java.lang.NoClassDefFoundError:org/hibernate/cfg/AnnotationConfiguration [英] java.lang.NoClassDefFoundError: org/hibernate/cfg/AnnotationConfiguration

问题描述

我已经创建了一个网络动态项目，并希望将其与 Hibernate 一起使用.

I've created a web dynamic project, and want to use Hibernate with it.

然后，我使用 Hibernate代码生成生成类代码，并创建了一个类 HibernateUtil ，在其中初始化 SessionFactory .

Then, I used the Hibernate Code Generation to generate classes code, and I created a class HibernateUtil where I initialize 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();
    }
}

和另一个类 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");
    }

}

运行项目时，出现此错误消息:

When I run my project I get this error message :

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

我该如何解决这个问题?

How can I solve this problem ?

这是我的Java构建路径:

This is my Java Build Path :

推荐答案

在Hibernate 3.6中，"org.hibernate.cfg.AnnotationConfiguration"已弃用，其所有功能已移至"org.hibernate.cfg.Configuration".因此，您可以用"Configuration"类安全地替换"AnnotationConfiguration"

In Hibernate 3.6, "org.hibernate.cfg.AnnotationConfiguration" is deprecated, and all its functionality has been moved to "org.hibernate.cfg.Configuration". So , you can safely replace your "AnnotationConfiguration" with "Configuration" class

来源: http://www.mkyong.com/hibernate/hibernate-type-annotationconfiguration-is弃用/

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