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Message #08236
[Bug 1632047] Re: DistUpgradeViewNonInteractive except hook hides the traceback
This bug was fixed in the package ubuntu-release-upgrader - 1:16.10.6
---------------
ubuntu-release-upgrader (1:16.10.6) yakkety; urgency=medium
* DistUpgradeViewNonInteractive.py: When handling an exception also log what
the traceback causing the exception was. (LP: #1632047)
-- Brian Murray <brian@xxxxxxxxxx> Mon, 10 Oct 2016 11:05:13 -0700
** Changed in: ubuntu-release-upgrader (Ubuntu Yakkety)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1632047
Title:
DistUpgradeViewNonInteractive except hook hides the traceback
Status in ubuntu-release-upgrader package in Ubuntu:
Fix Released
Status in ubuntu-release-upgrader source package in Xenial:
Triaged
Status in ubuntu-release-upgrader source package in Yakkety:
Fix Released
Bug description:
Test Case
---------
This is a pretty obvious fix to just log more information when there is a crash.
Regression Potential
--------------------
Little as we are just logging more information.
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.
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