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Bug 213575 - NullPointerException at org.netbeans.modules.form.layoutdesign.VisualState.updateCurrentSpaceOfComponents
Summary: NullPointerException at org.netbeans.modules.form.layoutdesign.VisualState.up...
Status: RESOLVED DUPLICATE of bug 212953
Alias: None
Product: guibuilder
Classification: Unclassified
Component: Code (show other bugs)
Version: 7.2
Hardware: All All
: P3 normal (vote)
Assignee: issues@guibuilder
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2012-06-05 04:16 UTC by misterm
Modified: 2012-06-11 16:27 UTC (History)
1 user (show)

See Also:
Issue Type: DEFECT
Exception Reporter: 188779


Attachments
stacktrace (1.38 KB, text/plain)
2012-06-05 04:16 UTC, misterm
Details
stacktrace (1.38 KB, text/plain)
2012-06-05 04:22 UTC, misterm
Details

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Description misterm 2012-06-05 04:16:44 UTC
Build: NetBeans IDE Dev (Build 20120518-c2fc5ef7e6b5)
VM: Java HotSpot(TM) Client VM, 16.2-b04, Java(TM) SE Runtime Environment, 1.6.0_19-b04
OS: Windows 7

Stacktrace: 
java.lang.NullPointerException
   at org.netbeans.modules.form.layoutdesign.VisualState.updateCurrentSpaceOfComponents(VisualState.java:120)
   at org.netbeans.modules.form.layoutdesign.LayoutDesigner.updateContainerAfterBuild(LayoutDesigner.java:3697)
   at org.netbeans.modules.form.layoutdesign.LayoutDesigner.updateCurrentState(LayoutDesigner.java:324)
   at org.netbeans.modules.form.layoutdesign.LayoutDesigner.updateCurrentState(LayoutDesigner.java:198)
   at org.netbeans.modules.form.FormDesigner.updateComponentLayer(FormDesigner.java:641)
   at org.netbeans.modules.form.FormDesigner.access$2100(FormDesigner.java:102)
Comment 1 misterm 2012-06-05 04:16:50 UTC
Created attachment 120350 [details]
stacktrace
Comment 2 misterm 2012-06-05 04:22:14 UTC
Created attachment 120352 [details]
stacktrace
Comment 3 Tomas Pavek 2012-06-11 16:27:13 UTC
Looking at the exception, it happened when the whole designer is built, likely when the form is loaded. I.e. it did not happen after some operation in the layout (which is otherwise the usual source of bugs).

Looking into the logs, there are more exception preceding this one, indicating some components failed to be cloned for the design view. It seems it is the same problem with SwingX components as described in bug 212953.

The relevant sequence of exceptions is as follows:

java.lang.NullPointerException
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:169)
	at org.jdesktop.swingx.plaf.LookAndFeelAddons.getUI(LookAndFeelAddons.java:280)
	at org.jdesktop.swingx.JXMonthView.updateUI(JXMonthView.java:773)
	at org.jdesktop.swingx.JXMonthView.<init>(JXMonthView.java:324)
	at org.jdesktop.swingx.JXMonthView.<init>(JXMonthView.java:264)
	at org.jdesktop.swingx.JXDatePicker.initMonthView(JXDatePicker.java:327)
	at org.jdesktop.swingx.JXDatePicker.init(JXDatePicker.java:319)
	at org.jdesktop.swingx.JXDatePicker.<init>(JXDatePicker.java:247)
	at org.jdesktop.swingx.JXDatePicker.<init>(JXDatePicker.java:198)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	at java.lang.Class.newInstance0(Class.java:355)
	at java.lang.Class.newInstance(Class.java:308)
	at org.netbeans.modules.form.CreationFactory.createDefaultInstance(CreationFactory.java:178)
	at org.netbeans.modules.form.RADComponent.createBeanInstance(RADComponent.java:252)
[catch] at org.netbeans.modules.form.RADComponent.cloneBeanInstance(RADComponent.java:412)
	at org.netbeans.modules.form.VisualReplicator.cloneComponent(VisualReplicator.java:696)
	at org.netbeans.modules.form.VisualReplicator.cloneComponent(VisualReplicator.java:734)
	at org.netbeans.modules.form.VisualReplicator.createClone(VisualReplicator.java:181)
	at org.netbeans.modules.form.VisualReplicator.createClone(VisualReplicator.java:169)
	at org.netbeans.modules.form.FormDesigner$FormListener.run(FormDesigner.java:2482)
	at org.netbeans.modules.form.FormLAF$3.run(FormLAF.java:322)
	at org.openide.util.Mutex.doEventAccess(Mutex.java:1363)
	at org.openide.util.Mutex.readAccess(Mutex.java:273)
	at org.netbeans.modules.form.FormLAF.executeWithLookAndFeel(FormLAF.java:305)
	at org.netbeans.modules.form.FormDesigner$FormListener.processEvents(FormDesigner.java:2464)
	at org.netbeans.modules.form.FormDesigner$FormListener.formChanged(FormDesigner.java:2430)
	at org.netbeans.modules.form.FormDesigner.updateWholeDesigner(FormDesigner.java:617)
	at org.netbeans.modules.form.FormDesigner.initialize(FormDesigner.java:270)
	at org.netbeans.modules.form.FormDesigner.loadingComplete(FormDesigner.java:1958)
	at org.netbeans.modules.nbform.FormDesignerTC.loadForm(FormDesignerTC.java:276)
	at org.netbeans.modules.nbform.FormDesignerTC.access$300(FormDesignerTC.java:86)
	at org.netbeans.modules.nbform.FormDesignerTC$PreLoadTask$1.run(FormDesignerTC.java:263)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
	at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

