** Description changed: Problem Description - When attempting to upgrade a system from Ubuntu 24.10 to the development + When attempting to upgrade a system from Ubuntu 24.10 to the current release of Ubuntu 25.04 using sudo do-release-upgrade, the process fails. The upgrader crashes with a Python AttributeError after fetching the new upgrade tool. The traceback indicates the error occurs in the _addSecuritySources method within DistUpgradeController.py, when the script attempts to access a .section attribute on an ExplodedDeb822SourceEntry object, which does not exist. This prevents the upgrade from starting. Steps to Reproduce - On a fully updated Ubuntu 24.10 system, open a terminal. + On a fully updated Ubuntu 24.10 system, open a terminal. - Run the command: sudo do-release-upgrade + Run the command: sudo do-release-upgrade - Observe the tool as it begins to run and subsequently crashes. + Observe the tool as it begins to run and subsequently crashes. Expected Results The release upgrader should successfully prepare the system for the upgrade, rewrite the package source lists, and begin the process of downloading and installing the new packages for Ubuntu 25.04. Actual Results The upgrade process terminates prematurely and prints the following Python traceback to the console: Traceback (most recent call last): - File "/tmp/ubuntu-release-upgrader-essb9mo7/plucky", line 8, in <module> - sys.exit(main()) - ^^^^^^ - File "/tmp/ubuntu-release-upgrader-essb9mo7/DistUpgrade/DistUpgradeMain.py", line 235, in main - if app.run(): - ^^^^^^^^^ - File "/tmp/ubuntu-release-upgrader-essb9mo7/DistUpgrade/DistUpgradeController.py", line 1965, in run - return self.fullUpgrade() - ^^^^^^^^^^^^^^^^^^ - File "/tmp/ubuntu-release-upgrader-essb9mo7/DistUpgrade/DistUpgradeController.py", line 1793, in fullUpgrade - if not self.updateDeb822Sources(): - ^^^^^^^^^^^^^^^^^^^^^^^^^^ - File "/tmp/ubuntu-release-upgrader-essb9mo7/DistUpgrade/DistUpgradeController.py", line 978, in updateDeb822Sources - if not self.rewriteDeb822Sources(): - ^^^^^^^^^^^^^^^^^^^^^^^^^^^ - File "/tmp/ubuntu-release-upgrader-essb9mo7/DistUpgrade/DistUpgradeController.py", line 966, in rewriteDeb822Sources - self._addSecuritySources() - File "/tmp/ubuntu-release-upgrader-essb9mo7/DistUpgrade/DistUpgradeController.py", line 761, in _addSecuritySources - e.section['Signed-By'] = '/usr/share/keyrings/ubuntu-archive-keyring.gpg' - ^^^^^^^^^ + File "/tmp/ubuntu-release-upgrader-essb9mo7/plucky", line 8, in <module> + sys.exit(main()) + ^^^^^^ + File "/tmp/ubuntu-release-upgrader-essb9mo7/DistUpgrade/DistUpgradeMain.py", line 235, in main + if app.run(): + ^^^^^^^^^ + File "/tmp/ubuntu-release-upgrader-essb9mo7/DistUpgrade/DistUpgradeController.py", line 1965, in run + return self.fullUpgrade() + ^^^^^^^^^^^^^^^^^^ + File "/tmp/ubuntu-release-upgrader-essb9mo7/DistUpgrade/DistUpgradeController.py", line 1793, in fullUpgrade + if not self.updateDeb822Sources(): + ^^^^^^^^^^^^^^^^^^^^^^^^^^ + File "/tmp/ubuntu-release-upgrader-essb9mo7/DistUpgrade/DistUpgradeController.py", line 978, in updateDeb822Sources + if not self.rewriteDeb822Sources(): + ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + File "/tmp/ubuntu-release-upgrader-essb9mo7/DistUpgrade/DistUpgradeController.py", line 966, in rewriteDeb822Sources + self._addSecuritySources() + File "/tmp/ubuntu-release-upgrader-essb9mo7/DistUpgrade/DistUpgradeController.py", line 761, in _addSecuritySources + e.section['Signed-By'] = '/usr/share/keyrings/ubuntu-archive-keyring.gpg' + ^^^^^^^^^ AttributeError: 'ExplodedDeb822SourceEntry' object has no attribute 'section' Additional Information Attempting to run the upgrade non-interactively produces the same AttributeError. Command: sudo do-release-upgrade -f DistUpgradeViewNonInteractive Output: Checking for a new Ubuntu release Your Ubuntu release is not supported anymore. For upgrade information, please visit: http://www.ubuntu.com/releaseendoflife - Get:1 Upgrade tool signature [833 B] - Get:2 Upgrade tool [965 kB] - Fetched 966 kB in 0s (0 B/s) + Get:1 Upgrade tool signature [833 B] + Get:2 Upgrade tool [965 kB] + Fetched 966 kB in 0s (0 B/s) /usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcherCore.py:237: Warning: W:Download is performed unsandboxed as root as file 'plucky.tar.gz.gpg' couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2125393 Title: release upgrade 24.10 -> 25.04 fails: AttributeError: 'ExplodedDeb822SourceEntry' object has no attribute 'section' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/2125393/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
