Row selection does not work

I have jtable with some data and in some particular columns checkboxes.
Only one of those columns can be edited. I implemented in my table model a method to pass rows which should be disabled and implemented the functionality in the isCellEditable for disabling the editing.
This works just fine.. but
I have a multiple selection on my table.. but whenever i try to select a row or several rows the row does not get highlighted.. (this worked well before without the editing functionality).
Could anyone explain how to get around this problem? or where the problem exactlly is
thnx in advance
stfndln

show the code.. the problem is within..

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