[WS] WebSocket listening on 3001
[DB] Connecting to MySQL...
Ignoring invalid configuration option passed to Connection: acquireTimeout. This is currently a warning, but in future versions of MySQL2, an error will be thrown if you pass an invalid configuration option to a Connection
node:events:502
      throw er; // Unhandled 'error' event
      ^

Error: listen EADDRINUSE: address already in use :::3001
    at Server.setupListenHandle [as _listen2] (node:net:1908:16)
    at listenInCluster (node:net:1965:12)
    at Server.listen (node:net:2067:7)
    at new WebSocketServer (/home/ubuntu/hongbao-api/node_modules/ws/lib/websocket-server.js:106:20)
    at Object.<anonymous> (/home/ubuntu/hongbao-api/server.js:315:11)
    at Module._compile (node:internal/modules/cjs/loader:1521:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1623:10)
    at Module.load (node:internal/modules/cjs/loader:1266:32)
    at Module._load (node:internal/modules/cjs/loader:1091:12)
    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:164:12)
Emitted 'error' event on WebSocketServer instance at:
    at Server.emit (node:events:524:28)
    at emitErrorNT (node:net:1944:8)
    at process.processTicksAndRejections (node:internal/process/task_queues:82:21) {
  code: 'EADDRINUSE',
  errno: -98,
  syscall: 'listen',
  address: '::',
  port: 3001
}

Node.js v20.20.2