[NETBEANS-552] NullPointerException at org.netbeans.modules.form.layoutdesign.VisualState.updateCurrentSpaceOfComponents

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 9.0
• Component/s: ide - Code

Environment

Windows

Docs Text

http://statistics.netbeans.org/analytics/exception.do?id=876713

java.lang.NullPointerException
        at org.netbeans.modules.form.layoutdesign.VisualState.updateCurrentSpaceOfComponents(VisualState.java:97)
        at org.netbeans.modules.form.layoutdesign.LayoutDesigner.updateContainerAfterBuild(LayoutDesigner.java:3579)
        at org.netbeans.modules.form.layoutdesign.LayoutDesigner.updateCurrentState(LayoutDesigner.java:334)
        at org.netbeans.modules.form.layoutdesign.LayoutDesigner.updateCurrentState(LayoutDesigner.java:180)
        at org.netbeans.modules.form.FormDesigner.updateComponentLayer(FormDesigner.java:616)
        at org.netbeans.modules.form.FormDesigner.access$2200(FormDesigner.java:78)
        at org.netbeans.modules.form.FormDesigner$FormListener.run(FormDesigner.java:2676)
        at org.netbeans.modules.form.FormLAF$3.run(FormLAF.java:308)
        at org.netbeans.modules.openide.util.NbMutexEventProvider$Event.doEventAccess(NbMutexEventProvider.java:115)
        at org.netbeans.modules.openide.util.NbMutexEventProvider$Event.readAccess(NbMutexEventProvider.java:75)
        at org.netbeans.modules.openide.util.LazyMutexImplementation.readAccess(LazyMutexImplementation.java:71)
        at org.openide.util.Mutex.readAccess(Mutex.java:193)
        at org.netbeans.modules.form.FormLAF.executeWithLookAndFeel(FormLAF.java:291)
        at org.netbeans.modules.form.FormDesigner$FormListener.processEvents(FormDesigner.java:2513)
        at org.netbeans.modules.form.FormDesigner$FormListener.formChanged(FormDesigner.java:2479)
        at org.netbeans.modules.form.FormModel.fireEvents(FormModel.java:1302)
        at org.netbeans.modules.form.FormModel.fireEventBatch(FormModel.java:1288)
        at org.netbeans.modules.form.FormModel.firePendingEvents(FormModel.java:1238)
        at org.netbeans.modules.form.FormModel.sendEventImmediately(FormModel.java:1230)
        at org.netbeans.modules.form.FormModel.fireFormChanged(FormModel.java:1180)
        at org.netbeans.modules.form.FormDesigner.updateComponentLayer(FormDesigner.java:617)
        at org.netbeans.modules.form.FormDesigner.access$2200(FormDesigner.java:78)
        at org.netbeans.modules.form.FormDesigner$FormListener.run(FormDesigner.java:2676)
        at org.netbeans.modules.form.FormLAF$3.run(FormLAF.java:308)
        at org.netbeans.modules.openide.util.NbMutexEventProvider$Event.doEventAccess(NbMutexEventProvider.java:115)
        at org.netbeans.modules.openide.util.NbMutexEventProvider$Event.readAccess(NbMutexEventProvider.java:75)
        at org.netbeans.modules.openide.util.LazyMutexImplementation.readAccess(LazyMutexImplementation.java:71)
        at org.openide.util.Mutex.readAccess(Mutex.java:193)
        at org.netbeans.modules.form.FormLAF.executeWithLookAndFeel(FormLAF.java:291)
        at org.netbeans.modules.form.FormDesigner$FormListener.processEvents(FormDesigner.java:2513)
        at org.netbeans.modules.form.FormDesigner$FormListener.formChanged(FormDesigner.java:2479)
        at org.netbeans.modules.form.FormModel.fireEvents(FormModel.java:1302)
        at org.netbeans.modules.form.FormModel.fireEventBatch(FormModel.java:1275)
        at org.netbeans.modules.form.FormModel.firePendingEvents(FormModel.java:1238)
        at org.netbeans.modules.form.FormModel.access$000(FormModel.java:43)
        at org.netbeans.modules.form.FormModel$2.run(FormModel.java:1215)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
        at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
        at java.awt.EventQueue.access$500(EventQueue.java:97)
        at java.awt.EventQueue$3.run(EventQueue.java:709)
        at java.awt.EventQueue$3.run(EventQueue.java:703)
        at java.security.AccessController.doPrivileged(AccessController.java:0)
        at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
        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)

• Assignee: Unassigned
• Reporter: efrem mccrimon
• Created: 30/Mar/18 05:02
• Updated: 30/Mar/18 05:02

Description

NullPointerException at org.netbeans.modules.form.layoutdesign.VisualState.updateCurrentSpaceOfComponents

Testing step to reproduce

Test Add mode Test Case
Steps:
1. Push Add Mode.
2. From opened popup menu select Swing Controls -> JButton.
3. Result: On the right of status label there is icon of JButton and label JButton.