Need help on java with mysql...

I want to make application that will use mysql as database. I have downloaded mysql connector j but i'm confuse about how to install it to jdk. for reference, i'm using windows xp, phptriad that have mysql 4.1.
After that, how do I connect my application to the database?
please help...
Thanks before...

Have a look at this tutorial:
http://java.sun.com/docs/books/tutorial/jdbc/index.html

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Can' t connect Java with MySQL

My goal is to connect Java with MySQL. I found many solutions on Internet, but I always get the same mistake:
SQLException: No suitable driver
SQLState: 08001
VendorError: 0MySQL works fine alone or with php.Only thing left me to think is that the installed versions are not compatible for this mysql-connector-java-5.0.4
I don't believe that could be a reason.
Installed versions are:
Apache Tomcat 5.5.20 Server
Apache HTTP Server 2.2.4
PHP 5.2.0
MySQL 5.2
jre 1.5.0_11
jdk1.5.0_11
Apache Tomacat JK2 connector Version: 1.2.20 File Name: mod_jk-apache-2.2.3.so
mysql-connector-java-5.0.4
I also set connector in class path: C:\mysql-connector-java-5.0.4;C:\mysql-connector-java-5.0.4\mysql-connector-java-5.0.4-bin.jar;C:\mysql-connector-java-5.0.4\src\com\mysql\jdbc
For installation I used manulas from:
http://apacheguide.org/jsp.php
http://doc.51windows.net/mysql/?url=/MySQL/ch23s03.html
Here is also a test code in java:
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
   public class Connect
       public static void main (String[] args)
           Connection conn = null;
           try {
    conn =
       DriverManager.getConnection("jdbc:mysql://localhost/first_test" +
                                   "user=monty&password=greatsqldb");
    // Do something with the Connection
} catch (SQLException ex) {
    // handle any errors
    System.out.println("SQLException: " + ex.getMessage());
    System.out.println("SQLState: " + ex.getSQLState());
    System.out.println("VendorError: " + ex.getErrorCode());
   }i'm desperate, please help or tell me someone who'll know the answer.
Thank You in advance

hey buddy .. it seems yr code is wrong .. in getconnection () method u should also specify the port ,which u r not doing ...
the default port for MySQL is 3306 ... see below i am giving you a sample code ... its working fine .. and dont forget to put the MySQL driver jar path in to classpath and also copy the jar into common/lib folder of your tomcat ....
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class MySQLConnectionTest {
     public static void main(String[] args) {
new MySQLConnectionTest().connTest();
public void connTest() {
          String tableName = "portfolio"; //change as per setting
          String hostName = "10.81.9.39"; // please change for the target database ip or hostname
          String dbPort = "3306"; //change if not using the default
          String dbName = "tradingsystem"; //change as per the given DB name
          String username = "root"; //change as per setting
          String password = "password"; //change as per setting
          System.out.println("before try");
          Double data=0.0;
     Double data1=0.0;
          try {
Class.forName("org.gjt.mm.mysql.Driver");
               System.out.println("before driver manager");
Connection conn = DriverManager.getConnection("jdbc:mysql://"+hostName+":"+dbPort+"/"+dbName, username, password);
String query1 = "select * from "+tableName+" where User_id='trader1' and Stock_Type='Equity'";
System.out.println("quesry1="+query1);
Statement stmt = conn.createStatement();
ResultSet rs1 = stmt.executeQuery(query1);
while(rs1.next())
     System.out.println("hiiiiii for rs1");
     System.out.println(rs1);
     Quantity=(Integer)rs1.getObject(5);
     MarketPrice=(Double) rs1.getObject(8);
     data=Quantity*MarketPrice;
     data1+=data;
     System.out.println("data1="+data1);
     i=0;
rs1.close();
stmt.close();
conn.close();
} catch (ClassNotFoundException e) {
e.printStackTrace(System.err);
} catch (SQLException e) {
e.printStackTrace(System.err);
i hope it will work for u...
cheers,

