java.lang.NoSuchMethodError: javax.persistence.OneToMany.orphanRemoval()Z
的解决方式 Caused by: java.lang.NoSuchMethodError: javax.persistence.OneToMany.orphanRemoval()Z at org.hibernate.cfg.AnnotationBinder.processElementAnnotations(AnnotationBinder.java:1830) at org.hibernate.cfg.AnnotationBinder.processIdPropertiesIfNotAlready(AnnotationBinder.java:762) at org.hibernate.cfg.AnnotationBinder.bindClass(AnnotationBinder.java:726) at org.hibernate.cfg.AnnotationConfiguration.processArtifactsOfType(AnnotationConfiguration.java:636) at org.hibernate.cfg.AnnotationConfiguration.secondPassCompile(AnnotationConfiguration.java:359) at org.hibernate.cfg.Configuration.buildMappings(Configuration.java:1206) at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:673) at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:211) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1369) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1335) ... 71 more 查了很多资料，说什么的都有，但是自己解决办法是：1.删除对Java EE 5 Libraries中persitence的使用。(javaee.jar中的部分类与hibernate-jpa-2.0-api-1.0.0.Final.jar存在版本冲突.[或下载新版本javaee.jar] 或 用RAR打开javaee.jar,删除javax下的persitence目录 )