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Author Message
virtual.havoc
 Post subject: Saving object causes PropertyValueException
PostPosted: Mon Jan 18, 2010 5:14 pm 
Newbie

Joined: Mon Jan 18, 2010 4:32 pm
Posts: 1
Hibernate version: 3.3.1.GA
Spring 3.0

Hey guys,

I'm a student trying to create a web application for my coursework, but when saving the project object I keep getting:

Error
Code:
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.dao.DataIntegrityViolationException: not-null property references a null or transient value: com.vaannila.domain.Project._projectsBackref; nested exception is org.hibernate.PropertyValueException: not-null property references a null or transient value: com.vaannila.domain.Project._projectsBackref
   org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:659)
   org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:563)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:344)
   org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:110)
   org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:98)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:95)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:79)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:55)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:36)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:178)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:188)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:106)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:80)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:150)
   org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
   org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)

root cause

org.springframework.dao.DataIntegrityViolationException: not-null property references a null or transient value: com.vaannila.domain.Project._projectsBackref; nested exception is org.hibernate.PropertyValueException: not-null property references a null or transient value: com.vaannila.domain.Project._projectsBackref
   org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:648)
   org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:412)
   org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:411)
   org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:374)
   org.springframework.orm.hibernate3.HibernateTemplate.saveOrUpdate(HibernateTemplate.java:737)
   com.vaannila.service.ProjectDAOImpl.save(ProjectDAOImpl.java:33)
   com.vaannila.web.ProjectController.onSubmit(ProjectController.java:52)
   sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
   sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
   java.lang.reflect.Method.invoke(Unknown Source)
   org.springframework.web.bind.annotation.support.HandlerMethodInvoker.doInvokeMethod(HandlerMethodInvoker.java:710)
   org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:167)
   org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:414)
   org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:402)
   org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:771)
   org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716)
   org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:647)
   org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:563)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:344)
   org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:110)
   org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:98)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:95)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:79)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:55)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:36)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:178)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:188)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:106)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:80)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:150)
   org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
   org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)

root cause

org.hibernate.PropertyValueException: not-null property references a null or transient value: com.vaannila.domain.Project._projectsBackref
   org.hibernate.engine.Nullability.checkNullability(Nullability.java:72)
   org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:290)
   org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181)
   org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107)
   org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187)
   org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172)
   org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:94)
   org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
   org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:508)
   org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:500)
   org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:496)
   org.springframework.orm.hibernate3.HibernateTemplate$16.doInHibernate(HibernateTemplate.java:740)
   org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:406)
   org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:374)
   org.springframework.orm.hibernate3.HibernateTemplate.saveOrUpdate(HibernateTemplate.java:737)
   com.vaannila.service.ProjectDAOImpl.save(ProjectDAOImpl.java:33)
   com.vaannila.web.ProjectController.onSubmit(ProjectController.java:52)
   sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
   sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
   java.lang.reflect.Method.invoke(Unknown Source)
   org.springframework.web.bind.annotation.support.HandlerMethodInvoker.doInvokeMethod(HandlerMethodInvoker.java:710)
   org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:167)
   org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:414)
   org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:402)
   org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:771)
   org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716)
   org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:647)
   org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:563)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:344)
   org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:110)
   org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:98)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:95)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:79)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:55)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:36)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:178)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:188)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:106)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:80)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
   org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:150)
   org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
   org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)


This only started happing when I joined the project and user tables below:

Project
Code:
@Entity
public class Project extends NamedEntity{

   @Column
    private String description;
   
   @Column
    private Date startDate;
   
   @Column
    private Date endDate;
   
   @Column
    private Date expectedEndDate;
   
   @Column
    private boolean active;
   
    @ManyToMany(cascade = {CascadeType.PERSIST, CascadeType.MERGE})
    @Cascade(value = org.hibernate.annotations.CascadeType.SAVE_UPDATE)
   @JoinTable(name = "project_user",
         joinColumns = {@JoinColumn(name = "project_id")},
         inverseJoinColumns = {@JoinColumn(name = "user_id")})
    private List<User> assignedUsers = new ArrayList<User>(0);
   
   @ManyToOne
   @JoinColumn(name="company", insertable=false, updatable=false, nullable=false)
    private Company company;



User

Code:
@Entity
public class User extends NamedEntity implements UserDetails, Serializable {

   private static final long serialVersionUID = 1L;
   
   @Column
    private String surname;
   
   @Column
    private String email;
   
   @Column
    private String username;
   
   @Column
   private String password;
   
   @ManyToOne(cascade = CascadeType.ALL)
    private Company company;
   
   @Column
    private double currentHourlyRate;
   
    @ManyToMany(mappedBy="assignedUsers")
    private List<Project> projects = new ArrayList<Project>(0);
   
   @CollectionOfElements
   @JoinTable( name="user_role" ,
         joinColumns={@JoinColumn(name="user_id")})
   @Cascade(value=org.hibernate.annotations.CascadeType.DELETE_ORPHAN)
   @Enumerated(value=EnumType.STRING)
    private Set<UserRolesEnum> roles = new HashSet<UserRolesEnum>(0);
    /** This attribute transient, required by implementation of UserDetails.
     * This property is set by Spring security in order to determine what
     * roles this user is. The roles information is based on "UserRolesEnum"
     * which requires a mapping to be done from 1 attribute to another
     * */
   @Transient
    private Set<GrantedAuthority> authorities;
   
   @Column
    private boolean isEnabled = true;
   
   @Column
    private boolean isAccountNonExpired = true;
   
   @Column
    private boolean isAccountNonLocked = true;
   
   @Column
    private boolean isCredentialsNonExpired = true;



Company
Code:
@Entity
public class Company extends NamedEntity {
   
   @OneToMany(mappedBy="company")
   private Set<User> employees = new HashSet<User>();
   
    @OneToMany(cascade = CascadeType.ALL)
    @JoinColumn(name = "company", updatable = false, insertable = false, nullable=false)
   private Set<Project> projects = new HashSet<Project>();
   


There is a complex three way relationship between a project, company and user objects. Is this what is causing the problem?

The problem is very similar to this post but his solution dosn't work for me.

Thanks!
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