Find Out what columns are in your result set (See related posts)

// assumes your RecordSet is named rs

                ResultSetMetaData md = rs.getMetaData();
                Logger.debug("Col count is " + md.getColumnCount());
                for(int i=1; i < (md.getColumnCount() +1) ; i++) {
                        Logger.debug("Column name is " + i +" "+ md.getColumnName(i));
                }