@Entity

@Column(name = "LOGIN")
private String login;

@Column(name = "NAME")
private String name;

@Column(name = "EMAIL")
private String email;

@Column(name = "PASSWORD")
private String password;

@Column(name = "CITY")
private String city;

@Column(name = "REGION")
private String region;

@Column(name = "BIRTHDATE")
private String birthDate;

public User() {
}

public User(String login, String name, String email, String password, String city, String region, String birthDate) {
    this.login = login;
    this.name = name;
    this.email = email;
    this.password = password;
    this.city = city;
    this.region = region;
    this.birthDate = birthDate;
}

// getters and setters

@Service("userService")

@PersistenceContext
transient EntityManager entityManager;

public String listUsers(String nome) {

@Transactional
public String createUser(Exchange exchange) {
    JSONObject userAccountJSON = (JSONObject) exchange.getIn().getHeader("jsonRequest");

    User user = new User();
    user.setLogin(userAccountJSON.getString("login"));
    user.setEmail(userAccountJSON.getString("email"));
    user.setPassword(userAccountJSON.getString("password"));
    user.setName(userAccountJSON.getString("name"));
    user.setCity(userAccountJSON.getString("city"));
    user.setRegion(userAccountJSON.getString("region"));
    user.setBirthDate(userAccountJSON.getString("birthdate"));

    EntityManagerFactory factory = Persistence.createEntityManagerFactory("service-provider");
    entityManager = factory.createEntityManager();
    entityManager.persist(user);
    entityManager.close();

    return userAccountJSON.toString();
}

<persistence 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"
         version="2.0">

<persistence-unit name="service-provider">

    <!-- provedor/implementacao do JPA -->
    <provider>org.hibernate.ejb.HibernatePersistence</provider>

    <!-- entidade mapeada -->
    <class>com.nataniel.api.domain.User</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://192.168.0.140:3306/service-provider" />
        <property name="javax.persistence.jdbc.user"
                  value="root" />
        <property name="javax.persistence.jdbc.password"
                  value="123" />

        <!--  propriedades do hibernate -->
        <property name="hibernate.dialect"
                  value="org.hibernate.dialect.MySQL5InnoDBDialect" />
        <property name="hibernate.show_sql" value="true" />
        <property name="hibernate.format_sql" value="true" />

        <!--  atualiza o banco, gera as tabelas se for preciso -->
        <property name="hibernate.hbm2ddl.auto" value="update" />

    </properties>
</persistence-unit>