Nie mogę się połączyć z bazą

Cześć
Mam problem żeby dodać do bazy element, jestem początkujący a w google nic konkretnego nie znalazłem

User

@Entity
@Table(name = "user")
public class User {

    @Id
    @GeneratedValue
    @Column(name = "userId")
    private Long userId;
    @Column(name = "name")
.....getery i setry

LoginController

@Path("/")
public class LoginController {

    private final static Logger loger = Logger.getLogger(LoginController.class);

    @EJB
    User user;

    @PersistenceContext
    EntityManager em;


    @POST
    @Path("/addUser")
    public String addUser() {

        em.getTransaction().begin();
        user.setName("test");
        em.persist(user);
        em.getTransaction().commit();
        em.close();
        this.user = new User();


        return null;
    }



persistance.xml

```xml
<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" version="1.0">
<persistence-unit name="JPAService" transaction-type="RESOURCE_LOCAL">
<properties>
<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
<property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/bd" />
<property name="javax.persistence.jdbc.user" value="root" />
<property name="javax.persistence.jdbc.password" value="haslo" />
<property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect" />
<property name="hibernate.show_sql" value="true" />
<property name="hibernate.hbm2ddl.auto" value="create" />
</properties>
</persistence-unit>
</persistence>

pom
```xml
.....
 <dependencies>

        <!--log -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>

        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-api</artifactId>
            <version>7.0</version>
        </dependency>
        <dependency>
            <groupId>com.sun.jersey</groupId>
            <artifactId>jersey-server</artifactId>
            <version>1.8</version>
        </dependency>
        <dependency>
            <groupId>org.glassfish.jersey.containers</groupId>
            <artifactId>jersey-container-servlet</artifactId>
            <version>2.13</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>6.0.2</version>
        </dependency>
        <dependency>
            <groupId>javax.persistence</groupId>
            <artifactId>persistence-api</artifactId>
            <version>1.0.2</version>
        </dependency>
....