AWS Lambda + Node.js で MySQLへのDBコネクションを切断する際の注意点

ERROR	Uncaught Exception 	
{
    "errorType": "Error",
    "errorMessage": "Quit inactivity timeout",
    "code": "PROTOCOL_SEQUENCE_TIMEOUT",
    "fatal": true,
    "timeout": 30000,
    "stack": [
        "Error: Quit inactivity timeout",
        "    at Quit.<anonymous> (/var/task/node_modules/mysql/lib/protocol/Protocol.js:160:17)",
        "    at Quit.emit (node:events:517:28)",
        "    at Quit.emit (node:domain:489:12)",
        "    at Quit._onTimeout (/var/task/node_modules/mysql/lib/protocol/sequences/Sequence.js:124:8)",
        "    at Timer._onTimeout (/var/task/node_modules/mysql/lib/protocol/Timer.js:32:23)",
        "    at listOnTimeout (node:internal/timers:569:17)",
        "    at process.processTimers (node:internal/timers:512:7)"
    ]
}

import mysql from 'mysql';

# MySQLへのコネクション作成
const dbConnectionToMySQL = mysql.createConnection({
        host: process.env.DBAPI_HOST,
        user: process.env.DBAPI_USER,
        password: process.env.DBAPI_PASSWORD,
        database: process.env.DBAPI_DATABASE,
      });

  try {
　　　　# 各種処理
  } catch (e) {
　　　　# エラー処理
    throw e;
  } finally {
    # MySQLへのコネクションを終了
    await dbConnectionToMySQL.end();
  }

finally {
    # MySQLへのコネクションを終了
    await dbConnectionToMySQL.end();
  }

finally {
    # MySQLへのコネクションを破棄
    await dbConnectionToMySQL.destroy();
  }