CLP: error: getaddrinfo enotfound http://x.x.x.x/

Problem Description:

Use nodejs to connect to the MySQL database of ECs and execute the JS file. The error is as follows:

Error: getaddrinfo ENOTFOUND http://x.x.x.x/
{
  errno: -3008,
  code: 'ENOTFOUND',
  syscall: 'getaddrinfo',
  hostname: 'http://x.x.x.x/',
  fatal: true
}

resolvent:

In the createconnection method, the host can write the domain name or server IP address