RPC: getconnectioncount error

[AlexChien]

curl -d '{"jsonrpc":"2.0","id":"1","method":"getconnectioncount","params":[]}' http://127.0.0.1:20332
{"jsonrpc":"2.0","id":"1","error":{"code":-32601,"message":"Method not found","data":"   at AntShares.Network.RPC.RpcServer.InternalCall(String method, JArray _params)\n   at AntShares.Network.RPC.RpcServer.ProcessRequest(JObject request)"}}

[erikzhang]

The published version of peer does not support this command "getconnectioncount".
If you need to use it, you have to build the latest version master on windows or coreclr on linux.