Failed to load class "org.slf4j.impl.StaticLoggerBinder" (Encerrado)

Assuntos Gerais
#1

Prezados, boa noite.
Alguem sabe o problema que ocorre abaixo?
Segue a configuração do Hibernate e uma classe main simples para teste.

Abraços!!!

SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”.
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.

Hibernate.cfg

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC   "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
	<session-factory>
		<property name="hibernate.connection.driver_class">
			oracle.jdbc.driver.OracleDriver
        </property>
		<property name="hibernate.connection.url">
			jdbc:oracle:thin:@127.0.0.1:1521:XE
        </property>
		<property name="hibernate.connection.username">
			HibernateMaster
        </property>
		<property name="hibernate.connection.password">
			dbzgtaf
        </property>
		<property name="hibernate.dialect">
			org.hibernate.dialect.Oracle10gDialect
        </property>
		<property name="show_sql">
			true
        </property>
		<mapping resource="pessoa.hbm.xml" />
	</session-factory>
</hibernate-configuration>

Principal

package principal;


import org.hibernate.Session;
import org.hibernate.Transaction;


public class Principal {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		
		Session sessao = HibernateUtils.getSession();
		Transaction transacao = sessao.beginTransaction();

	}

}
#2

De acordo com o Bruno Cebim…em um dos vários tópicos sobre esse mesmo assunto, baixei o Jar abaixo e funcionou.

slf4j-simple-1.6.1.jar
http://www.slf4j.org/download.html

Abraços.

#3

Você precisa dos pacotes:

log4j-1.2.16.jar
slf4j-api-1.6.1.jar
slf4j-log4j12-1.6.1.jar

#4