Error Page Java Jsp
Contents |
ContentHandling JSP Page Errors Any number of exceptions
Custom Error Page Jsp
can arise when a JSP page is executed. To specify jsp error page template that the web container should forward control to an error page if an exception jsp error page print stack trace occurs, include the following page directive at the beginning of your JSP page: <%@ page errorPage="file-name" %> The Duke’s Bookstore application page tut-install/javaeetutorial5/examples/web/bookstore2/web/template/preludeErrorPage.jspf contains
Jsp Error Page Example
the directive: <%@ page errorPage="errorpage.jsp"%> The following page directive at the beginning of tut-install/javaeetutorial5/examples/web/bookstore2/web/error/errorpage.jsp indicates that it is serving as an error page: <%@ page isErrorPage="true" %> This directive makes an object of type javax.servlet.jsp.ErrorData available to the error page so that you can retrieve, interpret, and possibly display
Jsp Vs Php
information about the cause of the exception in the error page. You access the error data object in an EL (see Unified Expression Language) expression by way of the page context. Thus, ${pageContext.errorData.statusCode} retrieves the status code, and ${pageContext.errorData.throwable} retrieves the exception. You can retrieve the cause of the exception using this expression: ${pageContext.errorData.throwable.cause} For example, the error page for Duke’s Bookstore is as follows: <%@ page isErrorPage="true" %> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt" %>
: ${pageContext.errorData.throwable.cause} Note – You can also define error pages for the WAR that contains a JSP page. If error pages are defined for both the WAR and a JSP page, the JSP page’s error page takes precedence. Previous: BufferingNext: Creating Static Content © 2010, Oracle Corporation and/or its affiliates
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Exception is: <%= exception %> download this example Output of this example: Example of exception handling in jsp by specifying the error-page element in web.xml file This approach is better because you don't need to specify the errorPage attribute in each jsp page
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