1 Reply Latest reply on May 3, 2005 11:02 AM by n kwok

    Jboss4.0_Jsp_page_errorPage_exception problem

    n kwok Newbie

      Related Files:

      C:\jboss-4.0.0\server\default\deploy\jsp.war\Calculate2.html

      <FORM METHOD=GET ACTION=Calculate2.jsp>
      <INPUT TYPE=TEXT NAME=Value1><BR>
      <INPUT TYPE=TEXT NAME=Value2><BR>
      <INPUT TYPE=SUBMIT VALUE=Calculate>
      </FORM>


      C:\jboss-4.0.0\server\default\deploy\jsp.war\Calculate2.jsp

      <%@ page errorPage="Calculate2Error.jsp" %>
      <%! private String v1;
       private String v2; %>
      <% v1 = request.getParameter("Value1");
       v2 = request.getParameter("Value2"); %>
      The sum of <%= v1 %> and <%= v2 %> is
      <%= Integer.parseInt(v1) + Integer.parseInt(v2) %>



      C:\jboss-4.0.0\server\default\deploy\jsp.war\Calculate2Error.jsp

      <%@ page isErrorPage="true" %>
      Calculate2Error.jsp reported the following error:
      <I><%= exception %></I>.
      <P><A HREF="Calculate2.html">Click here to try again</A>


      My problem:

      One of the response of the above codes are like this:
      When the calculate2html file is displayed on the browser,
      suppose when not entering any value or non-integer value
      in the input box, the Calculate2Error.jsp will be called via
      Calculate2.jsp to display exception error
      message: java.lang.NumberFormatException: null
      or any wrong input like:abcd

      But we I do so, I got the following error reported:

      ERROR:
      Condition: When not puting value on Value1 text box.......as shown:

      http://localhost:8080/jsp/Calculate2.jsp?Value1=&Value2=6

      Result: The page cannot be displayed
      HTTP 500 - Internal server error
      Internet Explorer

      Please advise why such problem occurs or any idea on the possible cause of it.

      Information of my PC:-

      -------Operating system used: Window professional XP sp1 (English)

      --------System >> Environment Variables >> User variables
      ANT_HOME: C:\apache-ant-1.6.2
      JAVA_Home: c:\Program Files\Java\jdk1.5.0_01
      JBOSS_HOME: C:\jboss-4.0.0
      path: C:\Program Files\Java\jdk1.5.0_01\bin;C:\apache-ant-1.6.2\bin

      --------System >> Environment Variables >> System variables
      OS Windows_NT
      Path: %SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;
      C:\Program Files\Common Files\Adaptec Shared\System;
      C:\Program Files\Microsoft SQL Server\80\Tools\Binn\;
      C:\Program Files\Java\jdk1.5.0_01\bin
      PATHEXT:.COM; .EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH