严重: Context failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactoyr' defined in ServletContext resource [/WEB-INF/classes/applicationcontext.xml]: Invocation of init method failed; nested exception is org.hibernate.AnnotationException: Property of @IdClass not found in entity com.entity.Sc: con

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1507)

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)

	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:299)

	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)

	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:295)

	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)

	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:625)

	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)

	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:493)

	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:389)

	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:294)

	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)

	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4939)

	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434)

	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(Unknown Source)

	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

	at java.lang.Thread.run(Unknown Source)

Caused by: org.hibernate.AnnotationException: Property of @IdClass not found in entity com.entity.Sc: con

	at org.hibernate.cfg.AnnotationBinder.fillComponent(AnnotationBinder.java:2390)

	at org.hibernate.cfg.AnnotationBinder.bindIdClass(AnnotationBinder.java:2503)

	at org.hibernate.cfg.AnnotationBinder.mapAsIdClass(AnnotationBinder.java:845)

	at org.hibernate.cfg.AnnotationBinder.bindClass(AnnotationBinder.java:671)

	at org.hibernate.cfg.Configuration$MetadataSourceQueue.processAnnotatedClassesQueue(Configuration.java:3537)

	at org.hibernate.cfg.Conf