update-apt-xapian-index crashed with OSError in getmtime()

[Zampanò]

After use of synaptic, but I use always ubuntu filesystem on Usb pen, and the samefor my data.
At the moment, I was using my 2007Window backup on my Dvd. The crash suddenly, on the start.
Distro Ubuntu, 9.04. First use f it, 2209, April
ubuntu@ubuntu:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 9.04
Release: 9.04
Codename: jaunty
ubuntu@ubuntu:~$ lsb_release -rd
Description: Ubuntu 9.04
Release: 9.04
ubuntu@ubuntu:~$ ubuntu@ubuntu:~$ lsb_release -rd
bash: ubuntu@ubuntu:~$: comando non trovato
lsb_release -rd' or System
ubuntu@ubuntu:~$ lsb_release -System
Usage: lsb_release [options]

lsb_release: error: no such option: -S
ubuntu@ubuntu:~$ lsb_release -System man
Usage: lsb_release [options]

lsb_release: error: no such option: -S

Sorry, with my greatings
mmm

ProblemType: Crash
Architecture: i386
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/sbin/update-apt-xapian-index
InterpreterPath: /usr/bin/python2.6
MediaBuild: Ubuntu 9.04 "Jaunty Jackalope" - Release i386 (20090420.1)
Package: apt-xapian-index 0.16
PackageArchitecture: all
ProcAttrCurrent: unconfined
ProcCmdline: /usr/bin/python /usr/sbin/update-apt-xapian-index -q
ProcEnviron:
 PATH=(custom, no user)
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/sbin/update-apt-xapian-index', '-q']
SourcePackage: apt-xapian-index
Title: update-apt-xapian-index crashed with OSError in getmtime()
Uname: Linux 2.6.28-15-generic i686
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #267330, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.