JTable goes invisible

Ive generated a JTable on base of records from database table is added in a panel and panel is added in a JTabbedPane. when I execute the query first JTable displays... but when I resize the Frame or minimize it and maximize again then JTable goes partially invisible .. i guess it is because of some problem with component paint method.. Ive tried
calling repaint()
validate
doalyout
but none of these works
can any one help me...

send me your code, just made a program myself where i generate a jtable from info from an oracle database and it works fine, whether i resize the frame or not, send to [email protected]
Sincerely,
Nick

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