Error na persistencia

Galera, depois de insistir muito com a conexão do eclipse com SQLServer, acabei sedendo para o MySQL, então fiz o download do SqlWorkbench e conectei, até ai tudo bem, mas quando coloquei meu codigo para funfar oia o que deu.

package Eventos.Ultil;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;

import Eventos.classes.Usuarios;

public class Jdbc2 {
	public static void main(String args[]) {

		EntityManagerFactory factory = Persistence
				.createEntityManagerFactory("eventos");
		EntityManager em = factory.createEntityManager();

		Usuarios usu = new Usuarios();
		usu.setEmail("cassiombc@gmail.com");
		usu.setFone("2222-1111");
		usu.setNome("cassio");
		em.getTransaction();
		em.persist(usu);
		em.getTransaction().commit();

	}

}

0 [main] INFO org.hibernate.annotations.common.Version - Hibernate Commons Annotations 3.2.0.Final
6 [main] INFO org.hibernate.cfg.Environment - Hibernate 3.6.8.Final
7 [main] INFO org.hibernate.cfg.Environment - hibernate.properties not found
9 [main] INFO org.hibernate.cfg.Environment - Bytecode provider name : javassist
13 [main] INFO org.hibernate.cfg.Environment - using JDK 1.4 java.sql.Timestamp handling
64 [main] INFO org.hibernate.ejb.Version - Hibernate EntityManager 3.6.8.Final
80 [main] INFO org.hibernate.ejb.Ejb3Configuration - Could not find any META-INF/persistence.xml file in the classpath
Exception in thread “main” javax.persistence.PersistenceException: No Persistence provider for EntityManager named eventos
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:69)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:47)
at Eventos.Ultil.Jdbc2.main(Jdbc2.java:13)

Galera eu coloquei a pasta META-INF no classpath mas ai ele gerou o seguinte

09:51:12,404 INFO [main] Main - javax.xml.transform.TransformerFactory=null
09:51:12,405 INFO [main] Main - java.endorsed.dirs=C:\Program Files\Java\jre6\lib\endorsed
09:51:12,409 INFO [main] Main - launchFile: C:\Users\dell\Documents\projetos_eclipse.metadata.plugins\org.eclipse.wst.xsl.jaxp.launching\launch\launch.xml
09:51:13,027 FATAL [main] Main - No embedded stylesheet instruction for file: file:/C:/Users/dell/Documents/projetos_eclipse/JSP/META-INF/hibernate.cfg.xml
org.eclipse.wst.xsl.jaxp.debug.invoker.TransformationException: No embedded stylesheet instruction for file: file:/C:/Users/dell/Documents/projetos_eclipse/JSP/META-INF/hibernate.cfg.xml
at org.eclipse.wst.xsl.jaxp.debug.invoker.internal.JAXPSAXProcessorInvoker.transform(JAXPSAXProcessorInvoker.java:225)
at org.eclipse.wst.xsl.jaxp.debug.invoker.internal.JAXPSAXProcessorInvoker.transform(JAXPSAXProcessorInvoker.java:186)
at org.eclipse.wst.xsl.jaxp.debug.invoker.internal.Main.main(Main.java:73)
Caused by: org.eclipse.wst.xsl.jaxp.debug.invoker.TransformationException: No embedded stylesheet instruction for file: file:/C:/Users/dell/Documents/projetos_eclipse/JSP/META-INF/hibernate.cfg.xml
at org.eclipse.wst.xsl.jaxp.debug.invoker.internal.JAXPSAXProcessorInvoker.transform(JAXPSAXProcessorInvoker.java:214)
… 2 more

Primeiro, você não possui um arquivo persistence,xml
Segundo, como este aquivo não existe, você não tem um EntityManager chamado eventos…

Eu te tenho o hibernate.cfg.xml

<?xml version="1.0" encoding="UTF-8"?>

<hibernate-configuration>

	<session-factory>

		<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
		<property name="connection.url">jdbc:mysql://127.0.0.1:3306/mysql</property>
		<property name="connection.username">root</property>
		<property name="connection.password"></property>
		<property name="dialect">org.hibernate.dialect.MYSQLDialect</property>
		<property name="c3p0.min_size">5</property>
		<property name="c3p0.max_size">20</property>
		<property name="c3p0.timeout">300</property>
		<property name="c3p0.max_statements">50</property>
		<property name="c3p0.idle_test_period">3000</property>
		<property name="show_sql">true</property>
		<mapping class="Eventos.classes.Produtora"/>
		<mapping class="Eventos.classes.Usuarios"/>
		


	</session-factory>

</hibernate-configuration>

hibernate.cfg.xml != persistence.xml

Você está misturando as coisas, tentando criar uma aplicação utilizando JPA e EntityManager, mas baseando-se em uma estrutura do hibernate.

