JSP 页面保存操作报错： org.springframework.dao.InvalidDataAccessApiUsageException: The given object has a nu

HTTP Status 500 -

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type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.springframework.dao.InvalidDataAccessApiUsageException: The given object has a null identifier: com.snack.model.LeaveWord; nested exception is org.hibernate.TransientObjectException: The given object has a null identifier: com.snack.model.LeaveWordorg.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:636)org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:412)org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:424)org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:374)org.springframework.orm.hibernate3.HibernateTemplate.update(HibernateTemplate.java:712)org.springframework.orm.hibernate3.HibernateTemplate.update(HibernateTemplate.java:708)com.snack.dao.impl.LeaveWordDaoImpl.update(LeaveWordDaoImpl.java:55)com.snack.service.impl.LeaveWordServiceImpl.update(LeaveWordServiceImpl.java:35)com.snack.action.LeaveWordAction.update(LeaveWordAction.java:142)sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)java.lang.reflect.Method.invoke(Method.java:597)com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:453)com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:292)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:255)org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265)org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:211)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:211)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:190)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:90)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:176)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:192)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54)org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:510)org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)com.snack.filter.MyStrutsFilter.doFilter(MyStrutsFilter.java:22)org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)

root cause

org.hibernate.TransientObjectException: The given object has a null identifier: com.snack.model.LeaveWordorg.hibernate.event.def.DefaultSaveOrUpdateEventListener.getUpdateId(DefaultSaveOrUpdateEventListener.java:249)org.hibernate.event.def.DefaultUpdateEventListener.getUpdateId(DefaultUpdateEventListener.java:46)org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsDetached(DefaultSaveOrUpdateEventListener.java:217)org.hibernate.event.def.DefaultUpdateEventListener.performSaveOrUpdate(DefaultUpdateEventListener.java:33)org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)org.hibernate.impl.SessionImpl.fireUpdate(SessionImpl.java:564)org.hibernate.impl.SessionImpl.update(SessionImpl.java:552)org.hibernate.impl.SessionImpl.update(SessionImpl.java:544)org.springframework.orm.hibernate3.HibernateTemplate$14.doInHibernate(HibernateTemplate.java:715)org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:419)org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:374)org.springframework.orm.hibernate3.HibernateTemplate.update(HibernateTemplate.java:712)org.springframework.orm.hibernate3.HibernateTemplate.update(HibernateTemplate.java:708)com.snack.dao.impl.LeaveWordDaoImpl.update(LeaveWordDaoImpl.java:55)com.snack.service.impl.LeaveWordServiceImpl.update(LeaveWordServiceImpl.java:35)com.snack.action.LeaveWordAction.update(LeaveWordAction.java:142)sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)java.lang.reflect.Method.invoke(Method.java:597)com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:453)com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:292)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:255)org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265)org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:211)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:211)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:190)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:90)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:176)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:192)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54)org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:510)org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)com.snack.filter.MyStrutsFilter.doFilter(MyStrutsFilter.java:22)org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.13 logs.

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Apache Tomcat/6.0.13

缺少主键引起的

解决办法：

在JSP页面加入主键 <s:hidden name="***.id" ></s:hidden>