当我试图在本地Derby数据库中使用Hibernate时,我总是三次收到关于错误的持久性提供程序的警告:
[WARN] HHH015016: Encountered a deprecated javax.persistence.spi.PersistenceProvider [org.hibernate.ejb.HibernatePersistence]; use [org.hibernate.jpa.HibernatePersistenceProvider] instead.
[WARN] HHH015016: Encountered a deprecated javax.persistence.spi.PersistenceProvider [org.hibernate.ejb.HibernatePersistence]; use [org.hibernate.jpa.HibernatePersistenceProvider] instead.
[WARN] HHH015016: Encountered a deprecated javax.persistence.spi.PersistenceProvider [org.hibernate.ejb.HibernatePersistence]; use [org.hibernate.jpa.HibernatePersistenceProvider] instead.
我找不到任何理由这样做,因为我的persistence.xml (是项目中唯一的persistence.xml )如下所示:
<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="performanzdb" transaction-type="RESOURCE_LOCAL">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>...</class>
<properties>
<property name="hibernate.connection.url" value="myUrl;create=true" />
<property name="hibernate.connection.driver_class" value="org.apache.derby.jdbc.EmbeddedDriver" />
<property name="hibernate.dialect" value="org.hibernate.dialect.DerbyDialect" />
<property name="hibernate.hbm2ddl.auto" value="update" />
</properties>
</persistence-unit>
</persistence>
因此,定义正确的持久性提供程序org.hibernate.jpa.HibernatePersistenceProvider
。
我可以想象到的另一个原因是,我的maven依赖项有些是错误的,但这些只是最近的entitymanager
和jpamodelgen-dependencies
。
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>4.3.7.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-jpamodelgen</artifactId>
<version>4.3.7.Final</version>
</dependency>
除了开头的警告和错误:
[ERROR] HHH015011: Unable to locate static metamodel field : package.class_#field
Hibernate不时地出现在新定义的字段中,运行良好,并且所有的东西都按它应该的方式写入数据库。
有人知道为什么使用错误的PersistenceProvider
或为什么会发生此错误吗?
发布于 2014-12-06 13:36:04
https://stackoverflow.com/questions/27332066
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