Erro ao persistir

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
	
	<persistence-unit name="database_pu">
		
		<class>br.com.senac.modelo.Caminhao</class>
		<class>br.com.senac.modelo.Carro</class>
		<class>br.com.senac.modelo.Marca</class>
		<class>br.com.senac.modelo.Modelo</class>
		<class>br.com.senac.modelo.Moto</class>
		<class>br.com.senac.modelo.Veiculo</class>
		
		<properties>
			<property name="hibernate.dialect" value="org.hibernate.dialect.PostgreSQLDialect"/>
			<property name="hibernate.connection.url" value="jdbc:postgresql://localhost/senauto2410_database"/>
			<property name="hibernate.connection.driver_class" value="org.postgresql.Driver"/>
			<property name="hibernate.connection.password" value="postgres"/>
			<property name="hibernate.connection.username" value="postgres"/>
			<property name="hibernate.hbm2ddl.auto" value="update"/>
			
			<property name="hibernate.show_sql" value="true"/>
		</properties>
	</persistence-unit>
	
</persistence>