Youtube "unable to login" HTTP error 404

[rpedrica]

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• You will be asked some questions and requested to provide some information, please read them carefully and answer honestly
• Put an x into all the boxes [ ] relevant to your issue (like that [x])
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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2016.07.22. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.

• [x ] I've verified and I assure that I'm running youtube-dl 2016.07.22

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• At least skimmed through README and most notably FAQ and BUGS sections
• [x ] Searched the bugtracker for similar issues including closed ones

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• [x ] Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
• Question
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The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your issue

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If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Add -v flag to your command line you run youtube-dl with, copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

youtube-dl https://www.youtube.com/watch?v=vUPxVYAnz_E
[debug] System config: []
[debug] User config: [u'--mark-watched', u'--no-playlist', u'-o', u'/home/path/Desktop/videos/youtube/%(uploader)s-%(title)s.%(ext)s', u'-v', u'-f', u'(mp4)[height<560]', u'-n']
[debug] Command-line args: [u'https://www.youtube.com/watch?v=vUPxVYAnz_E']
[debug] Encodings: locale ISO-8859-1, fs ISO-8859-1, out ISO-8859-1, pref ISO-8859-1
[debug] youtube-dl version 2016.07.22
[debug] Python version 2.7.11 - Linux-4.4.14-x86_64-AMD_FX-tm-6350_Six-Core_Processor-with-slackware-14.2
[debug] exe versions: ffmpeg 2.1, ffprobe 2.1
[debug] Proxy map: {}
[youtube] Downloading login page
[youtube] Logging in
WARNING: unable to log in: HTTP Error 404: Not Found
[youtube] vUPxVYAnz_E: Downloading webpage
[youtube] vUPxVYAnz_E: Downloading video info webpage
[youtube] vUPxVYAnz_E: Extracting video information
[youtube] vUPxVYAnz_E: Downloading MPD manifest
[youtube] vUPxVYAnz_E: Marking watched
...
<end of log>

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I've been using 2016.06.26 previously without issue. Today however, youtube-dl will not login to youtube with my details so that the videos can be marked as watched - the error is shown above in the output. The video itself still downloads correctly.

I've updated to 2016.07.22 but the issue persists. I'm using a config file:

--mark-watched
--no-playlist
-o '/home/path/Desktop/videos/youtube/%(uploader)s-%(title)s.%(ext)s'
-v
-f '(mp4)[height<560]'
-n

Neither the config file nor my .netrc has changed from when it worked previously ( as recently as 1 week ago ). I've also logged in manually into youtube through my browser with the same credentials and I've tested video in my browser without issue.

Any assistance is appreciated. Robby

[dstftw]

Add --dump-pages and post the output.

[rpedrica]

Ok so I re-ran my download script and now it's working?!?!?! I did --dump-pages but it outputs a huge amount of code - do you still want this or do you have an idea why the login was not working earlier?

[dstftw]

I only need the output of non-working authentication. If you can't reproduce it anymore then I'm closing the issue.