ConnectionError: HTTPConnectionPool: Max retries exceeded
See original GitHub issueConnectionError: HTTPConnectionPool(host='x86_64-conda_cos6-linux-gnu', port=8050): Max retries exceeded with url: /_alive_a3a79a8c-7956-4602-96cc-f8f88ec33619 (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f4dd6f53a58>: Failed to establish a new connection: [Errno -2] Name or service not known'))
I’m trying to run the demo code as shown here
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- Created 3 years ago
- Reactions:2
- Comments:11 (2 by maintainers)
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If you don’t have sudo priviledges and are running remotely, I was able to just specify host name:
app.run_server(mode="inline", host = "localhost")
I was getting this primary error with the demo code that the OP referenced!
ConnectionRefusedError: [WinError 10061] No connection could be made because the target machine actively refused it
and the secondary error
_ConnectionError: HTTPConnectionPool(host=‘127.0.0.1’, port=8050): Max retries exceeded with url: /alive_76071299-760d-44ff-82d5-83aca0100737 (Caused by NewConnectionError(‘<urllib3.connection.HTTPConnection object at 0x000001F28514E348>: Failed to establish a new connection: [WinError 10061] No connection could be made because the target machine actively refused it’))
I set debug to False in run_server(…) to fix my error:
I appreciate that the OP’s error message is different (yet similiar?) but that may be because of different environment setups? :
Anyway, its worth a try - apologies if I got it wrong and hijacked this thread!