unable to upgrade to 12.10 beta 2 from 12.04 [closed]
- by user85959
Possible Duplicate:
There's an issue with an Alpha/Beta Release of Ubuntu, what should I do?
authenticate 'quantal.tar.gz' against 'quantal.tar.gz.gpg'
exception from gpg: GnuPG exited non-zero, with code 2
Debug information:
gpg: Signature made Fri 28 Sep 2012 03:55:55 AM IST using DSA key ID 437D05B5
gpg: /tmp/update-manager-bpIptI/trustdb.gpg: trustdb created
gpg: Good signature from "Ubuntu Archive Automatic Signing Key "
gpg: WARNING: This key is not certified with a trusted signature!
gpg: There is no indication that the signature belongs to the owner.
Primary key fingerprint: 6302 39CC 130E 1A7F D81A 27B1 4097 6EAF 437D 05B5
gpg: Signature made Fri 28 Sep 2012 03:55:55 AM IST using RSA key ID C0B21F32
gpg: Can't check signature: public key not found
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/UpdateManager/UpdateManager.py", line 1110, in on_button_dist_upgrade_clicked
fetcher.run()
File "/usr/lib/python2.7/dist-packages/UpdateManager/Core/DistUpgradeFetcherCore.py", line 253, in run
_("Authenticating the upgrade failed. There may be a problem "
File "/usr/lib/python2.7/dist-packages/UpdateManager/DistUpgradeFetcher.py", line 41, in error
return error(self.window_main, summary, message)
File "/usr/lib/python2.7/dist-packages/UpdateManager/Core/utils.py", line 384, in error
d.window.set_functions(Gdk.FUNC_MOVE)
RuntimeError: unable to get the value
gpg: /tmp/tmplqoLDu/trustdb.gpg: trustdb created
