Olá,
estou com erro ao acessar <persistence-unit name=“tarefas”> criei o arquivo embaixo do diretório C:\workspace\ExemploSpring\WebContent\META-INF\persistence.xml
e parece que não está lendo …
ALguém poderia me ajudar…
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
public class GeraTabelas {
public static void main(String[] args) {
EntityManagerFactory factory = Persistence.createEntityManagerFactory("tarefas");
factory.close();
}
}
log4j:WARN No appenders could be found for logger (org.jboss.logging).
log4j:WARN Please initialize the log4j system properly.
Exception in thread "main" javax.persistence.PersistenceException: No Persistence provider for EntityManager named tarefas
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:69)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:47)
at br.com.caelum.tarefas.jpa.GeraTabelas.main(GeraTabelas.java:8)
@SuppressWarnings("deprecation")
@Entity
@Table(name="tarefas")
public class Tarefa {
@Id
@GeneratedValue
private Long id;
@NotNull
@Size(min=5,max=100)
private String descricao;
private boolean finalizado;
@Temporal(TemporalType.DATE)
private Calendar dataFinalizacao;
<persistence-unit name="tarefas">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<class>br.com.xxxxxx.tarefas.modelo.Tarefa</class>
<properties>
<!-- dados da conexao -->
<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
<property name="javax.persistence.jdbc.url" value="jdbc:mysql://127.0.0.1/agenda" />
<property name="javax.persistence.jdbc.user" value="root" />
<property name="javax.persistence.jdbc.password" value="paulo" />
<!-- SEM as propriedades URL, login, senha e driver -->
<property name="hibernate.dialect"
value="org.hibernate.dialect.MySQL5InnoDBDialect" />
<property name="hibernate.show_sql" value="true" />
<property name="hibernate.format_sql" value="true" />
<property name="hibernate.hbm2ddl.auto" value="update" />
</properties>
</persistence-unit>
</persistence>