Date Problem in Java with MySql

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I am using Java with Mysql.I want to enter date in some in my format(YYYY:MM:DD:HH:MM:SS), this thing i have convert using format class and format class return date in String and iwwnat to insert this value in MySQL Table,So i want to know how can i convert String value in Date for Mysql is their inbuild function for converting string into date in mysql.
Regards
Anupam S

Use PreparedStatement and SimpleDateFormat classes
http://onesearch.sun.com/search/onesearch/index.jsp?qt=%2BPreparedStatement+%2BSimpleDateFormat+&qp=siteforumid%3Ajava48&chooseCat=allJava&col=developer-forums&site=dev

Hoe to connect java with mysql 5.0

I have installed the new Os. in that RHE-5 Os is there, now I want that java can connect ot mysql but , its not able connect with mysql so please guide me.

1) download mysql connector/J JDBC driver from mysql.com
2) put the driver jar somewhere where you can put it in the classpath of your application
3) use proper setup code to connect to the database (search google, tons of examples)
If at any step you have no clue what I am talking about, you need a good book to help you further.

Problems conecting java with mysql

Hi, im workin' with mysql-connector-java-3.1.12 and it work on debug runtime but not when i access the .jar of the project.
the code of conection is:
try
Class.forName("com.mysql.jdbc.Driver").newInstance();
con = DriverManager.getConnection(url,login,password);
con.setAutoCommit(false);
catch (Exception e)
JOptionPane.showMessageDialog(null,"error en " + e.getMessage());
there is no problems with code, it works!!, but i don't know what to do about of conection in the .jar
I apreciate some help with this, Thankkkssss!!!

Hi, im workin' with mysql-connector-java-3.1.12 and
it work on debug runtime but not when i access the
.jar of the project.Huh?
the code of conection is:
try
lass.forName("com.mysql.jdbc.Driver").newInstance();
con =
DriverManager.getConnection(url,login,password);
con.setAutoCommit(false);This is probably wrong. Unnecessary in this case - you aren't doing any writes.
catch (Exception e)
OptionPane.showMessageDialog(null,"error en " +
e.getMessage());This is foolish code. You don't need Swing or a dialog box. You're printing less information than is available. Better to print the entire stack trace.
is no problems with code, it works!!, Plenty of problems, really, regardless of whether it "works".
You don't post your URL. That would help.
but i don't
know what to do about of conection in the .jar
I apreciate some help with this, Thankkkssss!!!Put in the CLASSPATH, of course. NOT a system environment variable, either. javac.exe and java.exe ignore it. Use the -classpath option.
%

