Public bug reported:
The non-interactive version of the dist upgrade process has its own
special except hook handler, but that handler ends up hiding the
traceback. This should be fixed so that we have more details about why
the upgrade failed. Here's the code in question:
249 class DistUpgradeViewNonInteractive(DistUpgradeView):
250 " non-interactive version of the upgrade view "
251 def __init__(self, datadir=None, logdir=None):
252 DistUpgradeView.__init__(self)
253 self.config = DistUpgradeConfig(".")
254 self._acquireProgress = NonInteractiveAcquireProgress()
255 self._installProgress = NonInteractiveInstallProgress(logdir)
256 self._opProgress = apt.progress.base.OpProgress()
257 sys.__excepthook__ = self.excepthook
258 def excepthook(self, type, value, traceback):
259 " on uncaught exceptions -> print error and reboot "
260 logging.exception("got exception '%s': %s " % (type, value))
261 #sys.excepthook(type, value, traceback)
262 self.confirmRestart()
Notice nothing is done with traceback in line 260.
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: High
Assignee: Brian Murray (brian-murray)
Status: Triaged
** Affects: ubuntu-release-upgrader (Ubuntu Yakkety)
Importance: High
Assignee: Brian Murray (brian-murray)
Status: Triaged
** Changed in: ubuntu-release-upgrader (Ubuntu)
Status: New => Triaged
** Changed in: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided => High
** Also affects: ubuntu-release-upgrader (Ubuntu Yakkety)
Importance: High
Status: Triaged
** Changed in: ubuntu-release-upgrader (Ubuntu Yakkety)
Assignee: (unassigned) => Brian Murray (brian-murray)
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https://bugs.launchpad.net/bugs/1632047
Title:
DistUpgradeViewNonInteractive except hook hides the traceback
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