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Bug 219305

Summary:	NullPointerException at javax.swing.text.FlowView$LogicalView.getPreferredSpan
Product:	platform	Reporter:	rr151
Component:	Help System	Assignee:	Jaroslav Havlin <jhavlin>
Status:	RESOLVED INCOMPLETE
Severity:	normal
Priority:	P3
Version:	7.2
Hardware:	All
OS:	All
Issue Type:	DEFECT	Exception Reporter:	192930
Attachments:	stacktrace

Description rr151 2012-10-02 06:47:44 UTC

Build: NetBeans IDE 7.2 (Build 201207171143)
VM: Java HotSpot(TM) Client VM, 14.2-b01, Java(TM) SE Runtime Environment, 1.6.0_16-b01
OS: Windows Vista

Stacktrace: 
java.lang.NullPointerException
   at javax.swing.text.FlowView$LogicalView.getPreferredSpan(FlowView.java:715)
   at javax.swing.text.FlowView.calculateMinorAxisRequirements(FlowView.java:216)
   at javax.swing.text.html.ParagraphView.calculateMinorAxisRequirements(ParagraphView.java:128)
   at javax.swing.text.BoxView.checkRequests(BoxView.java:918)
   at javax.swing.text.BoxView.getMinimumSpan(BoxView.java:551)
   at javax.swing.text.html.ParagraphView.getMinimumSpan(ParagraphView.java:261)

Comment 1 rr151 2012-10-02 06:47:47 UTC

Created attachment 125187 [details]
stacktrace

Comment 2 Jaroslav Havlin 2012-10-05 11:38:34 UTC

Please, can you reproduce this bug, or has it happened only once?

Comment 3 Jaroslav Havlin 2012-10-09 15:53:22 UTC

The error may be caused by content of the help page. Which help were you going to show? Thanks.

Comment 4 rr151 2012-10-09 18:28:06 UTC

(In reply to comment #2)
> Please, can you reproduce this bug, or has it happened only once?

It has not happend again since restarting the program.

Comment 5 rr151 2012-10-09 18:30:56 UTC

(In reply to comment #3)
> The error may be caused by content of the help page. Which help were you going
> to show? Thanks.

I can't remember what help topic(s) I was looking at when the error occurred.

Comment 6 Jaroslav Havlin 2012-10-10 08:27:27 UTC

> > Please, can you reproduce this bug, or has it happened only once?
> 
> It has not happend again since restarting the program.

> > The error may be caused by content of the help page. Which help were you
> > going to show? Thanks.
> 
> I can't remember what help topic(s) I was looking at when the error occurred.

I cannot reproduce it too. It seems to be a random Swing bug.
Closing for now. Please reopen when it happen again and we get some more information about it.
Thank you very much.