title: Unhandled rejection SequelizeConnectionRefusedError
body: <p>I run my <code>server.js</code> file and I have this error:</p>
  
  <pre><code>Unhandled rejection SequelizeConnectionRefusedError: connect ECONNREFUSED 127.0.0.1:4305
  at Handshake._callback &gt;   (c:\Users\alexa\WebstormProjects\ToDoSPA\node_modules\sequelize\lib\dialects\mysql\connection-manager.js:76:20)
  at Handshake.Sequence.end (c:\Users\alexa\WebstormProjects\ToDoSPA\node_modules\mysql\lib\protocol\sequences\Sequence.js:96:24)
  at Protocol.handleNetworkError (c:\Users\alexa\WebstormProjects\ToDoSPA\node_modules\mysql\lib\protocol\Protocol.js:364:14)
  at Connection._handleNetworkError (c:\Users\alexa\WebstormProjects\ToDoSPA\node_modules\mysql\lib\Connection.js:384:18)
  at emitOne (events.js:77:13)
  at Socket.emit (events.js:169:7)
  at emitErrorNT (net.js:1253:8)
  at doNTCallback2 (node.js:452:9)
  at process._tickCallback (node.js:366:17)
  </code></pre>
  
  <p>I don't understand why I'm getting the above mentioned error.</p>