[英]java.lang.NoClassDefFoundError: org/hibernate/cfg/AnnotationConfiguration
I've created a web dynamic project, and want to use Hibernate
with it. 我已经创建了一个Web动态项目,并希望使用
Hibernate
。
Then, I used the Hibernate Code Generation
to generate classes code, and I created a class HibernateUtil
where I initialize SessionFactory
. 然后,我使用
Hibernate Code Generation
来生成类代码,并创建了一个HibernateUtil
类,我在其中初始化SessionFactory
。
public class HibernateUtil {
private static final SessionFactory sessionFactory = buildSessionFactory();
private static SessionFactory buildSessionFactory(){
try{
SessionFactory sessionFactory =
new AnnotationConfiguration().configure().buildSessionFactory();
return sessionFactory;
}catch(Exception ex){
ex.printStackTrace();
throw new ExceptionInInitializerError(ex);
}
}
public static SessionFactory getSessionFactory() {
return sessionFactory;
}
public static void shutdown() {
getSessionFactory().close();
}
}
And another class HibernateSessionFactoryListener
: 另一个类
HibernateSessionFactoryListener
:
public class HibernateSessionFactoryListener implements ServletContextListener{
@Override
public void contextInitialized(ServletContextEvent arg0) {
Session session = HibernateUtil.getSessionFactory().openSession();
System.out.println("\n Context Initilaise \n");
}
@Override
public void contextDestroyed(ServletContextEvent arg0) {
HibernateUtil.shutdown();
System.out.println("\n Context Detruit \n");
}
}
When I run my project I get this error message : 当我运行我的项目时,我收到此错误消息:
java.lang.NoClassDefFoundError: org/hibernate/cfg/AnnotationConfiguration
at com.hibernate.HibernateUtil.buildSessionFactory(HibernateUtil.java:28)
at com.hibernate.HibernateUtil.<clinit>(HibernateUtil.java:11)
at com.hibernate.HibernateSessionFactoryListener.contextInitialized(HibernateSessionFactoryListener.java:12)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4973)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5467)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Caused by: java.lang.ClassNotFoundException: org.hibernate.cfg.AnnotationConfiguration
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1718)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1569)
... 12 more
How can I solve this problem ? 我怎么解决这个问题 ?
This is my Java Build Path : 这是我的Java构建路径:
In Hibernate 3.6, “org.hibernate.cfg.AnnotationConfiguration” is deprecated, and all its functionality has been moved to “org.hibernate.cfg.Configuration“. 在Hibernate 3.6中,不推荐使用“org.hibernate.cfg.AnnotationConfiguration”,并且其所有功能都已移至“org.hibernate.cfg.Configuration”。 So , you can safely replace your “AnnotationConfiguration” with “Configuration” class
因此,您可以安全地将“AnnotationConfiguration”替换为“Configuration”类
Source: http://www.mkyong.com/hibernate/hibernate-the-type-annotationconfiguration-is-deprecated/ 来源: http : //www.mkyong.com/hibernate/hibernate-the-type-annotationconfiguration-is-deprecated/
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