mysql jdbc connector wird nicht gefunden

try {
String username = "******";
String password = "********";
String database = "***********";
String sql_befehl = "select * from users"; 
Class.forName("com.mysql.jdbc.Driver").newInstance();
text.setText("HAHA");
Connection con = (Connection) DriverManager.getConnection(
"jdbc:mysql://**********/" + database,
username, password);

Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery(sql_befehl);
 
while (rs.next()) {
 }
rs.close();
stmt.close();
 } catch (Exception e) {
text.setText(e.toString());
}