错误：不推荐使用PersistenceProvider，请使用HibernatePersistenceProvider而不是HibernatePersistence [英] Error: Deprecated PersistenceProvider, use HibernatePersistenceProvider instead of HibernatePersistence

问题描述

我认为对于像我这样的初学者来说，这是一个非常普遍的问题。但我找不到解决方案。
$ b 文件persistence.xml位于src / META-INF / persistence.xml中。

 <？xml version =1.0encoding =UTF-8？> 
< 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 =jobs> 
 
<！ -  provenor / implement所做的JPA  - > 
< provider> org.hibernate.ejb.HibernatePersistenceProvider< / provider> 
 
 <！ -  entidade mapeada  - > 
< class> 
 br.com.caelum.tarefas.modelo.Job 
< / class> 
 
<属性> 
 <！ -  dados da conexao  - > 
< property name =javax.persistence.jdbc.drivervalue =com.mysql.jdbc.Driver/> 
< property name =javax.persistence.jdbc.urlvalue =jdbc：mysql：// localhost / fj21/> 
< property name =javax.persistence.jdbc.uservalue =root/> 
< property name =javax.persistence.jdbc.passwordvalue =root/> 
 
 <！ -   -  propriedades do hibernate  - > 
< property name =hibernate.dialectvalue =org.hibernate.dialect.MySQL5InnoDBDialect/> 
< property name =hibernate.show_sqlvalue =true/> 
< property name =hibernate.format_sqlvalue =true/> 
 
 <！ -  atualiza o banco，gera as tabelas se for preciso  - > 
< property name =hibernate.hbm2ddl.autovalue =update/> 
 
< / properties> 
< / persistence-unit> 
  

当我运行代码

  try 
 {
 EntityManagerFactory factory = Persistence.createEntityManagerFactory（tarefas）; 
 EntityManager manager = factory.createEntityManager（）; 
 
 manager.close（）; 
 factory.close（）; 
 System.out.println（Execuçãocom sucesso！）; 
} catch（Exception _Ex）
 {
 System.out.println（Erro：+ _Ex.getMessage（））; 
} 
  

我收到消息

  27/03/2014 11:35:18 org.hibernate.ejb.HibernatePersistence logDeprecation WARN：HHH015016：遇到不推荐使用的javax.persistence.spi.PersistenceProvider [org.hibernate.ejb .HibernatePersistence];改为使用[org.hibernate.jpa.HibernatePersistenceProvider]。 
 27/03/2014 11:35:18 org.hibernate.ejb.HibernatePersistence logDeprecation WARN：HHH015016：遇到不推荐使用的javax.persistence.spi.PersistenceProvider [org.hibernate.ejb.HibernatePersistence];改为使用[org.hibernate.jpa.HibernatePersistenceProvider]。 
 27/03/2014 11:35:18 org.hibernate.ejb.HibernatePersistence logDeprecation WARN：HHH015016：遇到不推荐使用的javax.persistence.spi.PersistenceProvider [org.hibernate.ejb.HibernatePersistence];改为使用[org.hibernate.jpa.HibernatePersistenceProvider]。 
 Erro：没有EntityManager命名作业的持久性提供者
  

我做错了什么？

解决方案

问题出自persistence.xml文件的这一行：

<！ - proveor / implement件可执行JPA - >
< provider> org.hibernate.ejb.HibernatePersistenceProvider< / provider>


应改为

 <！ -  proveor / implement件可执行JPA  - > 
< provider> org.hibernate.jpa.HibernatePersistenceProvider< / provider> 
  

即使在persistence.xml中缺少provider标签时，由于Hibernate bug，Hibernate将使用旧ejb提供者实现，然后它会抱怨那个（精神分裂症）

I think this is a very common problem for all beginners like me. But I could not find a solution. Yet.

File persistence.xml is in src/META-INF/persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
    <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="jobs">

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

    <!-- entidade mapeada -->
    <class>
        br.com.caelum.tarefas.modelo.Job
    </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://localhost/fj21" />
        <property name="javax.persistence.jdbc.user" value="root" />
        <property name="javax.persistence.jdbc.password" value="root" />

        <!-- 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>

When I run the code

try
{
    EntityManagerFactory factory = Persistence.createEntityManagerFactory("tarefas");
    EntityManager manager = factory.createEntityManager();

    manager.close();
    factory.close();
    System.out.println("Execução com sucesso!");
}catch(Exception _Ex)
{
    System.out.println("Erro: " + _Ex.getMessage());
}

I get the message

27/03/2014 11:35:18 org.hibernate.ejb.HibernatePersistence logDeprecation WARN: HHH015016: Encountered a deprecated javax.persistence.spi.PersistenceProvider [org.hibernate.ejb.HibernatePersistence]; use [org.hibernate.jpa.HibernatePersistenceProvider] instead.
27/03/2014 11:35:18 org.hibernate.ejb.HibernatePersistence logDeprecation WARN: HHH015016: Encountered a deprecated javax.persistence.spi.PersistenceProvider [org.hibernate.ejb.HibernatePersistence]; use [org.hibernate.jpa.HibernatePersistenceProvider] instead.
27/03/2014 11:35:18 org.hibernate.ejb.HibernatePersistence logDeprecation WARN: HHH015016: Encountered a deprecated javax.persistence.spi.PersistenceProvider [org.hibernate.ejb.HibernatePersistence]; use [org.hibernate.jpa.HibernatePersistenceProvider] instead.
Erro: No Persistence provider for EntityManager named jobs

What I'm doing wrong?

解决方案

The problem is in this line from persistence.xml file:

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

It should be changed to

<!-- provedor/implementacao do JPA -->
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>

Even when provider tag is missing in persistence.xml, because of Hibernate bug, Hibernate will use the old ejb provider implementation, and then it will complain about that (schizophrenia)

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