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POHibernate Exception - could not resolve property:
 

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  1. POHibernate Exception - could not resolve property:
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    <p>I am trying to retrieve an object and its children. The request comes up with an exception.</p> <p>Models - The staff class is a self reference class where the checker with a checker_id is also a staff. And also both the staff and checker has a one to many relationship with the module model.</p> <pre><code> public class Staff implements Serializable, @Id @Column(name = "staff_id") private String staffId; @ManyToOne(cascade={CascadeType.ALL}) @JoinColumn(name="checker_id") private Staff checker; @OneToMany(mappedBy="checker", orphanRemoval=true, cascade = CascadeType.ALL) private Set&lt;Staff&gt; setters = new HashSet&lt;Staff&gt;(); @OneToMany(cascade=CascadeType.ALL, fetch=FetchType.LAZY, mappedBy="setter") private Set&lt;Module&gt; sModule = new HashSet&lt;Module&gt;(); @OneToMany(cascade=CascadeType.ALL, fetch=FetchType.LAZY, mappedBy="checker") private Set&lt;Module&gt; cModule = new HashSet&lt;Module&gt;(); //getters and setters} </code></pre> <p>Module model</p> <pre><code> public class Module implements Serializable{ @ManyToOne(fetch=FetchType.LAZY) @JoinColumn(name="staff_id", insertable=false, updatable=false) private Staff setter; @ManyToOne(fetch=FetchType.LAZY) @JoinColumn(name="checker_id", insertable=false, updatable=false) private Staff checker; //getters and setters } </code></pre> <p>DAO code</p> <pre><code> @Transactional @SuppressWarnings("unchecked") public Staff getWithModules(String staffId){ //Retrieve Staff Criteria crit = getCurrentSession().createCriteria(Staff.class); crit.add(Restrictions.eq("staffId", staffId)); Staff staff = get(crit); //Retrieve the modules for the staff crit = getCurrentSession().createCriteria(Module.class); crit.add(Restrictions.eq("Staff.staffId", staffId)); crit.add(Restrictions.isNull("checkerId")); crit.addOrder(Order.asc("moduleId")); Set&lt;Module&gt; sModule = new LinkedHashSet&lt;Module&gt;(crit.list()); staff.setsModule(sModule); //Set&lt;Module&gt; modules = new LinkedHashSet&lt;Module&gt;(crit.list()); //staff.setModules(modules); return staff; } </code></pre> <p>When I try to get any staff id and along with it the modules attached to it. I get this error in the stacktrace:</p> <pre><code> org.hibernate.QueryException: could not resolve property: Staff of: com.project.professional.model.Module org.hibernate.persister.entity.AbstractPropertyMapping.propertyException(AbstractPropertyMapping.java:83) org.hibernate.persister.entity.AbstractPropertyMapping.toType(AbstractPropertyMapping.java:77) org.hibernate.persister.entity.AbstractEntityPersister.getSubclassPropertyTableNumber(AbstractEntityPersister.java:1945) org.hibernate.persister.entity.BasicEntityPropertyMapping.toColumns(BasicEntityPropertyMapping.java:61) org.hibernate.persister.entity.AbstractEntityPersister.toColumns(AbstractEntityPersister.java:1920) org.hibernate.loader.criteria.CriteriaQueryTranslator.getColumns(CriteriaQueryTranslator.java:523) org.hibernate.loader.criteria.CriteriaQueryTranslator.findColumns(CriteriaQueryTranslator.java:538) org.hibernate.criterion.SimpleExpression.toSqlString(SimpleExpression.java:66) org.hibernate.loader.criteria.CriteriaQueryTranslator.getWhereCondition(CriteriaQueryTranslator.java:419) org.hibernate.loader.criteria.CriteriaJoinWalker.&lt;init&gt;(CriteriaJoinWalker.java:123) org.hibernate.loader.criteria.CriteriaJoinWalker.&lt;init&gt;(CriteriaJoinWalker.java:92) org.hibernate.loader.criteria.CriteriaLoader.&lt;init&gt;(CriteriaLoader.java:95) org.hibernate.internal.SessionImpl.list(SessionImpl.java:1602) org.hibernate.internal.CriteriaImpl.list(CriteriaImpl.java:374) com.project.professional.dao.StaffDAO.getWithModules(StaffDAO.java:60) com.project.professional.dao.StaffDAO$$FastClassByCGLIB$$d033d033.invoke(&lt;generated&gt;) org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:698) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:631) com.project.professional.dao.StaffDAO$$EnhancerByCGLIB$$58379429.getWithModules(&lt;generated&gt;) com.project.professional.service.StaffServiceImpl.getWithModules(StaffServiceImpl.java:54) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:601) org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317) org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) $Proxy46.getWithModules(Unknown Source) com.project.professional.controller.StaffController.showStaffModules(StaffController.java:83) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:601) org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:219) org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132) org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104) org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:746) org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:687) org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:915) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:811) javax.servlet.http.HttpServlet.service(HttpServlet.java:621) org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:796) javax.servlet.http.HttpServlet.service(HttpServlet.java:728) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259) </code></pre> <p>I would appreciate knowing what the problem is. </p>
    singulars
    1. PO
      singulars
      1. PTAnswer
    1. This table or related slice is empty.
    1. PTQuestion
    1. USuser2259555
    1. USuser2259555
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
      singulars
      1. PTAnswer
    1. VO
      singulars
      1. POHibernate Exception - could not resolve property:
      1. This table or related slice is empty.
      1. VTUpMod
    1. COis the Staff class mentioned in your hibernate.cfg.xml file?
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      1. POHibernate Exception - could not resolve property:
      1. USluksch
 

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