Fail to create a new connection for the connection pool.

[karthikeyana]

Fail to create a new connection for the connection pool. Error:{"msg":"Failed to connect to localhost:28015\nFull error:\n{\"code\":\"ECONNREFUSED\",\"errno\":\"ECONNREFUSED\",\"syscall\":\"connect\",\"address\":\"127.0.0.1\",\"port\":28015}","message":"Failed to connect to localhost:28015\nFull error:\n{\"code\":\"ECONNREFUSED\",\"errno\":\"ECONNREFUSED\",\"syscall\":\"connect\",\"address\":\"127.0.0.1\",\"port\":28015}.","isOperational":true}