最近在作项目中, hibernate 物理删除 delete 方法的时候, 爆了诡异的错误,java
好比 mysql
org.springframework.dao.DataIntegrityViolationException: Could not execute JDBC batch update; SQL [update gwqmshop_goods_package_detail set goods_package_id=null where goods_package_id=?]; constraint [null]; nested exception is
总之就是 删除的时候,爆了 其余表的 update 错误。web
一时之间懵逼了。 请教同事 说多是 hibernate的级联 或者关联 其余表的错误。spring
随时可使用逻辑删除规避这个错误, 可是 总是感受有点不服,难度真的是 hibernate的BUG ?sql
或者为何?apache
好比 删除表 ShopCartPackage , 对象里面 关联了 GoodsPackageDetail 如下是关联的地方。 /** * 商品明细 */ @OneToMany(fetch = FetchType.LAZY, cascade = {}) @JoinColumn(name="goods_package_id", referencedColumnName="goods_package_id") @OrderBy("goodsThickness asc,goodsWidth asc") private List<GoodsPackageDetail> packageDetails; 报错也是 要 updae GoodsPackageDetail 表报错 但是为何? 我记得 以前 写代码的时候 管理 明细表的时候,主表是能够直接删除的啊!
因而想办法 从新这个问题tomcat
有主表 GoodsPackage 和 关联的明细表 GoodsPackageDetail websocket
正常他们的关联是这些写的mvc
主表是这样 @OneToMany(mappedBy="goodsPackage",fetch=FetchType.LAZY) @OrderBy("goodsThickness asc,goodsWidth asc") private List<GoodsPackageDetail> details; 明细对象 里面是这样 @ManyToOne(fetch=FetchType.LAZY) @JoinColumn(name="goods_package_id",updatable=false,nullable=false) private GoodsPackage goodsPackage; 这样的写法,我测试的时候, 直接删除 主表 goodsPackage 是没有问题的。删除主表的时候,同时对应明细表GoodsPackageDetail 数据 并无一块儿删除
因而我 参考 ,换一种写法 ,去删除测试app
主表: @OneToMany(fetch = FetchType.LAZY) @JoinColumn(name = "goods_package_id", referencedColumnName = "id") @OrderBy("goodsThickness asc,goodsWidth asc") private List<GoodsPackageDetail> details; 明细表仍是同样: @ManyToOne(fetch=FetchType.LAZY) @JoinColumn(name="goods_package_id",updatable=false,nullable=false) private GoodsPackage goodsPackage; 此时删除主表就报错了,从新了问题了 org.springframework.dao.DataIntegrityViolationException: Could not execute JDBC batch update; SQL [update gwqmshop_goods_package_detail set goods_package_id=null where goods_package_id=?]; constraint [null]; nested exception is org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update at org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:643) at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:103) at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:518) at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:755) at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:724) at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:475) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:270) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:94) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:633) at com.gwqm.platform.goods.service.impl.GoodsPackageServiceImpl$$EnhancerBySpringCGLIB$$6dea54a.deleteDo(<generated>) at com.gwqm.ctrl.seller.action.goods.GoodsPackageSellerAction.delete(GoodsPackageSellerAction.java:387) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:440) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:428) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:933) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:867) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:951) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:853) at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:827) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176) at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145) at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92) at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:394) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.gwqm.base.filter.PageCacheFiler.doFilter(PageCacheFiler.java:72) at net.sf.ehcache.constructs.web.filter.Filter.doFilter(Filter.java:86) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.gwqm.base.filter.SecondDomainFilter.doFilter(SecondDomainFilter.java:59) at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343) at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:378) at org.springframework.security.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109) at org.springframework.security.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83) at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109) at org.springframework.security.