[SQL0181] Value in date, time, or timestamp string not valid.

I am getting the following exception when looping through my resultset when I encounter the following error:
Billing.buildItemTable(): SQLException2 = [SQL0181] Value in date, time, or timestamp string not valid.

The while loop runs successfully over 240+ times before the exception is thrown.  The last logging statement I see is "row added!" so it seems that the code is throwing an exception when trying list.next().    I first thought maybe the date value I was getting from the database was invalid, but I'm containing that exception in its own try / catch block.  I've looked in the database (DB2) and cannot see anything wrong with the next row's data.  

Here's  the code:

            try {
                  while(counter < maxCount && list.next()) {
                        counter++;

                        // Format the date.
                        try {
                              System.out.println("getting date...");
                              Date date = list.getDate("TRANSACTION_DATE");
                              System.out.println("date = " + date);
                              sDate = DATEFORMAT.format(date );
                        }
                        catch(SQLException sqle) {
                              System.out.println("Billing.buildItemTable(): SQLException1 = " + sqle.getMessage());
                        }
            
                        String transType = list.getString("TYPE").trim();
                        System.out.println("transType = " + transType);

                        int sequence = list.getInt("SEQUENCE_NUMBER");
                        System.out.println("sequence = " + sequence);

                        String transNumber = list.getString("NUMBER");
                        System.out.println("transNumber = " + transNumber);
            
                        String po = list.getString("PO");
                        System.out.println("po = " + po);

                        String description = list.getString("DESCRIPTION");
                        System.out.println("description = " + description);

                        // Add the item.
                        System.out.println("adding row...");
                        items.addRow(sDate, transNumber, po, description);
                        System.out.println("row added!");
                  }
            }
            catch(SQLException sqle) {
                  System.out.println("Billing.buildItemTable(): SQLException2 = " + sqle.getMessage());
            }