Você deve definir se vai utilizar EntityManager, então, crie o persistence.xml
Senão, troque o EntityManager por Session e boa.

Sugestão, jogue fora o tutorial que está seguindo, procure pela documentação oficial ou mesmo, por exemplos na net.

eu criei uma classe hibernate util, e coloquei o hibernate.cfg.xml no classpath, e mandei funfa mas ele gerou o seguinte error:

0 [main] INFO org.hibernate.annotations.common.Version - Hibernate Commons Annotations 3.2.0.Final
6 [main] INFO org.hibernate.cfg.Environment - Hibernate 3.6.8.Final
7 [main] INFO org.hibernate.cfg.Environment - hibernate.properties not found
10 [main] INFO org.hibernate.cfg.Environment - Bytecode provider name : javassist
13 [main] INFO org.hibernate.cfg.Environment - using JDK 1.4 java.sql.Timestamp handling
70 [main] INFO org.hibernate.cfg.Configuration - configuring from resource: /hibernate.cfg.xml
71 [main] INFO org.hibernate.cfg.Configuration - Configuration resource: /hibernate.cfg.xml
316 [main] ERROR org.hibernate.util.XMLHelper - Error parsing XML: /hibernate.cfg.xml(3) Document is invalid: no grammar found.
316 [main] ERROR org.hibernate.util.XMLHelper - Error parsing XML: /hibernate.cfg.xml(3) Document root element “hibernate-configuration”, must match DOCTYPE root “null”.
Exception in thread “main” java.lang.ExceptionInInitializerError
at Eventos.Ultil.Jdbc2.main(Jdbc2.java:11)
Caused by: org.hibernate.MappingException: invalid configuration
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:2241)
at org.hibernate.cfg.AnnotationConfiguration.doConfigure(AnnotationConfiguration.java:230)
at org.hibernate.cfg.AnnotationConfiguration.doConfigure(AnnotationConfiguration.java:71)
at org.hibernate.cfg.Configuration.configure(Configuration.java:2158)
at org.hibernate.cfg.AnnotationConfiguration.configure(AnnotationConfiguration.java:212)
at org.hibernate.cfg.AnnotationConfiguration.configure(AnnotationConfiguration.java:71)
at org.hibernate.cfg.Configuration.configure(Configuration.java:2137)
at org.hibernate.cfg.AnnotationConfiguration.configure(AnnotationConfiguration.java:206)
at Eventos.Ultil.HibernateUtil.(HibernateUtil.java:10)
… 1 more
Caused by: org.xml.sax.SAXParseException: Document is invalid: no grammar found.
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl$NSContentDriver.scanRootElementHook(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at org.dom4j.io.SAXReader.read(SAXReader.java:465)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:2238)
… 9 more
Minha classe hibernate ultil:

package Eventos.Ultil;

import org.hibernate.SessionFactory;
import org.hibernate.cfg.AnnotationConfiguration;
public class HibernateUtil {

	private static SessionFactory sessionFactory;

	static {
		sessionFactory = new AnnotationConfiguration().configure()
				.buildSessionFactory();
	}
	public static SessionFactory getSessionFactory(){
		return sessionFactory;
		
	}
	public static void shutdown(){
		getSessionFactory().close();
	}

}

Meu XML

<?xml version="1.0" encoding="UTF-8"?>

<hibernate-configuration>

	<session-factory>

		<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
		<property name="connection.url">jdbc:mysql://127.0.0.1:3306/mysql</property>
		<property name="connection.username">root</property>
		<property name="connection.password"></property>
		<property name="dialect">org.hibernate.dialect.MYSQLDialect</property>
		<property name="c3p0.min_size">5</property>
		<property name="c3p0.max_size">20</property>
		<property name="c3p0.timeout">300</property>
		<property name="c3p0.max_statements">50</property>
		<property name="c3p0.idle_test_period">3000</property>
		<property name="show_sql">true</property>
		<mapping class="Eventos.classes.Produtora" />
		<mapping class="Eventos.classes.Usuarios" />



	</session-factory>

</hibernate-configuration>