title: Finished with error: Failed to establish connection with the application instance in Chrome
body: <blockquote>
    <p>Finished with error: Failed to establish connection with the
    application instance in Chrome. This can happen if the websocket
    connection used by the web tooling is unabled to correctly establish a
    connection, for example due to a firewall.</p>
  </blockquote>
  
  <p>I am getting this error, when i run my flutter web application on chrome browser. I also turn off my firewall even that didnot solve my problem.</p>
  
  <p>What will be the possible solution for resolving this eror?</p>
  
  <p>Temporary Solution that i had tried:<br>
  I had this issue when upgrading from dev channel to master channel.
  what i did to solve this problem is, clean my project's build cache (flutter clean), then run the project using release mode.
  After that, i can run it on debug mode.</p>
  
  <p>This solved my problem temporarily and after some time i still facing the same issue. And implementing the same solution didnot solve my problem.</p>