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the error message print on JFram on Net beans

 
Tarfa man
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Hello there,


I face problem when design the user interface the error message is print on gui (JFrame)
like this




What is the problem ?
really this problem is affect on my work .

I download a new version of Net beans but same problem is still found.


the error message






please ,the case is very critical on my work.
 
Michael Dunn
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> the error message...

> What is the problem ? 

the problem is clearly stated on the first
line of the error message
 
Tarfa man
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Michael Dunn wrote:> the error message...

> What is the problem ? 

the problem is clearly stated on the first
line of the error message

How I can solve it?
 
Darryl Burke
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The solution is in the second sentence on the first line of the error message.
 
Tarfa man
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the code is work now ..
after remove this line

noQ3_1.setModel(null);

but is still the error is print on JFrame , I can't deal with components ,,
please help me..

this is the second time of re-write my code ,

My OS is Win 7 and NB 7.1.2
 
Michael Dunn
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> How I can solve it? 

read the error message
go where it points you
fix what it tells you

 
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