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我已经使用JPA 2.0支持创建了OSGI bundle项目。我使用OpenJpa作为JPA提供程序。当我运行包时,我无法创建OpenJPAEntityManagerFactory。请罚款我用来创建OpenJPAEntityManagerFactory的代码。无法创建OpenJPAEntityManagerFactory
OpenJPAEntityManagerFactory emf = OpenJPAPersistence.createEntityManagerFactory(
"StudentServiceProvider",
"META-INF/persistence.xml");
的persistence.xml
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0"
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">
<persistence-unit name="StudentServiceProvider">
<provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provider>
<class>com.student.serviceprovider.model.Student</class>
<exclude-unlisted-classes>false</exclude-unlisted-classes>
<properties>
<property name="openjpa.ConnectionURL" value="jdbc:mysql://localhost:3306/NYL" />
<property name="openjpa.ConnectionDriverName" value="com.mysql.jdbc.Driver" />
<property name="openjpa.ConnectionUserName" value="root" />
<property name="openjpa.ConnectionPassword" value="root" />
<property name="openjpa.Log" value="DefaultLevel=WARN, Tool=INFO" />
<property name="openjpa.RuntimeUnenhancedClasses" value="supported" />
<property name="openjpa.Log" value="DefaultLevel=WARN, Tool=INFO" />
<!-- To avoid foreign key issues -->
<property name="openjpa.jdbc.SchemaFactory" value="native(ForeignKeys=true)" />
<!-- Auto create tables -->
<property name="jdbc.SynchronizeMappings" value="buildSchema(ForeignKeys=true)" />
</properties>
</persistence-unit>
</persistence>
在src文件夹我有META-INF和我创建persistence.xml中与在该(META-INF/persistennce.xml)。
请让我知道解决这个问题。
不过,我有同样的问题。我使用OPenJpa创建了JPA项目(不是捆绑包),并且使用相同的配置工作正常。当我创建捆绑包时,我正面临着这个问题。请anybode帮助我找出问题 – 2013-03-07 06:17:03