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Bug 185260

Summary:	Manipulating Swing from multiple threads (NPE at JComponent._paintImmediately)
Product:	platform	Reporter:	Alexey Vladykin <alexey_vladykin>
Component:	JDK Problems	Assignee:	Antonin Nebuzelsky <anebuzelsky>
Status:	RESOLVED WORKSFORME
Severity:	normal	CC:	alexvsimon, anebuzelsky, gorrus
Priority:	P3
Version:	6.x
Hardware:	All
OS:	All
Issue Type:	DEFECT	Exception Reporter:	168868
Attachments:	stacktrace stacktrace stacktrace stacktrace

Description Alexey Vladykin 2010-04-29 13:32:13 UTC

This bug was originally marked as duplicate of bug 118184, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related.

Build: NetBeans IDE Dev (Build 100429-0b3e6ee0f20c)
VM: Java HotSpot(TM) 64-Bit Server VM, 14.3-b01, Java(TM) SE Runtime Environment, 1.6.0_17-b04
OS: Linux

User Comments:
alexey_vladykin: Created new C/C++ project




Stacktrace: 
java.lang.NullPointerException
   at javax.swing.JComponent._paintImmediately(JComponent.java:5075)
   at javax.swing.JComponent.paintImmediately(JComponent.java:4870)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:803)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:714)
   at javax.swing.RepaintManager.seqPaintDirtyRegions(RepaintManager.java:694)
   at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:125)

Comment 1 Alexey Vladykin 2010-04-29 13:32:18 UTC

Created attachment 98281 [details]
stacktrace

Comment 2 Egor Ushakov 2010-05-05 14:32:24 UTC

Created attachment 98495 [details]
stacktrace

Comment 3 Alexander Simon 2010-09-02 07:03:52 UTC

Created attachment 101823 [details]
stacktrace

Comment 4 Antonin Nebuzelsky 2010-10-05 09:46:22 UTC

Evaluated in

http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6524980

"The only way I can see this problem happening is if the submitter has a) overridden getGraphics to return null or is b) manipulating Swing from multiple threads."

The issue 118184 fixed some, but there are still some remaining.

Comment 5 Exceptions Reporter 2010-12-18 14:56:57 UTC

Created attachment 104242 [details]
stacktrace

Comment 6 Antonin Nebuzelsky 2011-10-06 08:30:23 UTC

No new duplicate for a year. Closing worksforme now.