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NewConnectionError

I have recently started getting the following intermittent error when attempting to upload a CSV file to my Dropbox account from a python application running on a Raspberry Pi

HTTPSConnectionPool(host='content.dropboxapi.com', port=443): Max retries exceeded with url: /2/files/upload (Caused by NewConnectionError('<urllib3.connection.VerifiedHTTPSConnection object at 0x74dd0790>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution'))

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Greg-DB

Based on the "Temporary failure in name resolution" error, it appears this is an issue resolving the "content.dropboxapi.com" hostname. That is resolving successfully for me though, so please check on your DNS server to see what may be causing that failure. You may need to contact your network admin for help.

NickW56

Yes I have looked at that and I can't see anything that would block the DNS. I have added google 8.8.8.8 to the appropriate file and I can successfully ping the host name. If I run the python code manually it seems to work ok but when it runs on boot using rc.local (or other methods) it fails.

Thanks for your help

NickW56

Just tried it again manually and got the same error, tried again a couple of minutes later and it ran ok so its probably nothing to do with how it is being run as I suggested earlier.