HTTP: attempt to connect to 127.0.0.1:3000 (localhost) failed · Issue #2855 · mastodon/mastodon · GitHub
can't access to http://127.0.0.1:4200 after compiling npm start successfully · Issue #1610 · akveo/ngx-admin · GitHub
dash live with mp4box generated .m4s and .mpd doesn't work · Issue #1008 · Dash-Industry-Forum/dash.js · GitHub
![HELP] Failed handshake to server http://127.0.0.1:30120/ - Failed to connect to 127.0.0.1 port 30120: Connection refused - CURL error code 7 (Couldn't connect to server) - Discussion - Cfx.re Community HELP] Failed handshake to server http://127.0.0.1:30120/ - Failed to connect to 127.0.0.1 port 30120: Connection refused - CURL error code 7 (Couldn't connect to server) - Discussion - Cfx.re Community](https://forum.cfx.re/uploads/default/original/4X/7/3/9/739ac4a7fd332ee110839e67f1f16f8ff149c999.png)
HELP] Failed handshake to server http://127.0.0.1:30120/ - Failed to connect to 127.0.0.1 port 30120: Connection refused - CURL error code 7 (Couldn't connect to server) - Discussion - Cfx.re Community
![Error connecting to the service protocol: WebSocketChannelException: WebSocketChannelException: HttpException: , uri = http://127.0.0.1:8106/ws · Issue #13747 · flutter/flutter · GitHub Error connecting to the service protocol: WebSocketChannelException: WebSocketChannelException: HttpException: , uri = http://127.0.0.1:8106/ws · Issue #13747 · flutter/flutter · GitHub](https://user-images.githubusercontent.com/593305/36803368-a43f7872-1cb7-11e8-9e34-290c9b2b3e53.png)
Error connecting to the service protocol: WebSocketChannelException: WebSocketChannelException: HttpException: , uri = http://127.0.0.1:8106/ws · Issue #13747 · flutter/flutter · GitHub
![Failed to spawn ngrokrequest to http://127.0.0.1:4041/api/tunnels failed, reason: read ECONNRESET - Stack Overflow Failed to spawn ngrokrequest to http://127.0.0.1:4041/api/tunnels failed, reason: read ECONNRESET - Stack Overflow](https://i.stack.imgur.com/7lm5z.png)
Failed to spawn ngrokrequest to http://127.0.0.1:4041/api/tunnels failed, reason: read ECONNRESET - Stack Overflow
can't access to http://127.0.0.1:4200 after compiling npm start successfully · Issue #1610 · akveo/ngx-admin · GitHub
![Error connecting to the service protocol: WebSocketChannelException: WebSocketChannelException: HttpException: , uri = http://127.0.0.1:8106/ws · Issue #13747 · flutter/flutter · GitHub Error connecting to the service protocol: WebSocketChannelException: WebSocketChannelException: HttpException: , uri = http://127.0.0.1:8106/ws · Issue #13747 · flutter/flutter · GitHub](https://user-images.githubusercontent.com/39187027/55628447-04a10480-57b1-11e9-952c-9b0fadf59d31.png)
Error connecting to the service protocol: WebSocketChannelException: WebSocketChannelException: HttpException: , uri = http://127.0.0.1:8106/ws · Issue #13747 · flutter/flutter · GitHub
![HELP] Failed handshake to server http://127.0.0.1:30120/ - Failed to connect to 127.0.0.1 port 30120: Connection refused - CURL error code 7 (Couldn't connect to server) - Discussion - Cfx.re Community HELP] Failed handshake to server http://127.0.0.1:30120/ - Failed to connect to 127.0.0.1 port 30120: Connection refused - CURL error code 7 (Couldn't connect to server) - Discussion - Cfx.re Community](https://forum.cfx.re/uploads/default/original/4X/5/0/d/50d46a515a31b3874633d0e182ffe21ca66baa8d.jpeg)
HELP] Failed handshake to server http://127.0.0.1:30120/ - Failed to connect to 127.0.0.1 port 30120: Connection refused - CURL error code 7 (Couldn't connect to server) - Discussion - Cfx.re Community
![Error connecting to the service protocol: WebSocketChannelException: WebSocketChannelException: HttpException: , uri = http://127.0.0.1:8106/ws · Issue #13747 · flutter/flutter · GitHub Error connecting to the service protocol: WebSocketChannelException: WebSocketChannelException: HttpException: , uri = http://127.0.0.1:8106/ws · Issue #13747 · flutter/flutter · GitHub](https://user-images.githubusercontent.com/176655/50666491-642f1e80-0fce-11e9-9ff0-5aef6b9744ee.jpg)
Error connecting to the service protocol: WebSocketChannelException: WebSocketChannelException: HttpException: , uri = http://127.0.0.1:8106/ws · Issue #13747 · flutter/flutter · GitHub
![Failed to bind to address https://127.0.0.1:5001: address already in use · Issue #2001 · dotnet/core · GitHub Failed to bind to address https://127.0.0.1:5001: address already in use · Issue #2001 · dotnet/core · GitHub](https://user-images.githubusercontent.com/6244839/89113514-31fed080-d440-11ea-8274-55672e05941b.png)
Failed to bind to address https://127.0.0.1:5001: address already in use · Issue #2001 · dotnet/core · GitHub
![when i run "cleos --wallet-url http://localhost:8899"--Error 3200006: invalid http request, i already set "http-validate-host = 0" · Issue #5246 · EOSIO/eos · GitHub when i run "cleos --wallet-url http://localhost:8899"--Error 3200006: invalid http request, i already set "http-validate-host = 0" · Issue #5246 · EOSIO/eos · GitHub](https://user-images.githubusercontent.com/11773000/44138719-6c68be58-a0a7-11e8-9669-ca1ebc54d227.png)