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83) at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.ui.SessionFixationProtectionFilter.doFilterHttp(SessionFixationProtectionFilter.java:67) at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) at com.gwqm.base.security.support.ShopSecurityExceptionFilter.doFilterHttp(ShopSecurityExceptionFilter.java:88) at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.ui.ExceptionTranslationFilter.doFilterHttp(ExceptionTranslationFilter.java:101) at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.wrapper.SecurityContextHolderAwareRequestFilter.doFilterHttp(SecurityContextHolderAwareRequestFilter.java:91) at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.ui.AbstractProcessingFilter.doFilterHttp(AbstractProcessingFilter.java:277) at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.ui.logout.LogoutFilter.doFilterHttp(LogoutFilter.java:89) at com.gwqm.base.filter.NorLogoutFilter.doFilterHttp(NorLogoutFilter.java:76) at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.context.HttpSessionContextIntegrationFilter.doFilterHttp(HttpSessionContextIntegrationFilter.java:235) at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.concurrent.ConcurrentSessionFilter.doFilterHttp(ConcurrentSessionFilter.java:99) at org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53) at org.springframework.security.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:390) at org.springframework.security.util.FilterChainProxy.doFilter(FilterChainProxy.java:175) at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343) at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:180) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.gwqm.base.filter.XSSFilter.doFilter(XSSFilter.java:80) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.gwqm.base.filter.PageUrlFilter.doFilter(PageUrlFilter.java:67) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1457) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:94) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66) at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:275) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:266) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:169) at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1027) at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:365) at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:137) at org.hibernate.ejb.TransactionImpl.commit(TransactionImpl.java:54) at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:514) ... 111 more Caused by: java.sql.BatchUpdateException: Column 'goods_package_id' cannot be null at com.mysql.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:2054) at com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:1467) at com.p6spy.engine.wrapper.StatementWrapper.executeBatch(StatementWrapper.java:98) at org.apache.commons.dbcp.DelegatingStatement.executeBatch(DelegatingStatement.java:294) at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:70) at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:268) ... 120 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Column 'goods_package_id' cannot be null at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) at com.mysql.jdbc.Util.getInstance(Util.java:386) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1040) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4120) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4052) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2503) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2664) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2794) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2458) at com.mysql.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:2006) ... 125 more
也就是 少了 mappedBy
mappedBy用于指定具备双向关系的两个实体中哪一个实体是被关联处理的,使用mappedBy的一方确定是被控方。它有以下四个特色:
一、只有OneToOne、OneToMany、ManyToMany上才有mappedBy属性,ManyToOne不存在该属性。
二、@OneToMany(mapped=“由One的一方指向Many的一方,而且,这个属性应该等于Many的一方中含有One类的属性的对象名,不然会出错”),即主控方中定义的被控方的对象名。
三、关系的主控方(即Many的一方)负责关系的维护,在主控方用到@JoinColumn创建外键。
四、mappedBy与JoinColumn/JoinTable老是处于互斥的一方。
以上不难理解就是 没有 mappedBy 时候, 删除 主表的时候 goodsPackage ,
hibernate会 去解除 明细表 和GoodsPackageDetail 的 关联关系。
那么怎么解除呢,也就是 更新 明细表 GoodsPackageDetail 里面 对应的 主表 字段内容为 null 便可
也就是 会 发SQL update : update gwqmshop_goods_package_detail set goods_package_id=null where goods_package_id=?
可是 在明细表 GoodsPackageDetail ,这里指定了 主表的关联字段不能为空且不能更新 : nullable=false, updatable=false
@ManyToOne(fetch=FetchType.LAZY)
@JoinColumn(name="goods_package_id",updatable=false,nullable=false)
private GoodsPackage goodsPackage;
就算 最终配置了 updatable = true, nullable = true
仍是会爆同样的错误, 由于最终的 更新 where goods_package_id=? 值是null , 取不到 主表的值的。
为何取不到 也许是 hibernate 的级联 cascade 问题, 字段属性: cascade ,默认是{} 的,并无设置值, 这里就不深究了。
也许是写法有那些没有按照 hibernate的规范来吧
所以最终就说 Column 'goods_package_id' cannot be null
也就是 为了防止 出现 删除的状况,并且 hibernate 的 关联关系的难理解。
最好不要 物理删除。使用逻辑删除了。 或者使用 mappedBy 指定 关系的维护方。