FULL PRODUCT VERSION :
J2SEE 6

ADDITIONAL OS VERSION INFORMATION :
Windows XP

A DESCRIPTION OF THE PROBLEM :
An api that worked fine in JDK 1.4  is not working corrctly in 1.6:
The method getFirstIndex() on ListSelectionEvent. that has been working fine on JDK 1.4 is no longer working as expected in 1.6

The following code when executed  in 1.4 return the row whose selection status was changed.

        if (e.getSource() == orderTable.getSelectionModel() &&
            e.getFirstIndex() >= 0 && e.getValueIsAdjusting() == false)
        {
           .....
         .......
        }

In JDK i.6 if the event is triggered programatically likke by aTable.selectAll(),  e.getFirstIndex()  returns a -1 instead of the row that was selected.

REGRESSION.  Last worked in version 1.4.2

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Assign a  selection model to a jtable like
    ListSelectionModel selectionModel = orderTable.getSelectionModel();
    selectionModel.setSelectionMode(ListSelectionModel.
                                    MULTIPLE_INTERVAL_SELECTION);
//    jScrollPane1.getViewport().add(orderTable, null);
//        orderTable.setOpaque(false);
    selectionModel.addListSelectionListener(new ListSelectionListener()
    {
      public void valueChanged(ListSelectionEvent e)
      {
        if (e.getSource() == orderTable.getSelectionModel() &&
            e.getFirstIndex() >= 0 && e.getValueIsAdjusting() == false)
        {
          setOrderTableButtonState();
          setSkuForPendingOrderDataVector(
              convertSkuDetailForPendingAllocationOrderListToVector(
              getSkuDetailForSelectedSplitOrders()));

        }

      }
    });



and  ten programatically call selectAl() on the table.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
 e.getFirstIndex() returns0
ACTUAL -
 e.getFirstIndex() e.getFirstIndex() returns -1

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
                                    MULTIPLE_INTERVAL_SELECTION);
//    jScrollPane1.getViewport().add(orderTable, null);
//        orderTable.setOpaque(false);
    selectionModel.addListSelectionListener(new ListSelectionListener()
    {
      public void valueChanged(ListSelectionEvent e)
      {
        if (e.getSource() == orderTable.getSelectionModel() &&
            e.getFirstIndex() >= 0 && e.getValueIsAdjusting() == false)
        {
          setOrderTableButtonState();
          setSkuForPendingOrderDataVector(
              convertSkuDetailForPendingAllocationOrderListToVector(
              getSkuDetailForSelectedSplitOrders()));

        }

      }
    });


 orderTable.selectAll();

---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
Dont use  e.getFirstIndex() >= 0