YouTube.com: Unsupported JS expression

[ghost]

Command:
[root@convert-server mp3_data]# youtube-dl --output "test.mp3" https://www.youtube.com/watch?v=JGwWNGJdvx8 --extract-audio --audio-format mp3 --audio-quality 6 --verbose
Result:
[debug] System config: [] [debug] User config: [] [debug] Custom config: [] [debug] Command-line args: [u'--output', u'test.mp3', u'https://www.youtube.com/watch?v=JGwWNGJdvx8', u'--extract-audio', u'--audio-format', u'mp3', u'--audio-quality', u'6', u'--verbose'] [debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8 [debug] youtube-dl version 2017.05.14 [debug] Python version 2.7.5 - Linux-3.10.0-514.16.1.el7.x86_64-x86_64-with-centos-7.3.1611-Core [debug] exe versions: ffmpeg 2.6.8, ffprobe 2.6.8 [debug] Proxy map: {} [youtube] JGwWNGJdvx8: Downloading webpage [youtube] JGwWNGJdvx8: Downloading video info webpage [youtube] JGwWNGJdvx8: Extracting video information [youtube] {22} signature length 43.42, html5 player vfl8jhACg [youtube] JGwWNGJdvx8: Downloading player https://www.youtube.com/yts/jsbin/player-vfl8jhACg/en_US/base.js ERROR: Signature extraction failed: Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1162, in _decrypt_signature video_id, player_url, s File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1085, in _extract_signature_function cache_res = res(test_string) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1138, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 254, in resf res, abort = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 55, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 211, in interpret_expression raise ExtractorError('Unsupported JS expression %r' % expr) ExtractorError: Unsupported JS expression u'oE["do"](a,67)'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output. (caused by ExtractorError(u'Unsupported JS expression u\'oE["do"](a,67)\'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.',)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output. Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1162, in _decrypt_signature video_id, player_url, s File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1085, in _extract_signature_function cache_res = res(test_string) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1138, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 254, in resf res, abort = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 55, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 211, in interpret_expression raise ExtractorError('Unsupported JS expression %r' % expr) ExtractorError: Unsupported JS expression u'oE["do"](a,67)'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output. Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 760, in extract_info ie_result = ie.extract(url) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 433, in extract ie_result = self._real_extract(url) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1755, in _real_extract encrypted_sig, video_id, player_url, age_gate) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1172, in _decrypt_signature 'Signature extraction failed: ' + tb, cause=e) ExtractorError: Signature extraction failed: Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1162, in _decrypt_signature video_id, player_url, s File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1085, in _extract_signature_function cache_res = res(test_string) File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 1138, in <lambda> return lambda s: initial_function([s]) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 254, in resf res, abort = self.interpret_statement(stmt, local_vars) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 55, in interpret_statement v = self.interpret_expression(expr, local_vars, allow_recursion) File "/usr/local/bin/youtube-dl/youtube_dl/jsinterp.py", line 211, in interpret_expression raise ExtractorError('Unsupported JS expression %r' % expr) ExtractorError: Unsupported JS expression u'oE["do"](a,67)'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output. (caused by ExtractorError(u'Unsupported JS expression u\'oE["do"](a,67)\'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.',)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.