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JTable problem in different JDKs  RSS feed

 
Sri Rangan
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Our swing application is written and running smoothly in JDK1.2.2 (developed in VAJ) and now we tried to run the same app in JRE1.4
We have a JTable and we have a custom model class which extends from DefaultTableModel and implements PropertyChangeListener. This custom table model allows us to have row based approach.
When we run on JDK1.4, we get NullpointerException - getColumnCount() null , getRowCount() null.
I tried commenting the code to create the rows.It is creating the colums as below:

But the same stuff running fine in JDK1.2.2.
Thanks in Advance.
Thanks
Sri
 
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