JDBC Problem - com.mysql.jdbc.Driver

I am trying to connect to my MySQL DB with JDBC but I am having a problem with my servlet. I have my Data Access Object class which is able to establish a connection with the db. In my servlet init() function, I try to establish a connection using my DAO class but I keep getting the error message "com.mysql.jdbc.Driver". I do not understand what is happening as this worked fine in the DAO class.


Servlet.java

Code :

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private Dao dao = new Dao();
 
public void init() {
 	dao.connectToDB();   	
}

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Dao.java

Code :

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public  void connectToDB() {
    try {
        Class.forName ("com.mysql.jdbc.Driver").newInstance ();
        conn = DriverManager.getConnection (databaseURL, userName, password);
        System.out.println ("Database connection established");           
    } catch (Exception e) {
        System.err.println ("Cannot connect to database server");
        System.err.println ("Error message: " + e.getMessage());
    }  finally  {
        if (conn != null) {
            try {
                conn.close ();
                System.out.println ("Database connection terminated");
            } catch (Exception e) { }
        }
    }
}

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What is the exception message?
Paste here so that we could look over it. Also give the details about your variables, i mean where are they declared and what are there datatypes and scope too.

Exception message: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver

I solved the problem.
java - MySQL jdbc driver and Eclipse: ClassNotFoundexception com.mysql.jdbc.Driver - Stack Overflow