mwelk11 mwelk11 - 1 year ago 300
Javascript Question

NodeJS/mySQL - ER_ECCESS_DENIED_ERROR Access denied for user 'root'@'localhost' (using password: YES)

I am attempting to connect to mySQL through a NodeJS file, but I receive the following error:

{ Error: ER_ACCESS_DENIED_ERROR: Access denied for user 'root'@'localhost' (using password: YES)
at Handshake.Sequence._packetToError (/home/matthew/Node/mySqlTest/node_modules/mysql/lib/protocol/sequences/Sequence.js:30:14)
at Handshake.ErrorPacket (/home/matthew/Node/mySqlTest/node_modules/mysql/lib/protocol/sequences/Handshake.js:67:18)
at Protocol._parsePacket (/home/matthew/Node/mySqlTest/node_modules/mysql/lib/protocol/Protocol.js:197:24)
at Parser.write (/home/matthew/Node/mySqlTest/node_modules/mysql/lib/protocol/Parser.js:62:12)
at Protocol.write (/home/matthew/Node/mySqlTest/node_modules/mysql/lib/protocol/Protocol.js:37:16)
at Socket.ondata (_stream_readable.js:555:20)
at emitOne (events.js:101:20)
at Socket.emit (events.js:188:7)
at readableAddChunk (_stream_readable.js:176:18)
at Socket.Readable.push (_stream_readable.js:134:10)
at Protocol._enqueue (/home/matthew/Node/mySqlTest/node_modules/mysql/lib/protocol/Protocol.js:110:26)
at Protocol.handshake (/home/matthew/Node/mySqlTest/node_modules/mysql/lib/protocol/Protocol.js:42:41)
at Connection.connect (/home/matthew/Node/mySqlTest/node_modules/mysql/lib/Connection.js:81:18)
at Connection._implyConnect (/home/matthew/Node/mySqlTest/node_modules/mysql/lib/Connection.js:222:10)
at Connection.query (/home/matthew/Node/mySqlTest/node_modules/mysql/lib/Connection.js:137:8)
at Object.<anonymous> (/home/matthew/Node/mySqlTest/index.js:11:12)
at Module._compile (module.js:570:32)
at Object.Module._extensions..js (module.js:579:10)
at Module.load (module.js:487:32)
at tryModuleLoad (module.js:446:12)
errno: 1045,
sqlState: '28000',
fatal: true }

The weird thing is that I can connect fine through the terminal by running
mysql -u root -p
. I only get this error when running my javascript. I have been all over Google and StackOverflow, but still have not found a solution that works. I am using MySQL 5.7.16 on Ubuntu 16.04.1 on a VIRTUAL MACHINE. Not sure if a VM makes a difference here. My Javascript code is below:

'use strict';

var mysql = require('mysql');

var connection = mysql.createConnection({
host: 'localhost',
user: 'root',
password: 'password'

'SELECT "foo" AS first_field, "bar" AS second_field',
function(err, results, fields) {

I have tried using 'locahost' as well as '' in my javascript. I have a 'root' user for both 'localhost' and '' in mySql.user table and I am able to see this by executing
SELECT user, host FROM mysql.user WHERE user='root';

I have added privileges to 'root' user by executing this:

GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY 'password';

I ran the above on as well. I have also tried this:


I have attempted to reset the root password like this:

I have run
after each attempt. I've stopped and restarted mySQL. I have uninstalled mySQL completely and reinstalled.

All to no avail. I receive the access denied error every time I try to run the javascript, but I have absolutely no issues when I connect to mySQL via the terminal.

Any ideas?

Answer Source

Turns out I just needed to use a more recent version of mySQL. In my package.json, I was using version 2.0.0. I changed the version to 2.10.2 and all is well.

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