"null" while trying to place order

ELLORA · May 2022

---- This is my code -----

OrderParams orderParams = new OrderParams();
orderParams.quantity = 1;
orderParams.orderType = Constants.ORDER_TYPE_MARKET;
orderParams.tradingsymbol = NSEUniverse.tokenToName.get(token);
orderParams.product = Constants.PRODUCT_CNC;
orderParams.exchange = Constants.EXCHANGE_NSE;
orderParams.transactionType = Constants.TRANSACTION_TYPE_BUY;
orderParams.validity = Constants.VALIDITY_DAY;

-----And this is the exception thrown-----

SHYAMMETL
com.zerodhatech.kiteconnect.kitehttp.exceptions.InputException
null
null
at com.zerodhatech.kiteconnect.kitehttp.KiteResponseHandler.dealWithException(KiteResponseHandler.java:54)
at com.zerodhatech.kiteconnect.kitehttp.KiteResponseHandler.handle(KiteResponseHandler.java:20)
at com.zerodhatech.kiteconnect.kitehttp.KiteRequestHandler.postRequest(KiteRequestHandler.java:86)
at com.zerodhatech.kiteconnect.KiteConnect.placeOrder(KiteConnect.java:319)
at Trader.run(Trader.java:76)
at java.util.TimerThread.mainLoop(Unknown Source)

SRIJAN · May 2022

You can catch and print the exception to know the exact exception.

ELLORA · May 2022

I am trying to place an order using the java API and after typecasting the exception got the error code and message below.

ERROR CODE - 400
MSG - TOTP is mandatory to place orders on third-party apps. Learn how to set up TOTP for your account [here](https://support.zerodha.com/category/your-zerodha-account/login-credentials/login-credentials-of-trading-platforms/articles/time-based-otp-setup-mobile-only).

Currently I have 2-FA, but a fixed second factor. Is something like Google Authenticator mandatory for placing programmatic orders ??

rakeshr · May 2022

Go through this thread.

ELLORA · May 2022

Looks like it is mandatory and now order got placed.

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"null" while trying to place order