a different object with the same identifier value was already associated with the session

最新推荐文章于 2023-07-26 10:38:43 发布
最新推荐文章于 2023-07-26 10:38:43 发布
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在用saveOrUpdate保存时报错：

org.springframework.orm.hibernate3.HibernateSystemException: a different object with the same identifier value was already associated with the session: [com.ultra.uflow.extend.pmo.model.JdAssetsApplySon1#402898e778d836c70178d887267a0001]; nested exception is org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [com.ultra.uflow.extend.pmo.model.JdAssetsApplySon1#402898e778d836c70178d887267a0001]
	at org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:679)
	at org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:412)
	at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:411)
	at org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:374)
	at org.springframework.orm.hibernate3.HibernateTemplate.saveOrUpdate(HibernateTemplate.java:737)
	at com.ultra.uflow.extend.pmo.dao.JdAssetsApplyDao.saveJdAssetsApply(JdAssetsApplyDao.java:348)
	at com.ultra.uflow.extend.pmo.service.JdAssetsApplyService.saveJdAssetsApply(JdAssetsApplyService.java:183)
	at com.ultra.uflow.extend.pmo.service.JdAssetsApplyService$$FastClassByCGLIB$$d4fc6353.invoke(<generated>)
	at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
	at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:692)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
	at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:625)
	at com.ultra.uflow.extend.pmo.service.JdAssetsApplyService$$EnhancerByCGLIB$$91649ec9.saveJdAssetsApply(<generated>)
	at com.ultra.uflow.extend.pmo.defaultValue.jdAssetsApplySon1.saveValue(jdAssetsApplySon1.java:177)
	at com.ultra.uflow.model.form.ProcessSheetBo.dealComData(ProcessSheetBo.java:430)
	at com.ultra.uflow.model.form.ProcessSheetBo.dealUnExtData(ProcessSheetBo.java:311)
	at com.ultra.uflow.model.form.ProcessFormBo.setFormData(ProcessFormBo.java:357)
	at com.ultra.uflow.model.form.ProcessFormBo.saveProcessFormData(ProcessFormBo.java:324)
	at com.ultra.uflow.core.form.service.FormDataService.saveProcessForm(FormDataService.java:594)
	at com.ultra.uflow.core.form.service.FormDataService$$FastClassByCGLIB$$48f51db9.invoke(<generated>)
	at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
	at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:692)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
	at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:625)
	at com.ultra.uflow.core.form.service.FormDataService$$EnhancerByCGLIB$$d0d4d2ab.saveProcessForm(<generated>)
	at com.ultra.uflow.core.process.service.ProcessService.save(ProcessService.java:1570)
	at com.ultra.uflow.core.process.service.ProcessService.save(ProcessService.java:1595)
	at com.ultra.uflow.core.process.service.ProcessService.handle(ProcessService.java:906)
	at com.ultra.uflow.core.process.service.ProcessService.handle(ProcessService.java:939)
	at com.ultra.uflow.core.process.service.ProcessService$$FastClassByCGLIB$$552330d3.invoke(<generated>)
	at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
	at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:692)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
	at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:625)
	at com.ultra.uflow.core.process.service.ProcessService$$EnhancerByCGLIB$$11f8d349.handle(<generated>)
	at com.ultra.uflow.core.process.controller.ProcessController.handle(ProcessController.java:765)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:174)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:421)
	at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:409)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:771)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.ultra.uflow.common.filter.UnionPASMFilter.doFilter(UnionPASMFilter.java:44)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:265)
	at org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
	at org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
	at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
	at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:229)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
	at com.ultrapower.pasm.integration.sso.core.CommonProcessingFilter.doFilter(CommonProcessingFilter.java:81)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
	at org.acegisecurity.ui.logout.LogoutFilter.doFilter(LogoutFilter.java:106)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
	at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:286)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
	at org.acegisecurity.securechannel.ChannelProcessingFilter.doFilter(ChannelProcessingFilter.java:138)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
	at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:149)
	at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.ultrapower.accredit.common.P3PURLFilter.doFilter(P3PURLFilter.java:88)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.jasig.cas.client.session.SingleSignOutFilter.doFilter(SingleSignOutFilter.java:99)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.ultrapower.accredit.common.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:36)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
	at java.lang.Thread.run(Thread.java:619)
Caused by: org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [com.ultra.uflow.extend.pmo.model.JdAssetsApplySon1#402898e778d836c70178d887267a0001]
	at org.hibernate.engine.StatefulPersistenceContext.checkUniqueness(StatefulPersistenceContext.java:637)
	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performUpdate(DefaultSaveOrUpdateEventListener.java:305)
	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsDetached(DefaultSaveOrUpdateEventListener.java:246)
	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:112)
	at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
	at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:677)
	at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:669)
	at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:665)
	at org.springframework.orm.hibernate3.HibernateTemplate$16.doInHibernate(HibernateTemplate.java:740)
	at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:406)
	... 108 more

解决办法：merge();

procal = this.getHibernateTemplate().merge(procal);
this.getHibernateTemplate().saveOrUpdate(procal);

如果是在保存对象的时候，如果对象有外键，则在保存的时候，要根据外键来获取数据库所对应的记录的对象，之后再set入要保存的的对象中，如果是直接new一个外键的对象（外键的值在数据库有对应的值）再set入保存的对象中的时候，就会报错：Exception in thread "main" org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session:，这个是因为，在保存的时候，session会检查在内存的外简单的对象跟你new的对象是否一样（不是根据对象的值，而是根据在内存的地址是否一致来比较的），所以new出来的对象是无法跟内存里面的对象一致的，因而，会说不同的对象有一样的id，所以保存数据库的时候就直接根据外键来获取对应的数据库记录来保存对象，所以这个时候用merge方法还是解决不了问题的

-----------------------------------------------------------------------------------------------------

解释引用来源：

https://blog.youkuaiyun.com/u012230055/article/details/40423903

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