Problem with Handling Exception in Jsp

Question

hi
I am unable to handling exception in Jsp.
In my Simple Form i taken a simple text field named salary.
Details.jsp
<%@ page language="java" isErrorPage="true" errorPage="Det.jsp"%>
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html"%>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean"%>
<html:html>
<html:form action="/det.do">
Enter Salary<html:text property="sal"/><br>
<br>
<html:submit value="SEND" />
</html:form>
</html:html>and my Actionclass is:
package com.gurukul.util;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
public class DetUserAction extends Action {
     String s=null;
     int sal;
public ActionForward execute(ActionMapping map,ActionForm form,HttpServletRequest req,HttpServletResponse res) throws ServletException,IOException
     try
     sal=Integer.parseInt(req.getParameter("sal"));
     if (sal>0)
          s="success";
     else
     throw new SalException(sal);}
     catch(SalException e)
          e.getMessage();
     return map.findForward(s);
and my Formbean is
package com.gurukul.util;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
public class DetUserAction extends Action {
     String s=null;
     int sal;
public ActionForward execute(ActionMapping map,ActionForm form,HttpServletRequest req,HttpServletResponse res) throws ServletException,IOException
     try
     sal=Integer.parseInt(req.getParameter("sal"));
     if (sal>0)
          s="success";
     else
     throw new SalException(sal);}
     catch(SalException e)
          e.getMessage();
     return map.findForward(s);
}and my struts-config.xml is
                              </form-bean>
                              <form-bean name="DetUser"  
                       type="com.gurukul.util.DetUserForm">
                              </form-bean>
<action path="/det"
                      type="com.gurukul.util.DetUserAction"
                      name="DetUser"
                    input="/Details.jsp"
                       scope="request">
                       <exception key="errors.sal"
                       type="com.gurukul.util.SalException"
                       path="/jsp/Det.jsp"/>
                   <forward name="success" path="/jsp/DetailList.jsp"  />
                   <forward name="failure" path="/jsp/Details.jsp"/>
                     </action>and Det.jsp(i.e error jsp) is
<%@ page language="java" isErrorPage="true"%>
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html"%>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean"%>
<html:html>
<center><b>
Invalid Salary</b></center>
<%= exception.getMessage() %>
</html:html>but i didnt get exception on jsp.
please help me
Regards
VAS

Answer 1

hi
can you please guide me how to handle exceptions in Jsp(struts)?