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How to handle error object in JSP using JSTL tags?
You can make use of JSTL tags to write an error page ShowError.jsp with better structure and more information −
<%@ taglib prefix = "c" uri = "http://java.sun.com/jsp/jstl/core" %>
<%@page isErrorPage = "true" %>
<html>
<head>
<title>Show Error Page</title>
</head>
<body>
<h1>Opps...</h1>
<table width = "100%" border = "1">
<tr valign = "top">
<td width = "40%"><b>Error:</b></td>
<td>${pageContext.exception}</td>
</tr>
<tr valign = "top">
<td><b>URI:</b></td>
<td>${pageContext.errorData.requestURI}</td>
</tr>
<tr valign = "top">
<td><b>Status code:</b></td>
<td>${pageContext.errorData.statusCode}</td>
</tr>
<tr valign = "top">
<td><b>Stack trace:</b></td>
<td>
<c:forEach var = "trace"
items = "${pageContext.exception.stackTrace}">
<p>${trace}</p>
</c:forEach>
</td>
</tr>
</table>
</body>
</html>Access the main.jsp, the following will be generated −
Opps...
| Error: | java.lang.RuntimeException: Error condition!!! |
| URI: | /main.jsp |
| Status code: | 500 |
Stack trace: | org.apache.jsp.main_jsp._jspService(main_jsp.java:65) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:68) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) |
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