While try to open Entity Inspector of EntityB, the code in onBeforeDetach triggered below error:
Entity Inspector Error : IllegalStateException: Cannot get unfetched attribute [state] from object xx.entity.EntityA-c7474599-8640-b39c-49d2-2ecae289e449 [managed]
I try to change fetchType to (fetch = FetchType.EAGER), but still got same error.
I found that in EntityInspectorBrowse.java, in method createView(), it will use minimal view for association or composition relationship. In this case, it will not load extra properties. As a workaround, I added State property to entity @NamePattern to force State property loaded in minimal view make this exception gone. It’s your call to decide if this is a bug.
case ASSOCIATION:
case COMPOSITION:
if (!metaProperty.getRange().getCardinality().isMany()) {
View minimal = metadata.getViewRepository()
.getView(metaProperty.getRange().asClass(), View.MINIMAL);
View propView = new View(minimal, metaProperty.getName() + "Ds", false);
view.addProperty(metaProperty.getName(), propView);
}
break;
java.lang.IllegalStateException: Cannot get unfetched attribute [state] from object com.tcx.uadm.entity.EntityA-40193651-f5cb-ad25-9820-69eafdc5d060 [managed]
at org.eclipse.persistence.internal.jpa.EntityManagerImpl.processUnfetchedAttribute(EntityManagerImpl.java:2848)
at com.haulmont.chile.core.model.impl.AbstractInstance._persistence_checkFetched(AbstractInstance.java)
at com.tcx.uadm.entity.EntityA._persistence_get_state(EntityA.java)
at com.tcx.uadm.entity.EntityA.getstate(EntityA.java:179)
at com.tcx.uadm.listener.EntityAEntityListener.onBeforeDetach(EntityAEntityListener.java:42)
at com.tcx.uadm.listener.EntityAEntityListener.onBeforeDetach(EntityAEntityListener.java:26)
at com.haulmont.cuba.core.sys.listener.EntityListenerManager.fireListener(EntityListenerManager.java:234)
at com.haulmont.cuba.core.sys.persistence.PersistenceImplSupport.fireBeforeDetachEntityListener(PersistenceImplSupport.java:202)
at com.haulmont.cuba.core.sys.persistence.PersistenceImplSupport$ContainerResourceSynchronization.beforeCommit(PersistenceImplSupport.java:437)
at org.springframework.transaction.support.TransactionSynchronizationUtils.triggerBeforeCommit(TransactionSynchronizationUtils.java:95)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.triggerBeforeCommit(AbstractPlatformTransactionManager.java:936)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:748)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:734)
at com.haulmont.cuba.core.sys.TransactionImpl.commit(TransactionImpl.java:104)
at com.haulmont.cuba.core.app.RdbmsStore.loadList(RdbmsStore.java:248)
at com.haulmont.cuba.core.app.DataManagerBean.loadList(DataManagerBean.java:74)
at com.haulmont.cuba.core.app.DataServiceBean.loadList(DataServiceBean.java:54)
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.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:84)
at com.haulmont.cuba.core.sys.ServiceInterceptor.aroundInvoke(ServiceInterceptor.java:117)
at sun.reflect.GeneratedMethodAccessor205.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:627)
at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:616)
at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:168)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)
at com.sun.proxy.$Proxy110.loadList(Unknown Source)
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 com.haulmont.cuba.core.sys.remoting.LocalServiceInvokerImpl.invoke(LocalServiceInvokerImpl.java:94)
at com.haulmont.cuba.web.sys.remoting.LocalServiceProxy$LocalServiceInvocationHandler.invoke(LocalServiceProxy.java:154)
at com.sun.proxy.$Proxy256.loadList(Unknown Source)
at com.haulmont.cuba.EntityA.sys.DataManagerEntityAImpl.loadList(DataManagerEntityAImpl.java:57)
at com.haulmont.cuba.gui.data.impl.GenericDataSupplier.loadList(GenericDataSupplier.java:117)
at com.haulmont.cuba.gui.data.impl.CollectionDatasourceImpl.loadData(CollectionDatasourceImpl.java:613)
at com.haulmont.cuba.gui.data.impl.CollectionDatasourceImpl.refresh(CollectionDatasourceImpl.java:161)
at com.haulmont.cuba.gui.data.impl.CollectionDatasourceImpl.refreshIfNotSuspended(CollectionDatasourceImpl.java:112)
at com.haulmont.cuba.gui.components.filter.FilterDelegateImpl.refreshDatasource(FilterDelegateImpl.java:1644)
at com.haulmont.cuba.gui.components.filter.FilterDelegateImpl.apply(FilterDelegateImpl.java:1488)
at com.haulmont.cuba.web.gui.components.WebFilter.apply(WebFilter.java:82)
at com.haulmont.cuba.gui.app.core.entityinspector.EntityInspectorBrowse.createFilter(EntityInspectorBrowse.java:298)
at com.haulmont.cuba.gui.app.core.entityinspector.EntityInspectorBrowse.createEntitiesTable(EntityInspectorBrowse.java:282)
at com.haulmont.cuba.gui.app.core.entityinspector.EntityInspectorBrowse.showEntities(EntityInspectorBrowse.java:173)
at com.haulmont.cuba.gui.app.core.entityinspector.EntityInspectorBrowse.lambda$init$0(EntityInspectorBrowse.java:150)
at com.haulmont.bali.events.EventRouter.fireEvent(EventRouter.java:45)
at com.haulmont.cuba.web.gui.components.WebLookupField.lambda$attachListener$4850968e$1(WebLookupField.java:212)
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 com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:510)
at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:200)
at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:163)
at com.vaadin.server.AbstractEntityAConnector.fireEvent(AbstractEntityAConnector.java:1037)
at com.vaadin.ui.AbstractField.fireValueChange(AbstractField.java:1199)
at com.vaadin.ui.AbstractField.setValue(AbstractField.java:600)
at com.vaadin.ui.AbstractSelect.setValue(AbstractSelect.java:738)
at com.vaadin.ui.AbstractField.setValue(AbstractField.java:494)
at com.vaadin.ui.ComboBox.changeVariables(ComboBox.java:750)
at com.haulmont.cuba.web.toolkit.ui.CubaComboBox.changeVariables(CubaComboBox.java:167)
at com.vaadin.server.communication.ServerRpcHandler.changeVariables(ServerRpcHandler.java:623)
at com.vaadin.server.communication.ServerRpcHandler.handleInvocation(ServerRpcHandler.java:470)
at com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:413)
at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:274)
at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:90)
at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:41)
at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1435)
at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:361)
at com.haulmont.cuba.web.sys.CubaApplicationServlet.serviceAppRequest(CubaApplicationServlet.java:312)
at com.haulmont.cuba.web.sys.CubaApplicationServlet.service(CubaApplicationServlet.java:203)
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.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:107)
at com.haulmont.cuba.web.security.idp.BaseIdpSessionFilter.doFilter(BaseIdpSessionFilter.java:220)
at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:112)
at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:73)
at com.haulmont.cuba.web.sys.CubaHttpFilter.doFilter(CubaHttpFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$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)