JSP and MySQL

dear all,
I am new to sql and database programming and am a bit confussed about the line:
Connection Conn = DriverManager.getConnection("jdbc:mysql:dbname");
the jdbc is the what is the dbname??? is it the address of the database on your hard drive??? how is it formated??? what is the file that you need to point to??? how dies this work
Thanks T

Hi
the JDBC Url should have the following format
jdbc:mysql://<hostname>:<port>/<database>
If your MySQL Database is running at your local host
and it is using the default port than you can use
jdbc:mysql://127.0.0.1:3306/test
jdbc -> Means you are trying to open a jdbc connection
mysql -> MySQL Databse Driver
(make sure that your MySQL jdbc driver is registered)
to connect to the test database on your MySQL Server
regards
thsimon

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org.apache.jasper.JasperException: Exception in JSP: /retreive_book.jsp:15
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HI guys,
I have been facing another problem. The codings below. Worked well with my JSP and Access database.
Then I transfered my database to MySQL and it gives out syntax error in my SQL statement.
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<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
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<%@page import="ot3.User"%>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>vastaanotto</title>
</head>
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Hi,
I'm new to JSP and I'm having some problems with it. I'm trying to do a simple login where a java class (bean?) handles the SQL injektion. I have deployed the page on tomcat and it works fine, except that the sqlinjektion does basically nothing. I have installed the mysql driver. I think there is something wrong with the java class, or the way im calling it. It does not produce any error. But its like it would never actually process the java code, because ive tried to append things to error string to see what is going on, nothing happens. everything stay null, no exceptions are thrown. If I implement the code to JSP itself, it does load the driver and print exception that there is no connection to database (which is correct). What am I missing? Code follows:
the sqlhandler:
public abstract class SqlInjektor {
     private static String Database = "*****";
     private static String serverName = "localhost:3306";
     private static String usrName="******";
     private static String passw="******";
     * @return Connection
     public static Connection createConnection(String error){
          Connection mySqlCon = null;
          try{
               Class.forName("com.mysql.jdbc.Driver").newInstance();
          catch(Exception E){
               PrintWriter out = response.getWriter();
               out.println("lol");
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               mySqlCon = DriverManager.getConnection(url);
          catch (Exception E){
               E.printStackTrace(System.out);
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     * @param command
     * @return ResultSet
     public static ResultSet querySQL(String command,String error, Connection con){
          ResultSet rs = null;
          try{
               Statement stmt = con.createStatement();
               rs = stmt.executeQuery(command);
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<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ page isErrorPage="false" %>
<%@ page import="java.sql.*" %>
<%@page import="ot3.User"%>
<%@page import="ot3.SqlInjektor"%>
<%@page import="Javax.servlet.jsp.*"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>vastaanotto</title>
</head>
<body>
<%!      String id;
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     User user;
%>
<%      user = new User();
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password = request.getParameter("Password");
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</body>
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PleaseHelp on jsp and Mysql connectivity and a lot of exception errors

Hi,
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<%
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About jsp and mysql

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Requirement:
I have a front end in which there are 3 fields name,age,status when ever I enter values these should be stored in mysql db.and here in status I have check constraint it should be either 'Active' or 'Inactive'
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TAGNUMBER, int
TAGVALUE, float
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a Schneider Electric Factory Cast HMI Modicon PLC module keeps logging data from the PLC onto the TAGLOG table.
we need to set-up a form to allow the user to select:
start date: ____
start time: ____
end date: ___
end time: ___
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Trajano

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Need a host free about jsp and mysql in order to test my subject project.

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Try Google Apps. Totally free.
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I just selected some. Thanks,

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I am new to JSP /servlet.
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In windows I see error messages in the tomcat console, how do I see these message on linux?
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There are files named "localhost_log.TODAYSDATE.txt", there are files named "catalina_log.TODAYSDATE.txt", and there's a file called "catalina.out".
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T1 class:
package VX;
import java.sql.*;
import java.util.*;
import javax.swing.*;
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private static String DATABASE_URL;
protected Connection connection;
protected Statement statement;
//===========End DBC==============================================
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     //return resultList;
     return null;
//------Methods-------
public void connectDB()
//===========================Connection===================
try
Class.forName(JDBC_DRIVER);
catch(Exception e)
System.out.println("Error : FOR NAME");
try
connection = DriverManager.getConnection(DATABASE_URL, "root", "0000");
catch(Exception e)
System.out.println("Error : DB URL");
try
statement = connection.createStatement();
catch(Exception e)
System.out.println("Error : CREATE STATEMENT ERROR");
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try
statement.close();
connection.close();
catch(Exception e2)
System.out.println("Error : CAN'T CLOSE DB");
T2 Class
package VX;
// class Person.
//Required Class : EDC.EDCDB
import java.sql.*;
public class T2
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     private String password;
     private T1 db=new T1();
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          password=p;
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                    return ""+2;
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                         return ""+3;
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          password=p;
          try
          db.connectDB();
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               return -1;
          finally
               //System.out.println("Done");
               db.disconnectDB();
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          return 1;
}//end class
This is a tested class and it's work OK
import VX.T2;
public class T3
     public static void main(String [] args)
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<%@ page contentType="text/html; charset=windows-1256" language="java" import="java.sql.*" errorPage="" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
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//Mazin B. Jabarin 20210464
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String connectionURL = "jdbc:mysql://localhost:3306/EDCDB?user=root;password=0000";
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%>
<%
try{
Class.forName("com.mysql.jdbc.Driver");
connection = DriverManager.getConnection(connectionURL, "root", "0000");
statement = connection.createStatement();
rs = statement.executeQuery("SELECT * FROM a");
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out.println(rs.getString("id")+"<br>");
rs.close();
catch(Exception e)
out.print("Error : "+e.getMessage());
%>
</body>
</html>
Now this JSP File always returns (-1) ???? !!!!!!!
<%@ page contentType="text/html; charset=iso-8859-1" language="java" import="java.sql.*" import="VX.T2" import="java.util.*" errorPage="" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body>
<%
try
T2 t2=new T2();
out.println("Result Still : "+t2.getCard("1","a"));
catch(Exception w)
out.println("<BR> Error In Execution ??? "+w.getMessage());
%>
</body>
</html>
++++++++++++++++++++++++++++
any one can help me please :(
i use tomcat as web-application
and i install jdk 1.5
also JBulder 7
(now i supposed that the JBulder make some conflict, so i uninstalled it but still Not Working) ...
before one year i was working just like this way and it was working
but now i dont know what is the problem
i am really need help.

JSP and MySQL

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