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[GH-ISSUE #4363] minecraft-launcher not running with firejail #2635

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opened 2026-05-05 09:17:48 -06:00 by gitea-mirror · 3 comments

gitea-mirror commented

2026-05-05 09:17:48 -06:00

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Originally created by @ghost on GitHub (Jun 19, 2021).
Original GitHub issue: https://github.com/netblue30/firejail/issues/4363

Running 0.9.64.4 in Manjaro

When I run firejail minecraft-launcher , it opens the updater and says it is inspecting the current version and preparing to update but then proceeds to shut down

firejail --noprofile minecraft-launcher works

Originally created by @ghost on GitHub (Jun 19, 2021). Original GitHub issue: https://github.com/netblue30/firejail/issues/4363 Running 0.9.64.4 in Manjaro When I run firejail minecraft-launcher , it opens the updater and says it is inspecting the current version and preparing to update but then proceeds to shut down firejail --noprofile minecraft-launcher works

gitea-mirror closed this issue

2026-05-05 09:17:49 -06:00

gitea-mirror commented

2026-05-05 09:17:51 -06:00

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@rusty-snake commented on GitHub (Jun 19, 2021):

Is anything is the syslog? Did you made any modifications to it's profile/.locals? Are there any relevant messages if you run it from a terminal?

@rusty-snake commented on GitHub (Jun 19, 2021): Is anything is the syslog? Did you made any modifications to it's profile/.locals? Are there any relevant messages if you run it from a terminal?

gitea-mirror commented

2026-05-05 09:17:51 -06:00

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@ghost commented on GitHub (Jun 19, 2021):

AVC apparmor="DENIED" operation="exec" profile="firejail-default" name="/home/(username)/.minecraft/launcher/minecraft-launcher" pid=3229 comm="minecraft-launc" requested_mask="x" denied_mask="x" fsuid=1000 ouid=1000

audit: type=1400 audit(1624124805.579:141): apparmor="DENIED" operation="exec" profile="firejail-default" name="/home/(username)/.minecraft/launcher/minecraft-launcher" pid=4205 comm="minecraft-launc" requested_mask="x" denied_mask="x" fsuid=1000 ouid=1000

qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 22070, resource id: 79691779, major code: 15 (QueryTree), minor code: 0

Didn't modify the profile

When I run it from the terminal, it runs into this error:

Theme parsing error: gtk.css:73:46: The style property GtkScrolledWindow:scrollbars-within-bevel is deprecated and shouldn't be used anymore. It will be removed in a future version

and then tries to update PistonComponent and then does a bunch of stuff with Sha1Cacher.cpp and NetQueue. After piston updates, NetQueue shut downs and it tries to start the launcher, but then it reads "Starting the sub-process failed: Permission denied" and fails to launch the launcher. In the next line it reads "No writable bootstrap found in game directory."

@ghost commented on GitHub (Jun 19, 2021): AVC apparmor="DENIED" operation="exec" profile="firejail-default" name="/home/(username)/.minecraft/launcher/minecraft-launcher" pid=3229 comm="minecraft-launc" requested_mask="x" denied_mask="x" fsuid=1000 ouid=1000 audit: type=1400 audit(1624124805.579:141): apparmor="DENIED" operation="exec" profile="firejail-default" name="/home/(username)/.minecraft/launcher/minecraft-launcher" pid=4205 comm="minecraft-launc" requested_mask="x" denied_mask="x" fsuid=1000 ouid=1000 qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 22070, resource id: 79691779, major code: 15 (QueryTree), minor code: 0 Didn't modify the profile When I run it from the terminal, it runs into this error: Theme parsing error: gtk.css:73:46: The style property GtkScrolledWindow:scrollbars-within-bevel is deprecated and shouldn't be used anymore. It will be removed in a future version and then tries to update PistonComponent and then does a bunch of stuff with Sha1Cacher.cpp and NetQueue. After piston updates, NetQueue shut downs and it tries to start the launcher, but then it reads "Starting the sub-process failed: Permission denied" and fails to launch the launcher. In the next line it reads "No writable bootstrap found in game directory."

gitea-mirror commented

2026-05-05 09:17:52 -06:00

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@rusty-snake commented on GitHub (Jun 19, 2021):

AVC apparmor="DENIED" operation="exec" profile="firejail-default" name="/home/(username)/.minecraft/launcher/minecraft-launcher" pid=3229 comm="minecraft-launc" requested_mask="x" denied_mask="x" fsuid=1000 ouid=1000

minecraft-launcher.profile already contains ignore noexec ${HOME} but it also contains apparmor which makes ${HOME} noexec too.

@rusty-snake commented on GitHub (Jun 19, 2021): > AVC apparmor="DENIED" operation="exec" profile="firejail-default" name="/home/(username)/.minecraft/launcher/minecraft-launcher" pid=3229 comm="minecraft-launc" requested_mask="x" denied_mask="x" fsuid=1000 ouid=1000 minecraft-launcher.profile already contains `ignore noexec ${HOME}` but it also contains `apparmor` which makes `${HOME}` `noexec` too.

gitea-mirror referenced this issue

2026-05-05 10:20:30 -06:00

[PR #2635] [MERGED] Add autokey profiles #4459

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Reference: github-starred/firejail#2635

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