Odd output. Over my head, thought I'd pop it up here. #1759

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opened 2026-02-20 22:16:56 -05:00 by deekerman · 1 comment

deekerman commented

2026-02-20 22:16:56 -05:00

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Originally created by @jamesaepp on GitHub (Jan 22, 2014).

Command Issued:

youtube-dl -A -t -c http://www.youtube.com/playlist?list=listid

Output:

.
.

[download] Downloading video #4 of 21
[youtube] DzyKSyLavUY: Downloading webpage
[youtube] DzyKSyLavUY: Downloading video info webpage
[youtube] DzyKSyLavUY: Extracting video information
[youtube] DzyKSyLavUY: Encrypted signatures detected.
[youtube] DzyKSyLavUY: Downloading js player vflbxes4n
WARNING: Writing cache to u'/home/james/.cache/youtube-dl/youtube-sigfuncs/js_vflbxes4n_86.json' failed: Traceback (most recent call last):
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 345, in _extract_signature_function
write_json_file(cache_spec, cache_fn)
File "/usr/local/bin/youtube-dl/youtube_dl/utils.py", line 216, in write_json_file
with open(fn, 'wb') as f:
IOError: [Errno 13] Permission denied: u'/home/james/.cache/youtube-dl/youtube-sigfuncs/js_vflbxes4n_86.json'

[youtube] DzyKSyLavUY: Downloading js player vflbxes4n
WARNING: Writing cache to u'/home/james/.cache/youtube-dl/youtube-sigfuncs/js_vflbxes4n_87.json' failed: Traceback (most recent call last):
File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 345, in _extract_signature_function
write_json_file(cache_spec, cache_fn)
File "/usr/local/bin/youtube-dl/youtube_dl/utils.py", line 216, in write_json_file
with open(fn, 'wb') as f:
IOError: [Errno 13] Permission denied: u'/home/james/.cache/youtube-dl/youtube-sigfuncs/js_vflbxes4n_87.json'

. .

Originally created by @jamesaepp on GitHub (Jan 22, 2014). Command Issued: youtube-dl -A -t -c http://www.youtube.com/playlist?list=listid Output: . . <output omited> [download] Downloading video #4 of 21 [youtube] DzyKSyLavUY: Downloading webpage [youtube] DzyKSyLavUY: Downloading video info webpage [youtube] DzyKSyLavUY: Extracting video information [youtube] DzyKSyLavUY: Encrypted signatures detected. [youtube] DzyKSyLavUY: Downloading js player vflbxes4n WARNING: Writing cache to u'/home/james/.cache/youtube-dl/youtube-sigfuncs/js_vflbxes4n_86.json' failed: Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 345, in _extract_signature_function write_json_file(cache_spec, cache_fn) File "/usr/local/bin/youtube-dl/youtube_dl/utils.py", line 216, in write_json_file with open(fn, 'wb') as f: IOError: [Errno 13] Permission denied: u'/home/james/.cache/youtube-dl/youtube-sigfuncs/js_vflbxes4n_86.json' [youtube] DzyKSyLavUY: Downloading js player vflbxes4n WARNING: Writing cache to u'/home/james/.cache/youtube-dl/youtube-sigfuncs/js_vflbxes4n_87.json' failed: Traceback (most recent call last): File "/usr/local/bin/youtube-dl/youtube_dl/extractor/youtube.py", line 345, in _extract_signature_function write_json_file(cache_spec, cache_fn) File "/usr/local/bin/youtube-dl/youtube_dl/utils.py", line 216, in write_json_file with open(fn, 'wb') as f: IOError: [Errno 13] Permission denied: u'/home/james/.cache/youtube-dl/youtube-sigfuncs/js_vflbxes4n_87.json' <output omited> . .

deekerman closed this issue

2026-02-20 22:16:57 -05:00

deekerman commented

2026-02-20 22:16:58 -05:00

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Owner

@phihag commented on GitHub (Jan 22, 2014):

It looks like you've run youtube-dl with elevated privileges in the same directory. The output is harmless, run

sudo rm -rf ~/.cache/youtube-dl

once to make it go away. Unless you are updating youtube-dl, do not run it with sudo.

@phihag commented on GitHub (Jan 22, 2014): It looks like you've run youtube-dl with elevated privileges in the same directory. The output is harmless, run ``` sudo rm -rf ~/.cache/youtube-dl ``` once to make it go away. Unless you are updating youtube-dl, do not run it with sudo.

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Reference

starred/youtube-dl#1759

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