if(outputRows != null && outputRows.length>0){ for(TableRow outputRow : outputRows){ if (owTimestamp && outputRow.containsKey("timestamp")) { LOG.debug("Timestamp overwrite to - " + sourceDateFormat.format(new Date())); outputRow.set("timestamp", sourceDateFormat.format(new Date())); if (owTimestamp && outputRow.containsKey("timestamp")) { LOG.debug("Timestamp overwrite to - " + sourceDateFormat.format(new Date())); outputRow.set("timestamp", sourceDateFormat.format(new Date()));