title: "errorMessage": Task timed out after 3.00 seconds aws lambda nodejs lambda function trying to connect with RDS
body: <p>I have written a simple lambda function in nodejs which queries data from amazon rds.(note : my lambda and rds are in default vpc with all ports open and also tried increasing time out in lambda)</p>
  
  <p>My issue is when I test my lambda function I get <strong>log output</strong> with the queried data but I am also getting  </p>
  
  <blockquote>
    <p>Execution result: failed with "errorMessage": "2017-07-05T15:05:27.425Z 596fdf39-6193-11e7-9176-f58796899f9b Task timed out after 3.00 seconds"
    }</p>
  </blockquote>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>var mysql = require('mysql');
  
  exports.handler = (event, context) =&gt; {
  var con = mysql.createConnection({
    host: "testdb.cxyzu.ap-south-1.rds.amazonaws.com",
    user: "root",
    password: "mypassword",
    database: "test",
    port: "3306",
   // debug: true
  });
  
  con.connect(function(err) {
    if (err) throw err;
    console.log("Connected!");
   // var sql = "INSERT INTO users (id, name) VALUES (4, 'dfdd')";
  var sql = "select * from test.users";
    con.query(sql, function (err, result) {
      if (err) throw err;
  //    console.log("1 record inserted");
        console.log(result);
    });
  });
  //callback("sucess");
  }</code></pre>
  </div>
  </div>
  </p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>START RequestId: 596fdf39-6193-11e7-9176-f58796899f9b Version: $LATEST
  2017-07-05T15:05:24.680Z 596fdf39-6193-11e7-9176-f58796899f9b Connected!
  2017-07-05T15:05:24.684Z 596fdf39-6193-11e7-9176-f58796899f9b [ RowDataPacket { id: 1, name: 'sai' },
    RowDataPacket { id: 2, name: 'chandra' },
    RowDataPacket { id: 3, name: 'AA' },
    RowDataPacket { id: 4, name: 'dfdd' } ]
  END RequestId: 596fdf39-6193-11e7-9176-f58796899f9b
  REPORT RequestId: 596fdf39-6193-11e7-9176-f58796899f9b Duration: 3003.80 ms Billed Duration: 3000 ms  Memory Size: 1536 MB Max Memory Used: 21 MB 
  2017-07-05T15:05:27.425Z 596fdf39-6193-11e7-9176-f58796899f9b Task timed out after 3.00 seconds</code></pre>
  </div>
  </div>
  </p>