Problem: univention-upgrade Fails with a Python Traceback

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Problem: When upgrading from command line you get a traceback

You used the following command line to update:

root@backup:~# univention-upgrade --ignoreterm --ignoressh --updateto=4.4.0

Environment

You will get an error like this:

root@backup:~# univention-upgrade --ignoreterm --ignoressh --updateto=4.3.0

Starting univention-upgrade. Current UCS version is 4.2-5 errata0

Checking for local repository:                          none
Checking for package updates:                           none
Checking for app updates:                               none
Checking for release updates:                           An error occurred - see "/var/log/univention/updater.log" for details

In /var/log/univention/updater.log you will see:

Starting univention-upgrade. Current UCS version is 4.2-5 errata0

Checking for local repository:                          none
Checking for package updates:                           none
Checking for app updates:                               none
Checking for release updates:                           Traceback in univention-upgrade:
Traceback (most recent call last):
  File "/usr/sbin/univention-upgrade", line 437, in do_update
    update_available = performUpdate(options, checkForUpdates=options.check, silent=False)
  File "/usr/sbin/univention-upgrade", line 138, in performUpdate
    if func(options, checkForUpdates, silent):
  File "/usr/sbin/univention-upgrade", line 154, in do_release_update
    if options.updateto and UCS_Version(options.updateto) < UCS_Version(version_next):
  File "/usr/lib/pymodules/python2.7/univention/updater/ucs_version.py", line 61, in __init__
    self.set(version)
  File "/usr/lib/pymodules/python2.7/univention/updater/ucs_version.py", line 94, in set
    raise ValueError('string does not match UCS version pattern')
ValueError: string does not match UCS version pattern

Solution

Uee the correct version string in your command. Replace “4.4.0” by “4.4-0” and start the upgrade again:

root@backup:~# univention-upgrade --ignoreterm --ignoressh --updateto=4.4-0

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