title: fopen(http://127.0.0.1:3000/.well-known/mercure/): failed to open stream: Failed to parse address &quot;0&quot;
body: <p>I use Symfony 5.1.*. I get this terrible bug, I don't know what's happen, I waste my day for nothing, if any one know something to save my carrier in programming.</p>
  <pre class="lang-yaml prettyprint-override"><code>#.env
  MERCURE_PUBLISH_URL=http://localhost:3000/.well-known/mercure/
  #config/packages/mercure.yaml
  mercure:
      enable_profiler: '%kernel.debug%'
      hubs:
          default:
              url: http://localhost:3000/.well-known/mercure/
              jwt: '%env(MERCURE_JWT_TOKEN)%'
  </code></pre>
  <p>I run the command</p>
  <pre><code> ./mercure --jwt-key='!ChangeMe!' --addr='localhost:3000' --allow-anonymous --cors-allowed-origins='http://localhost:8000'
  </code></pre>