dosubot[bot] commented on issue #29913:
URL: https://github.com/apache/superset/issues/29913#issuecomment-2282724389

   <!-- Answer -->
   To resolve the `ECONNRESET` errors when proxying requests, ensure the 
following:
   
   1. **Backend Server Accessibility**: Verify that the backend server at 
`http://129.226.215.20:8088` is running and accessible. You can check this by 
directly accessing the URL in your browser or using a tool like `curl`:
       ```bash
       curl http://129.226.215.20:8088
       ```
   
   2. **Network Issues**: Ensure there are no network issues or firewalls 
blocking the connection between your frontend and the backend server.
   
   3. **Proxy Configuration**: Double-check your proxy configuration in 
`webpack.proxy-config.js` to ensure it correctly points to the backend URL:
       ```javascript
       const { supersetPort = 8088, superset: supersetUrl = 
'http://129.226.215.20:8088' } = parsedEnvArg();
       const backend = (supersetUrl || 
`http://localhost:${supersetPort}`).replace(
         '//+$/',
         '',
       ); // strip ending backslash
       ```
   
   4. **Restart Frontend Server**: After verifying the backend is running and 
the configuration is correct, restart the frontend development server:
       ```bash
       npm run dev-server -- --env=--superset=http://129.226.215.20:8088
       ```
   
   5. **Enable Detailed Logging**: Enable detailed logging for the proxy 
middleware to get more insights into the connection issues. Modify the 
`webpack.config.js` to include detailed logging:
       ```javascript
       config.devServer = {
         // other configurations
         client: {
           logging: 'debug', // Change this to 'debug' for more detailed logs
         },
       };
       ```
   
   6. **Check Logs**: Check the logs for additional error messages that might 
provide more insight into the problem.
   
   By following these steps, you should be able to resolve the `ECONNRESET` 
errors and get the proxy functioning properly 
<sup>[[1]](https://github.com/apache/superset/blob/master/superset-frontend/webpack.proxy-config.js)</sup><sup>[[2]](https://github.com/apache/superset/blob/master/docs/docs/configuration/configuring-superset.mdx)</sup><sup>[[3]](https://github.com/apache/superset/blob/master/superset-frontend/webpack.config.js)</sup>.
   
   
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