Difficulty in compiling a servlet. 2003-10-12 - By Eric C
Back
Don't you have a syntax error somewhere ?
DBUpadate
-- -- Original Message -- --
From: "anunay ashish" <anunaya@(protected)>
To: "Tomcat Users List" <tomcat-user@(protected)>
Sent: Saturday, October 11, 2003 2:27 PM
Subject: Difficulty in compiling a servlet.
> Hi,
>
> The code for my bean is:
>
> package com.scheduler;
> import java.sql.*;
> public class DBUpdate
> {
> private Connection conn;
> private Statement stmt;
> private ResultSet rs;
> public DBUpdate()
> {
> conn = null;
> stmt = null;
> rs = null;
> }
> public void process(String query)
> {
> try
> {
>
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
> Connection conn =
> DriverManager.getConnection("jdbc:oracle:thin:@(protected):1521:myData",
> "mangesh", "mangesh");
> stmt = conn.createStatement();
> rs = stmt.executeQuery(query);
> System.out.println("Query: " + query + " executed");
> }
> catch(Exception exception1)
> {
> System.out.println("Error occured in DBUpdate.process()
> SQLException :" + exception1);
> }
> }
> public ResultSet getResultSet() throws SQLException
> {
> return rs;
> }
> public void destroy()
> {
> conn = null;
> stmt = null;
> rs = null;
> }
> }
>
> And for my servlet is:
>
> package com.scheduler;
> import java.io.*;
> import java.sql.*;
> import java.text.*;
> import java.util.*;
> import javax.servlet.*;
> import javax.servlet.http.*;
>
> public class addDataServlet extends HttpServlet
> {
> private String pageFormat;
> public void doPost(HttpServletRequest request, HttpServletResponse
> response) throws ServletException, IOException
> {
> ResultSet testRS;
> DBUpdate dbupdate = new DBUpdate();
> pageFormat = request.getParameter("newPageFormat");
> PrintWriter out = response.getWriter();
> out.print(pageFormat);
> String query = "Select * from lookup_page_format";
> dbupdate.process(query);
> try
> {
> testRS = dbupdate.getResultSet();
> while(testRS.next())
> {
> out.print(testRS.getString(2));
> out.print("hi");
> }
> }
> catch (SQLException e)
> {
> out.println("SQLException :" + e);
> }
> try
> {
> //set the attribute and forward to pageFormat.jsp
> request.setAttribute("servletName", "addDataServlet");
>
>
getServletConfig().getServletContext().getRequestDispatcher("/Tracking_syste
> m/pageFormat.jsp").forward(request, response);
> }
> catch (Exception ex)
> {
> ex.printStackTrace ();
> }
> }
> }
>
> On compiling the addDataServlet.java, an error is coming - Unresolved
> symbol:Class DBUpadate is not resolved
> Where I am doing wrong?
>
> Thanks in advance.
> Regards,
> Anunay.
>
>
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
> To unsubscribe, e-mail: tomcat-user-unsubscribe@(protected)
> For additional commands, e-mail: tomcat-user-help@(protected)
>
-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
To unsubscribe, e-mail: tomcat-user-unsubscribe@(protected)
For additional commands, e-mail: tomcat-user-help@(protected)
|
|
