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Operating Systems Solaris Tomcat Error-HTTP Status code 500 Post 302344393 by srinivas2828 on Monday 17th of August 2009 02:20:39 AM
Old 08-17-2009
Tomcat Error-HTTP Status code 500

when I typed path http://localhost:8080/MyFirst/HelloWorld in web-browser ,it came up with error
HTTP Status 500 - 

type Exception report
description The server encountered an internal error () that prevented it from fulfilling this request.
javax.servlet.ServletException: Error allocating a servlet instance
root cause 
java.lang.UnsupportedClassVersionError: Bad version number in .class file
	java.lang.ClassLoader.defineClass1(Native Method)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.27 logs.

Files I placed in tomcat directory is web.xml in WEB-INF Directory, MyFirst.xml in /opt/apache-tomcat-5.5.27/conf/Catalina/localhost direcotry and HelloWorld.class in /opt/apache-tomcat-5.5.27/webapps/MyFirst/WEB-INF/classes directory

<?xml version="1.0" encoding="ISO-8859-1"?>

<!DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"





<!-- MyFirst Context -->
<Context path="/MyFirst" docBase="MyFirst" debug="0" reloadable="true"/>

File Edit Options Buffers Tools Java Help                                                                              
// Filename :                                                                                          
// Description : This servlet merely says hello!                                                                       

import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class HelloWorld extends HttpServlet {

    public void doGet ( HttpServletRequest request, HttpServletResponse response )
        throws ServletException, IOException    {

        PrintWriter out = response.getWriter();

        out.println("<head><title>Hello, Cruel World!</title></head>");
        out.println("<h1>Hello, Cruel World !</h1>");
        out.println("This is my first servlet.");
    }// end doGet                                                                                                      


Does anybody have about what the error messsage says?

---------- Post updated 08-17-09 at 02:20 AM ---------- Previous update was 08-16-09 at 11:24 AM ----------

Hello Freinds My Problem Solved thing is that I misused Jdk version instead of 1.6 I used 1.5 so the problem solved

Last edited by srinivas2828; 08-16-2009 at 12:29 PM.. Reason: spelling mistakes
Test Your Knowledge in Computers #158
Difficulty: Easy
The migration of the ARPANET to TCP/IP was officially completed on January 1, 1983, when the new protocols were permanently activated.
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