urlopen error [WinError 10060] A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond

[mugenishere]

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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 this: [x])
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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2019.04.17. If it's not, read this FAQ entry and update. Issues with outdated version will be rejected.

• I've verified and I assure that I'm running youtube-dl 2019.04.17

Before submitting an issue make sure you have:

• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones
• Checked that provided video/audio/playlist URLs (if any) are alive and playable in a browser

What is the purpose of your issue?

• 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
• Other

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

[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'-v', u'http://www.youtube.com/watch?v=BaW_jenozKcj']
[debug] Encodings: locale cp1251, fs mbcs, out cp866, pref cp1251
[debug] youtube-dl version 2019.04.17
[debug] Python version 2.7.11 - Windows-2003Server-5.2.3790-SP2
[debug] exe versions: ffmpeg N-75573-g1d0487f, ffprobe N-75573-g1d0487f, rtmpdump 2.4
[debug] Proxy map: {}
...
<end of log>

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Sure! Here's the output:

C:\Mugen\somedir>youtube-dl -v -o "C:/Mugen/somedir/test.mp4" https://www.youtube.com/embed/fnExcEbTjSI -f "bestvideo[height<=480] + bestaudio/best[height<=480]"
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', '-o', 'C:/Mugen/somedir/test.mp4', 'https://www.youtube.com/embed/fnExcEbTjSI', '-f', 'bestvideo[height<=480] + bestaudio/best[height<=480]']
[debug] Encodings: locale cp1252, fs utf-8, out utf-8, pref cp1252
[debug] youtube-dl version 2019.04.17
[debug] Python version 3.6.2 (CPython) - Windows-10-10.0.17134-SP0
[debug] exe versions: ffmpeg git-2017-12-29-0c78b6a, ffprobe git-2017-12-29-0c78b6a
[debug] Proxy map: {}
[youtube] fnExcEbTjSI: Downloading webpage
[youtube] fnExcEbTjSI: Downloading video info webpage
[youtube] fnExcEbTjSI: Downloading MPD manifest
[debug] Invoking downloader on 'https://manifest.googlevideo.com/api/manifest/dash/ip/122.171.163.242/key/yt6/itag/0/pl/20/mv/m/source/youtube/ms/au%2Crdu/beids/23806821/mn/sn-ci5gup-cags%2Csn-ci5gup-h55e/sparams/as%2Cei%2Chfr%2Cid%2Cinitcwndbps%2Cip%2Cipbits%2Citag%2Cmm%2Cmn%2Cms%2Cmv%2Cpl%2Cplayback_host%2Crequiressl%2Csource%2Cexpire/expire/1555707786/id/7e71317046d38d22/ipbits/0/signature/ABEA893B298D99A01D963D1E86C42FF91C1420C3.ADF9854424DC0E8616BD491620383CD4409EC0FA/playback_host/r3---sn-ci5gup-cags.googlevideo.com/as/fmp4_audio_clear%2Cwebm_audio_clear%2Cwebm2_audio_clear%2Cfmp4_sd_hd_clear%2Cwebm2_sd_hd_clear/fvip/7/ei/KuO5XJO_D4iaoAOYg4rwAw/requiressl/yes/mm/31%2C29/hfr/all/initcwndbps/916250/mt/1555686045'
[dashsegments] Total fragments: 62
[download] Destination: C:\Mugen\somedir\test.f135.mp4
ERROR: unable to download video data: <urlopen error [WinError 10060] A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond>
Traceback (most recent call last):
File "c:\program files (x86)\python36-32\lib\urllib\request.py", line 1318, in do_open
encode_chunked=req.has_header('Transfer-encoding'))
File "c:\program files (x86)\python36-32\lib\http\client.py", line 1239, in request
self._send_request(method, url, body, headers, encode_chunked)
File "c:\program files (x86)\python36-32\lib\http\client.py", line 1285, in _send_request
self.endheaders(body, encode_chunked=encode_chunked)
File "c:\program files (x86)\python36-32\lib\http\client.py", line 1234, in endheaders
self._send_output(message_body, encode_chunked=encode_chunked)
File "c:\program files (x86)\python36-32\lib\http\client.py", line 1026, in _send_output
self.send(msg)
File "c:\program files (x86)\python36-32\lib\http\client.py", line 964, in send
self.connect()
File "c:\program files (x86)\python36-32\lib\http\client.py", line 1392, in connect
super().connect()
File "c:\program files (x86)\python36-32\lib\http\client.py", line 936, in connect
(self.host,self.port), self.timeout, self.source_address)
File "c:\program files (x86)\python36-32\lib\socket.py", line 722, in create_connection
raise err
File "c:\program files (x86)\python36-32\lib\socket.py", line 713, in create_connection
sock.connect(sa)
TimeoutError: [WinError 10060] A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "c:\program files (x86)\python36-32\lib\site-packages\youtube_dl\YoutubeDL.py", line 1909, in process_info
partial_success = dl(fname, new_info)
File "c:\program files (x86)\python36-32\lib\site-packages\youtube_dl\YoutubeDL.py", line 1854, in dl
return fd.download(name, info)
File "c:\program files (x86)\python36-32\lib\site-packages\youtube_dl\downloader\common.py", line 364, in download
return self.real_download(filename, info_dict)
File "c:\program files (x86)\python36-32\lib\site-packages\youtube_dl\downloader\dash.py", line 48, in real_download
success, frag_content = self._download_fragment(ctx, fragment_url, info_dict)
File "c:\program files (x86)\python36-32\lib\site-packages\youtube_dl\downloader\fragment.py", line 102, in _download_fragment
'http_headers': headers or info_dict.get('http_headers'),
File "c:\program files (x86)\python36-32\lib\site-packages\youtube_dl\downloader\common.py", line 364, in download
return self.real_download(filename, info_dict)
File "c:\program files (x86)\python36-32\lib\site-packages\youtube_dl\downloader\http.py", line 341, in real_download
establish_connection()
File "c:\program files (x86)\python36-32\lib\site-packages\youtube_dl\downloader\http.py", line 109, in establish_connection
ctx.data = self.ydl.urlopen(request)
File "c:\program files (x86)\python36-32\lib\site-packages\youtube_dl\YoutubeDL.py", line 2227, in urlopen
return self._opener.open(req, timeout=self._socket_timeout)
File "c:\program files (x86)\python36-32\lib\urllib\request.py", line 526, in open
response = self._open(req, data)
File "c:\program files (x86)\python36-32\lib\urllib\request.py", line 544, in _open
'_open', req)
File "c:\program files (x86)\python36-32\lib\urllib\request.py", line 504, in _call_chain
result = func(*args)
File "c:\program files (x86)\python36-32\lib\site-packages\youtube_dl\utils.py", line 1140, in https_open
req, **kwargs)
File "c:\program files (x86)\python36-32\lib\urllib\request.py", line 1320, in do_open
raise URLError(err)
urllib.error.URLError: <urlopen error [WinError 10060] A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond>

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Description of your issue, suggested solution and other information

• There are no credentials required for this.
• How to reproduce: Just run this command on cmd prompt (I'm running elevated privileges but this issue is reproducible even on a normal cmd prompt):

youtube-dl -v -o "C:/Mugen/somedir/test.mp4" https://www.youtube.com/embed/fnExcEbTjSI -f "bestvideo[height<=480] + bestaudio/best[height<=480]"

• This issue is consistently happening for some of my URLs (about 10-15%). The URL provided in here is an example where it's consistently reproducible.

• I also tried downloading by removing that -f command at the end. In this case it starts the download at 1.5% and then terminates.

[dstftw]

Most likely a network issue on your side.