[Bug 551451] [NEW] TypeError: coercing to Unicode: need string or buffer, NoneType found

[Paul Sladen]

Public bug reported:

sudo vmbuilder xen ubuntu \
    --suite lucid --flavour virtual --arch amd64 \
    --part partitions.txt \
    --user ubuntu --name Ubuntu \
    --components main,universe \
    --addpkg openssh-server

2010-03-30 07:25:00,509 INFO    : Calling hook: preflight_check
2010-03-30 07:25:00,514 INFO    : Calling hook: set_defaults
2010-03-30 07:25:00,515 INFO    : Calling hook: bootstrap
2010-03-30 07:26:43,726 INFO    : Calling hook: configure_os
2010-03-30 07:26:53,850 INFO    : update-alternatives: error: no alternatives for rsh.
2010-03-30 07:26:54,070 INFO    : update-alternatives: error: no alternatives for rlogin.
2010-03-30 07:26:54,291 INFO    : update-alternatives: error: no alternatives for rcp.
2010-03-30 07:26:56,001 INFO    : Creating SSH2 RSA key; this may take some time ...
2010-03-30 07:26:57,643 INFO    : Creating SSH2 DSA key; this may take some time ...
2010-03-30 07:26:58,175 INFO    : 
2010-03-30 07:26:58,177 INFO    : Warning: Fake initctl called, doing nothing
2010-03-30 07:26:58,190 INFO    : 
2010-03-30 07:26:58,190 INFO    : Warning: Fake initctl called, doing nothing
2010-03-30 07:27:00,334 INFO    : 
2010-03-30 07:27:00,335 INFO    : Current default time zone: 'Etc/UTC'
2010-03-30 07:27:00,349 INFO    : Local time is now:      Tue Mar 30 06:27:00 UTC 2010.
2010-03-30 07:27:00,349 INFO    : Universal Time is now:  Tue Mar 30 06:27:00 UTC 2010.
2010-03-30 07:27:00,349 INFO    : 
2010-03-30 07:27:04,436 INFO    : Calling hook: post_install
2010-03-30 07:27:04,442 INFO    : Calling hook: preflight_check
2010-03-30 07:27:04,443 INFO    : Calling hook: configure_networking
2010-03-30 07:27:04,459 INFO    : Calling hook: configure_mounting
2010-03-30 07:27:04,474 INFO    : Calling hook: mount_partitions
2010-03-30 07:27:04,475 INFO    : Mounting target filesystems
2010-03-30 07:27:04,475 INFO    : Creating filesystem: /, size: 20000, dummy: False
Traceback (most recent call last):
  File "/usr/bin/vmbuilder", line 24, in <module>
    cli.main()
  File "/usr/lib/python2.6/dist-packages/VMBuilder/contrib/cli.py", line 116, in main
    hypervisor.install_os()
  File "/usr/lib/python2.6/dist-packages/VMBuilder/hypervisor.py", line 64, in install_os
    self.call_hooks('mount_partitions', self.chroot_dir)
  File "/usr/lib/python2.6/dist-packages/VMBuilder/distro.py", line 66, in call_hooks
    call_hooks(self, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/VMBuilder/util.py", line 165, in call_hooks
    getattr(context, func, log_no_such_method)(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/VMBuilder/hypervisor.py", line 82, in mount_partitions
    fs.create()
  File "/usr/lib/python2.6/dist-packages/VMBuilder/disk.py", line 332, in create
    if not os.path.exists(self.filename):
  File "/usr/lib/python2.6/genericpath.py", line 18, in exists
    st = os.stat(path)
TypeError: coercing to Unicode: need string or buffer, NoneType found

dpkg -l python-vm-builder
python-vm-builder               0.12.3-0ubuntu1

** Affects: vm-builder (Ubuntu)
     Importance: Undecided
         Status: New

-- 
TypeError: coercing to Unicode: need string or buffer, NoneType found
https://bugs.launchpad.net/bugs/551451
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