SEVERE
java.lang.NullPointerException
	at java.awt.Container.addImpl(Container.java:1045)
	at java.awt.Container.add(Container.java:365)
	at org.netbeans.modules.form.layoutdesign.support.SwingLayoutBuilder.createLayout(SwingLayoutBuilder.java:171)
	at org.netbeans.modules.form.layoutdesign.support.SwingLayoutBuilder.setupContainerLayout(SwingLayoutBuilder.java:108)
[catch] at org.netbeans.modules.form.VisualReplicator.setupContainerLayout(VisualReplicator.java:822)
	at org.netbeans.modules.form.VisualReplicator.cloneComponent(VisualReplicator.java:754)
	at org.netbeans.modules.form.VisualReplicator.createClone(VisualReplicator.java:181)
	at org.netbeans.modules.form.VisualReplicator.createClone(VisualReplicator.java:169)
	at org.netbeans.modules.form.FormDesigner$FormListener.run(FormDesigner.java:2482)
	at org.netbeans.modules.form.FormLAF$3.run(FormLAF.java:322)
	at org.openide.util.Mutex.doEventAccess(Mutex.java:1363)
	at org.openide.util.Mutex.readAccess(Mutex.java:273)
	at org.netbeans.modules.form.FormLAF.executeWithLookAndFeel(FormLAF.java:305)
	at org.netbeans.modules.form.FormDesigner$FormListener.processEvents(FormDesigner.java:2464)
	at org.netbeans.modules.form.FormDesigner$FormListener.formChanged(FormDesigner.java:2430)
	at org.netbeans.modules.form.FormDesigner.updateWholeDesigner(FormDesigner.java:617)
	at org.netbeans.modules.form.FormDesigner.initialize(FormDesigner.java:270)
	at org.netbeans.modules.form.FormDesigner.loadingComplete(FormDesigner.java:1958)
	at org.netbeans.modules.nbform.FormDesignerTC.loadForm(FormDesignerTC.java:276)
	at org.netbeans.modules.nbform.FormDesignerTC.access$300(FormDesignerTC.java:86)
	at org.netbeans.modules.nbform.FormDesignerTC$PreLoadTask$1.run(FormDesignerTC.java:263)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
	at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

SEVERE [global]
java.lang.NullPointerException
	at org.netbeans.modules.form.layoutdesign.VisualState.updateCurrentSpaceOfComponents(VisualState.java:120)
	at org.netbeans.modules.form.layoutdesign.LayoutDesigner.updateContainerAfterBuild(LayoutDesigner.java:3697)
	at org.netbeans.modules.form.layoutdesign.LayoutDesigner.updateCurrentState(LayoutDesigner.java:324)
	at org.netbeans.modules.form.layoutdesign.LayoutDesigner.updateCurrentState(LayoutDesigner.java:198)
	at org.netbeans.modules.form.FormDesigner.updateComponentLayer(FormDesigner.java:641)
	at org.netbeans.modules.form.FormDesigner.access$2100(FormDesigner.java:102)
	at org.netbeans.modules.form.FormDesigner$FormListener$2.run(FormDesigner.java:2499)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
	at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
[catch] at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

*** This bug has been marked as a duplicate of bug 212953 ***