Erro No identifier specified for entity

package br.com.netsoft.notafiscalservico.modelo.endereco;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Index;
import javax.persistence.SequenceGenerator;
import javax.persistence.Table;
import javax.persistence.UniqueConstraint;

import br.com.netsoft.anotacao.ExclusaoLogica;
import br.com.netsoft.modelo.NotaFiscalServicoEntity;

@Entity
@Table(name = "TB_PAIS", schema = "ENDERECOS", uniqueConstraints = { @UniqueConstraint(columnNames = { "DS_DESCRICAO" }, name = "UK_PAIS_DES") }, indexes = {
		@Index(columnList = "DS_DESCRICAO", name = "IDN_PAIS_DES"),
		@Index(columnList = "ST_REGISTRO", name = "IDN_PAIS_REGISTRO") })

public class PaisEntity extends NotaFiscalServicoEntity {

	private static final long serialVersionUID = 4072047999345381034L;

	private String descricao;

	@Id
	@Override
	@Column(name = "ID_PAIS")
	@SequenceGenerator(name = "ENDERECOS.SQ_PAIS", sequenceName = "ENDERECOS.SQ_PAIS", allocationSize = 1)
	@GeneratedValue(generator = "ENDERECOS.SQ_PAIS", strategy = GenerationType.SEQUENCE)
	public Long getId() {
		return super.getId();
	}

	@Column(name = "DS_DESCRICAO", length = 255, nullable = false)
	public String getDescricao() {
		return descricao;
	}

	public void setDescricao(String descricao) {
		this.descricao = descricao;
	}

}

public EntityManager getEntityManager() {

		EntityManagerFactory entityManagerFactory = Persistence
				.createEntityManagerFactory("nfse");

		entityManager = entityManagerFactory.createEntityManager();

		return entityManager;
	}

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1"
	xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
	<persistence-unit name="nfse">

		<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>

		<class>br.com.netsoft.notafiscalservico.modelo.endereco.PaisEntity</class>

		<properties>
			<!-- Propriedades JDBC -->
			<property name="javax.persistence.jdbc.driver" value="org.postgresql.Driver" />

			<property name="javax.persistence.jdbc.url" value="jdbc:postgresql://localhost:5432/prefeitura" />

			<property name="javax.persistence.jdbc.user" value="postgres" />
			<property name="javax.persistence.jdbc.password" value="63Netsis417" />

			<!-- Configurações específicas do Hibernate -->
			<property name="hibernate.dialect" value="org.hibernate.dialect.PostgreSQLDialect" />

			<property name="hibernate.hbm2ddl.auto" value="update" />
			<property name="hibernate.show_sql" value="true" />
			<property name="hibernate.format_sql" value="true" />
			<property name="show_sql" value="true" />
		</properties>

	</persistence-unit>
</persistence>