Error using monero-wallet-rpc: No wallet file

Question

I am trying to use monerod and monero-wallet-rpc to run RPC commands to my Monero daemon with curl.

I have run monerod and monero-wallet-rpc in the following way:

1) ./monerod

...
You are now synchronized with the network. You may now start monero-wallet-cli.

2) ./monero-wallet-rpc --rpc-bind-port 28083 --wallet-dir monerowallet --disable-rpc-login

This is the RPC monero wallet. It needs to connect to a monero daemon to work correctly. 
...
Starting wallet rpc server

3) curl -X POST http://127.0.0.1:28083/json_rpc -d '{"jsonrpc":"2.0","method":"getbalance","id":"test"}' -H Content-Type: application/json"

The response returns an error that the Monero wallet file cannot be found:

code: -13
message: No wallet file

What step am I missing? My wallet file monerowallet is in the same folder as monerod and monero-wallet-rpc

Answer 1

I was running the command with the wrong parameters. I should have used --wallet-file instead of --wallet-dir when running monero-wallet-rpc.

My corrected command:

./monero-wallet-rpc --rpc-bind-port 28083 --wallet-file monerowallet \
    --password mycoolpassword --disable-rpc-login