javax.die Persistenz.PersistenceException - JPA+Hibernate

Ich bin neu JPA, als ich versuchte, führen Sie den folgenden code, es zeigt Fehlermeldung wie "cvc-elt.1: Cannot find the declaration of element 'Persistenz'."

Kann ich nicht in der Lage diesen Fehler zu beheben, könnte u pls mir helfen, dieses Problem zu lösen.

Cheers

Rajesh

Persistance.xml

<?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="jpa" transaction-type="JTA">

        <provider>org.hibernate.ejb.HibernatePersistence</provider>

        <class>com.optirisk.pojo.Department</class>
        <class>com.optirisk.pojo.Employee</class>

        <properties>
            <property name="hibernate.show_sql" value="true" />
            <property name="hibernate.format_sql" value="true" />
            <property name="hibernate.connection.username" value="NewsLetter1" />
            <property name="hibernate.connection.password" value="optiindia2012" />
            <property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/orpss_hibernate_prototype" />
            <property name="hibernate.connection.driver_class" value="com.mysql.jdbc.Driver" />
            <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLInnoDBDialect" />
        </properties>

    </persistence-unit>
</persistence>

Application.java

public class Application {

    private static final String PERSISTENCE_UNIT_NAME = "jpa";
    private static EntityManagerFactory entityManagerFactory;

    public static void main(String[] args) throws Exception {

        entityManagerFactory = Persistence.createEntityManagerFactory(PERSISTENCE_UNIT_NAME);

        EntityManager entityManager = entityManagerFactory.createEntityManager();
        entityManager.getTransaction().begin();

        Department department = new Department();
        department.setDeptName("IT");
        entityManager.persist(department);

        Employee emp1 = new Employee("Peter", "ROB", "454565");
        Employee emp2 = new Employee("Mathew", "Anderson", "222");

        emp1.setDepartment(department);
        emp2.setDepartment(department);

        entityManager.persist(emp1);
        entityManager.persist(emp2);

        entityManager.getTransaction().commit();
        entityManager.close();

    }

}

Fehler:

Exception in thread "main" javax.persistence.PersistenceException: Invalid persistence.xml.
Error parsing XML (line-1 : column -1): cvc-elt.1: Cannot find the declaration of element 'persistence'.
    at org.hibernate.ejb.packaging.PersistenceXmlLoader.loadURL(PersistenceXmlLoader.java:147)
    at org.hibernate.ejb.packaging.PersistenceXmlLoader.deploy(PersistenceXmlLoader.java:171)
    at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:325)
    at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:58)
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:52)
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:34)
    at com.jishraa.jpa.Application.main(Application.java:19)

InformationsquelleAutor Rajesh | 2013-11-24

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