Caused by: java.lang.NoSuchMethodError: org.hibernate.annotations.common.reflection.java.JavaReflectionManager.setMetadataProvider(Lorg/hibernate/annotations/common/reflection/MetadataProvider;)V
at org.hibernate.boot.internal.MetadataBuilderImpl$MetadataBuildingOptionsImpl.generateDefaultReflectionManager(MetadataBuilderImpl.java:736)
at org.hibernate.boot.internal.MetadataBuilderImpl$MetadataBuildingOptionsImpl.<init>(MetadataBuilderImpl.java:709)
at org.hibernate.boot.internal.MetadataBuilderImpl.<init>(MetadataBuilderImpl.java:127)
at org.hibernate.boot.MetadataSources.getMetadataBuilder(MetadataSources.java:135)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:655)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:724)
at org.springframework.orm.hibernate5.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:416)
at org.springframework.orm.hibernate5.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:401)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1633)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1570)
... 31 more

报错原因：在Eclipse环境下，不能同时存在（Hibernate-commons-annotations、hibernate-validator）；
解决方案：去掉hibernate-validator