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Bug 224531 - NullPointerException at org.netbeans.modules.form.layoutdesign.LayoutPainter.paintGaps
Summary: NullPointerException at org.netbeans.modules.form.layoutdesign.LayoutPainter....
Status: RESOLVED FIXED
Alias: None
Product: guibuilder
Classification: Unclassified
Component: Code (show other bugs)
Version: 7.3
Hardware: All All
: P3 normal (vote)
Assignee: issues@guibuilder
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2013-01-06 09:14 UTC by Alpha-Programmer
Modified: 2013-01-08 02:24 UTC (History)
0 users

See Also:
Issue Type: DEFECT
Exception Reporter: 197217

Attachments
stacktrace (5.08 KB, text/plain)
2013-01-06 09:14 UTC, Alpha-Programmer 		Details
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Description Alpha-Programmer 2013-01-06 09:14:54 UTC 
This bug was originally marked as duplicate of bug 213936, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related.

Build: NetBeans IDE 7.3 Beta 2 (Build 201211062253)
VM: Java HotSpot(TM) 64-Bit Server VM, 23.6-b04, Java(TM) SE Runtime Environment, 1.7.0_10-b18
OS: Linux

Stacktrace: 
java.lang.NullPointerException
   at org.netbeans.modules.form.layoutdesign.LayoutPainter.paintGaps(LayoutPainter.java:539)
   at org.netbeans.modules.form.layoutdesign.LayoutDesigner.paintSelection(LayoutDesigner.java:1469)
   at org.netbeans.modules.form.HandleLayer.paintLayoutInnerSelection(HandleLayer.java:425)
   at org.netbeans.modules.form.HandleLayer.paintComponent(HandleLayer.java:321)
   at javax.swing.JComponent.paint(JComponent.java:1054)
   at javax.swing.JComponent.paintChildren(JComponent.java:887)
Comment 1 Alpha-Programmer 2013-01-06 09:14:56 UTC 
Created attachment 129929 [details]
stacktrace
Comment 2 Tomas Pavek 2013-01-07 19:03:52 UTC 
I was not able to reproduce it, but it's probably a similar case to bug 213936, the difference is that here a component is selected (not a container). Implemented an analogous workaround.

http://hg.netbeans.org/jet-main/rev/cd30f2222f41
Comment 3 Quality Engineering 2013-01-08 02:24:38 UTC 
Integrated into 'main-golden', will be available in build *201301080001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)
Changeset: http://hg.netbeans.org/main-golden/rev/cd30f2222f41
User: Tomas Pavek <tpavek@netbeans.org>
Log: #224402: repaint may happen after a failure that was not undone yet; #224531: perhaps simlar case of not yet built container as in bug 213936