application it display the error-page exceptiontype java.lang.exception page with code HTTP Status 404 is my there anything wrong in my above code , what is the best way to redirect jsf errors to error pages with example if possible. Suresh Khant Ranch Hand Posts: 118 posted 5 years ago Hi All , I have changed the code as the following java.lang.Throwable /error.faces 500 /error.faces 404 /error.faces 400 /error.faces javax.servlet.ServletException /error.faces javax.faces.FacesException /error.faces java.lang.NullPointerException /error.faces error.jsp <%@ page language="java"%> <%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%> <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> Error Page

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