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When open design view the ide show me "No such property exists in the component." referring to nonexistent cursor property. When show exceptions tell me : org.netbeans.modules.form.PersistenceException: Unknown property at org.netbeans.modules.form.GandalfPersistenceManager.loadProperty(GandalfPersistenceManager.java:2047) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponentProperties(GandalfPersistenceManager.java:2020) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:854) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.loadForm(GandalfPersistenceManager.java:503) at org.netbeans.modules.form.GandalfPersistenceManager.loadForm(GandalfPersistenceManager.java:283) at org.netbeans.modules.form.FormEditor$2.run(FormEditor.java:352) at org.netbeans.modules.form.FormLAF$2.run(FormLAF.java:293) at org.openide.util.Mutex.doEventAccess(Mutex.java:1376) at org.openide.util.Mutex.readAccess(Mutex.java:327) at org.netbeans.modules.form.FormLAF.executeWithLookAndFeel(FormLAF.java:276) at org.netbeans.modules.form.FormEditor.loadFormData(FormEditor.java:349) at org.netbeans.modules.nbform.FormEditorSupport.loadOpeningForm(FormEditorSupport.java:467) at org.netbeans.modules.nbform.FormDesignerTC.loadForm(FormDesignerTC.java:279) at org.netbeans.modules.nbform.FormDesignerTC.access$300(FormDesignerTC.java:87) at org.netbeans.modules.nbform.FormDesignerTC$PreLoadTask$1.run(FormDesignerTC.java:268) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.awt.EventQueue.dispatchEvent(EventQueue.java:726) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) org.netbeans.modules.form.PersistenceException: Unknown property at org.netbeans.modules.form.GandalfPersistenceManager.loadProperty(GandalfPersistenceManager.java:2047) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponentProperties(GandalfPersistenceManager.java:2020) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:854) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.loadForm(GandalfPersistenceManager.java:503) at org.netbeans.modules.form.GandalfPersistenceManager.loadForm(GandalfPersistenceManager.java:283) at org.netbeans.modules.form.FormEditor$2.run(FormEditor.java:352) at org.netbeans.modules.form.FormLAF$2.run(FormLAF.java:293) at org.openide.util.Mutex.doEventAccess(Mutex.java:1376) at org.openide.util.Mutex.readAccess(Mutex.java:327) at org.netbeans.modules.form.FormLAF.executeWithLookAndFeel(FormLAF.java:276) at org.netbeans.modules.form.FormEditor.loadFormData(FormEditor.java:349) at org.netbeans.modules.nbform.FormEditorSupport.loadOpeningForm(FormEditorSupport.java:467) at org.netbeans.modules.nbform.FormDesignerTC.loadForm(FormDesignerTC.java:279) at org.netbeans.modules.nbform.FormDesignerTC.access$300(FormDesignerTC.java:87) at org.netbeans.modules.nbform.FormDesignerTC$PreLoadTask$1.run(FormDesignerTC.java:268) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.awt.EventQueue.dispatchEvent(EventQueue.java:726) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) org.netbeans.modules.form.PersistenceException: Unknown property at org.netbeans.modules.form.GandalfPersistenceManager.loadProperty(GandalfPersistenceManager.java:2047) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponentProperties(GandalfPersistenceManager.java:2020) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:854) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.loadForm(GandalfPersistenceManager.java:503) at org.netbeans.modules.form.GandalfPersistenceManager.loadForm(GandalfPersistenceManager.java:283) at org.netbeans.modules.form.FormEditor$2.run(FormEditor.java:352) at org.netbeans.modules.form.FormLAF$2.run(FormLAF.java:293) at org.openide.util.Mutex.doEventAccess(Mutex.java:1376) at org.openide.util.Mutex.readAccess(Mutex.java:327) at org.netbeans.modules.form.FormLAF.executeWithLookAndFeel(FormLAF.java:276) at org.netbeans.modules.form.FormEditor.loadFormData(FormEditor.java:349) at org.netbeans.modules.nbform.FormEditorSupport.loadOpeningForm(FormEditorSupport.java:467) at org.netbeans.modules.nbform.FormDesignerTC.loadForm(FormDesignerTC.java:279) at org.netbeans.modules.nbform.FormDesignerTC.access$300(FormDesignerTC.java:87) at org.netbeans.modules.nbform.FormDesignerTC$PreLoadTask$1.run(FormDesignerTC.java:268) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.awt.EventQueue.dispatchEvent(EventQueue.java:726) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) org.netbeans.modules.form.PersistenceException: Unknown property at org.netbeans.modules.form.GandalfPersistenceManager.loadProperty(GandalfPersistenceManager.java:2047) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponentProperties(GandalfPersistenceManager.java:2020) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:854) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.restoreComponent(GandalfPersistenceManager.java:824) at org.netbeans.modules.form.GandalfPersistenceManager.loadComponent(GandalfPersistenceManager.java:968) at org.netbeans.modules.form.GandalfPersistenceManager.loadForm(GandalfPersistenceManager.java:503) at org.netbeans.modules.form.GandalfPersistenceManager.loadForm(GandalfPersistenceManager.java:283) at org.netbeans.modules.form.FormEditor$2.run(FormEditor.java:352) at org.netbeans.modules.form.FormLAF$2.run(FormLAF.java:293) at org.openide.util.Mutex.doEventAccess(Mutex.java:1376) at org.openide.util.Mutex.readAccess(Mutex.java:327) at org.netbeans.modules.form.FormLAF.executeWithLookAndFeel(FormLAF.java:276) at org.netbeans.modules.form.FormEditor.loadFormData(FormEditor.java:349) at org.netbeans.modules.nbform.FormEditorSupport.loadOpeningForm(FormEditorSupport.java:467) at org.netbeans.modules.nbform.FormDesignerTC.loadForm(FormDesignerTC.java:279) at org.netbeans.modules.nbform.FormDesignerTC.access$300(FormDesignerTC.java:87) at org.netbeans.modules.nbform.FormDesignerTC$PreLoadTask$1.run(FormDesignerTC.java:268) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.awt.EventQueue.dispatchEvent(EventQueue.java:726) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
This is likely some mismatch problem between a custom component and its BeanInfo. E.g. form created when there was no BeanInfo available, cursor property was set, then later the form was opened in situation when the BeanInfo for given component was available but reduced visible properties so cursor property might not be available. I cannot tell more without having the exact form and component at hand. This does not happen in normal use with standard Swing components. If you can provide your project for testing, we can try to diagnose the problem exactly.
facing same issue!! error while opening a panel gui in designer. but my other team mates are not facing the issue.