Java with MYSQL in Linux

i am using JSP in Linux Platform. when i connected to mysql with mysql driver for odbc by using the following code,
import java.sql.*;
public class TestMysql
public static void main(String args[]) {
try {
          Connection con;
          String connStr = "jdbc:mysql://localhost/test?user=root&password=mysql";
          Class.forName( "com.mysql.jdbc.Driver" ).newInstance();
          System.out.println("OK");
          con = DriverManager.getConnection( connStr );
          System.out.println("Again OK");
catch( Exception x )
x.printStackTrace();
i got the following exception
OK
java.sql.SQLException: Error during query: Unexpected Exception: java.io.CharConversionException message given: null
Nested Stack Trace:
** BEGIN NESTED EXCEPTION **
java.io.CharConversionException
STACKTRACE:
java.io.CharConversionException
at gnu.gcj.convert.Input_iconv.read(char[], int, int) (/usr/lib/libgcj.so.5.0.0)
at java.lang.String.init(byte[], int, int, java.lang.String) (/usr/lib/libgcj.so.5.0.0)
at java.lang.String.String(byte[], int, int, java.lang.String) (/usr/lib/libgcj.so.5.0.0)
at com.mysql.jdbc.SingleByteCharsetConverter.SingleByteCharsetConverter(java.lang.String) (Unknown Source)
at com.mysql.jdbc.SingleByteCharsetConverter.initCharset(java.lang.String) (Unknown Source)
at com.mysql.jdbc.SingleByteCharsetConverter.getInstance(java.lang.String, com.mysql.jdbc.Connection) (Unknown Source)
at com.mysql.jdbc.Connection.getCharsetConverter(java.lang.String) (Unknown Source)
at com.mysql.jdbc.StringUtils.getBytes(java.lang.String, java.lang.String, java.lang.String, boolean, com.mysql.jdbc.Connection) (Unknown Source)
at com.mysql.jdbc.Buffer.writeStringNoNull(java.lang.String, java.lang.String, java.lang.String, boolean, com.mysql.jdbc.Connection) (Unknown Source)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(com.mysql.jdbc.Statement, java.lang.String, java.lang.String, com.mysql.jdbc.Buffer, int, com.mysql.jdbc.Connection, int, int, boolean, java.lang.String, boolean) (Unknown Source)
at com.mysql.jdbc.Connection.execSQL(com.mysql.jdbc.Statement, java.lang.String, int, com.mysql.jdbc.Buffer, int, int, boolean, java.lang.String, boolean, boolean) (Unknown Source)
at com.mysql.jdbc.Connection.configureClientCharacterSet() (Unknown Source)
at com.mysql.jdbc.Connection.initializePropsFromServer() (Unknown Source)
at com.mysql.jdbc.Connection.createNewIO(boolean) (Unknown Source)
at com.mysql.jdbc.Connection.Connection(java.lang.String, int, java.util.Properties, java.lang.String, java.lang.String) (Unknown Source)
at com.mysql.jdbc.NonRegisteringDriver.connect(java.lang.String, java.util.Properties) (Unknown Source)
at java.sql.DriverManager.getConnection(java.lang.String, java.util.Properties) (/usr/lib/libgcj.so.5.0.0)
at java.sql.DriverManager.getConnection(java.lang.String) (/usr/lib/libgcj.so.5.0.0)
at TestMysql.main(java.lang.String[]) (Unknown Source)
** END NESTED EXCEPTION **
at com.mysql.jdbc.Connection.execSQL(com.mysql.jdbc.Statement, java.lang.String, int, com.mysql.jdbc.Buffer, int, int, boolean, java.lang.String, boolean, boolean) (Unknown Source)
at com.mysql.jdbc.Connection.configureClientCharacterSet() (Unknown Source)
at com.mysql.jdbc.Connection.initializePropsFromServer() (Unknown Source)
at com.mysql.jdbc.Connection.createNewIO(boolean) (Unknown Source)
at com.mysql.jdbc.Connection.Connection(java.lang.String, int, java.util.Properties, java.lang.String, java.lang.String) (Unknown Source)
at com.mysql.jdbc.NonRegisteringDriver.connect(java.lang.String, java.util.Properties) (Unknown Source)
at java.sql.DriverManager.getConnection(java.lang.String, java.util.Properties) (/usr/lib/libgcj.so.5.0.0)
at java.sql.DriverManager.getConnection(java.lang.String) (/usr/lib/libgcj.so.5.0.0)
at TestMysql.main(java.lang.String[]) (Unknown Source)
i have the database, hello.
The same code works well in Windows, But in Linux, the above exception.
By using the username root and password mysql , i can connect to mysql directly from the mysql prompt.
Pls help me..
I have already put the query 'access denied problem in Mysql' some day before. from the reply, i made some changes in user table(ie. set the password for [email protected].).After this change, this new Exception came..
The structure of my mysql.user table is
#     host                         user          password
1     localhost                    root          68d4f47c49a579c9
2     localhost.localdomain          root          68d4f47c49a579c9
3     localhost.localdomain
4     localhost
Pls help me.
Edited by: SUMESHBABU_R on Sep 30, 2007 11:36 PM

Well, at least the trace tells me that this issue is to be tracked back to the core of the MySQL JDBC driver and the Linux's implementation of JVM. It might be worth the effort to post this issue at their website/forum/issuetracker. It might also be worth the effort to tryout the newer MySQL JDBC driver 5.1, as it is written specific for JDK 6.0 (while MySQL JDBC driver 5.0 is targeted at JDK 5.0).

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