--headless --screenshot is broken, consistently hangs: Use Web Console :screenshot or Firefox Screenshots source code at --headless
Categories
(Firefox :: Headless, defect)
Tracking
()
People
(Reporter: guest271314, Unassigned)
References
Details
User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:83.0) Gecko/20100101 Firefox/83.0
Steps to reproduce:
firefox --headless --screenshot URL
Actual results:
consistently hangs at Nightly on Linux. For example https://bugzilla.mozilla.org/show_bug.cgi?id=1589978.
Expected results:
Web Console :screenshot and Firefox Screenshots do not hangs, and produce images that capture the entire screen when --fullpage is set as parameter.
Substitute Web Console :screenshot https://developer.mozilla.org/en-US/docs/Tools/Taking_screenshots code or Firefox Screenshots https://screenshots.firefox.com/ code for the current --headless code, if they are different, so that users of Nightly can take screenshots with --headless option.
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Comment 1•4 years ago
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Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:82.0) Gecko/20100101 Firefox/82.0
Hi,
I will move this over to a component so developers can take a look over it. If this is not the correct component please feel free to change it to an appropriate one.
Other related issue: bug 1589978
Thanks for the report.
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Comment 2•4 years ago
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The severity field is not set for this bug.
:bdahl, could you have a look please?
For more information, please visit auto_nag documentation.
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Comment 3•3 years ago
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What happens if you specify a profile directory?
e.g.
mkdir temp-profile
firefox --profile=temp-profile --headless --screenshot URL
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Reporter | |
Comment 4•3 years ago
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Does headless need to occupy an entirely different directory than ~/.mozilla even wherer there is a separate profile directory created with firefox -CreateProfile "webrtc" => firefox -P webrtc --devtools --headless --screenshot URL?
I am on a new OS that I have have not yet completely configured. I have Firefox 83 installed and will also install Nightly and test.
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Reporter | |
Comment 5•3 years ago
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(In reply to Brendan Dahl [:bdahl] (84 regression triage) from comment #3)
What happens if you specify a profile directory?
e.g.mkdir temp-profile firefox --profile=temp-profile --headless --screenshot URL
Executing the exact commands at Firefox 83 yields no screenshot is saved to $HOME, $HOME/Downloads, or $HOME/Pictures.
$ mkdir temp-profile
$ firefox --profile=temp-profile --headless --screenshot https://bugzilla.mozilla.org/show_bug.cgi?id=1674289
*** You are running in headless mode.
Running with -P hangs
$ firefox --no-remote -P default-release --headless --screenshot https://chomsky.info/articles/
*** You are running in headless mode.
until
^CExiting due to channel error.
no screenshot is saved to local filesystem.
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Reporter | |
Comment 6•3 years ago
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Running :screenshot --fullpage at Web Console results in a screenshot saved to local filesystem.
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Reporter | |
Comment 7•3 years ago
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Same result at Nightly 85
I am closing this bug, because it is a duplicate of Bug 1589978, which is older and already prioritized, but thank you for filing the bug and documenting the workaround, which has probably helped other users already. I hope that we will soon be able to fix this bug. Please vote for Bug 1589978 to make that happen faster.
Description
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