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null pointer exception when clicking on JCheckbox

 
sonali majumdar
Greenhorn
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Hi all,
I have overridden the JTable Header of my JTable to show a JCheckbox. I get this error each time I select/deselect. This error is only on JRE1.6. It does not occur on JRE1.5.
Let me know if anybody has faced a similar problem and what is the solution ?
 
Michael Dunn
Ranch Hand
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checkbox in header works OK for me, using java 1.6.0_20/vista
 
Rob Spoor
Sheriff
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Chrome Eclipse IDE Java Windows
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How about showing an SSCCE?
 
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