Erro ao cadastrar no Banco de dados [resolvido]

package br.com.sisnov.jdbc;

import java.util.Calendar;

public class TestaInsere {
	public static void main(String[] args) {
		Contato contato = new Contato();
		for (int i = 0; i < 30000; i++) {
			contato.setNome("Nome do usuario");
			contato.setEmail("[email removido]");
			contato.setEndereco("endreço");
			contato.setDataNascimento(Calendar.getInstance());
			
			ContatoDAO dao = new ContatoDAO();
			dao.adiciona(contato);
			System.out.println(i);	
		}
	}
}

package br.com.sisnov.jdbc;

import java.sql.Connection;
import java.sql.SQLException;

public class TestaConexao {
	public static void main(String[] args) throws SQLException {
		Connection connection = new ConnectionFactory().getConnection();
		System.out.println("Conexao aberta!");
		connection.close();
	}
}

package br.com.sisnov.jdbc;

import java.sql.Connection;
import java.sql.Date;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class ContatoDAO {
	private Connection connection;

	public ContatoDAO() {
		this.connection = new ConnectionFactory().getConnection();
	}

	public void adiciona(Contato contato) {
		String sql = "insert into contatos(nome,email,endereco,dataNascimento) values (?,?,?,?)";
		try {
			PreparedStatement stmt = connection.prepareStatement(sql);
			stmt.setString(1, contato.getNome());
			stmt.setString(2, contato.getEmail());
			stmt.setString(3, contato.getEndereco());
			stmt.setDate(4, new Date(contato.getDataNascimento()
					.getTimeInMillis()));
			stmt.execute();
			stmt.close();

		} catch (SQLException e) {
			throw new RuntimeException(e);
		}
	}
}

package br.com.sisnov.jdbc;
import java.util.Calendar;

public class Contato {
	private Long id;
	private String nome;
	private String email;
	private String endereco;
	private Calendar dataNascimento;
	//ctrl + 3
	public Long getId() {
		return id;
	}
	public void setId(Long id) {
		this.id = id;
	}
	public String getNome() {
		return nome;
	}
	public void setNome(String nome) {
		this.nome = nome;
	}
	public String getEmail() {
		return email;
	}
	public void setEmail(String email) {
		this.email = email;
	}
	public String getEndereco() {
		return endereco;
	}
	public void setEndereco(String endereco) {
		this.endereco = endereco;
	}
	public Calendar getDataNascimento() {
		return dataNascimento;
	}
	public void setDataNascimento(Calendar dataNascimento) {
		this.dataNascimento = dataNascimento;
	}
	
	
}

package br.com.sisnov.jdbc;

import java.sql.*;

public class ConnectionFactory {
	public Connection getConnection() {
		System.out.println("Conectando ao banco");
		try {
			return DriverManager.getConnection("jdbc:mysql://localhost/teste",
					"root", "12345");
		} catch (SQLException e) {
			throw new RuntimeException(e);
		}
	}
}

Exception in thread "main" java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Data source rejected establishment of connection,  message from server: "Too many connections"
	at br.com.sisnov.jdbc.ConnectionFactory.getConnection(ConnectionFactory.java:12)
	at br.com.sisnov.jdbc.ContatoDAO.<init>(ContatoDAO.java:12)
	at br.com.sisnov.jdbc.TestaInsere.main(TestaInsere.java:14)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Data source rejected establishment of connection,  message from server: "Too many connections"
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
	at com.mysql.jdbc.Util.getInstance(Util.java:381)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:984)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
	at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1096)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2048)
	at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:723)
	at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
	at sun.reflect.GeneratedConstructorAccessor5.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:282)
	at java.sql.DriverManager.getConnection(Unknown Source)
	at java.sql.DriverManager.getConnection(Unknown Source)
	at br.com.sisnov.jdbc.ConnectionFactory.getConnection(ConnectionFactory.java:9)
	... 2 more