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apt: no release file [ubuntu jammy]

asked 2023-05-02 20:57:29 -0600

saintofinternet gravatar image

updated 2023-05-03 02:45:07 -0600

gvdhoorn gravatar image

Please find below the error I am getting...

$ sudo apt update
Hit:1 jammy-updates InRelease
Ign:2 jammy InRelease
Hit:3 jammy InRelease
Err:4 jammy Release
  404  Not Found [IP: 80]
Hit:5 jammy-backports InRelease
Hit:6 jammy-security InRelease

Reading package lists... Done

E: The repository ' jammy Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
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answered 2023-05-03 02:44:10 -0600

gvdhoorn gravatar image

From this:

E: The repository ' jammy Release' does not have a Release file.

it looks like you're trying to use the ROS 1 package repositories on Ubuntu Jammy.

The ROS 2 package repository would be (note the ros2 in the URL).

ROS 1 does not support Ubuntu Jammy, so the apt error is correct: there is no release file it can download.

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Asked: 2023-05-02 20:57:29 -0600

Seen: 2,972 times

Last updated: May 03