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[英]java.lang.NoClassDefFoundError: Could not initialize class org.hibernate.cfg.AnnotationConfiguration
[英]java.lang.NoClassDefFoundError: org/hibernate/cfg/AnnotationConfiguration
我已經創建了一個Web動態項目,並希望使用Hibernate
。
然后,我使用Hibernate Code Generation
來生成類代碼,並創建了一個HibernateUtil
類,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();
}
}
另一個類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");
}
}
當我運行我的項目時,我收到此錯誤消息:
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
我怎么解決這個問題 ?
這是我的Java構建路徑:
在Hibernate 3.6中,不推薦使用“org.hibernate.cfg.AnnotationConfiguration”,並且其所有功能都已移至“org.hibernate.cfg.Configuration”。 因此,您可以安全地將“AnnotationConfiguration”替換為“Configuration”類
來源: http : //www.mkyong.com/hibernate/hibernate-the-type-annotationconfiguration-is-deprecated/
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