bzr-svn problem: Permission denied: ".": PROPFIND request failed on '/svn/dept/ gt/trunk'

[Jelmer Vernooij]

Hi Brian,

Am Dienstag, den 08.01.2008, 16:43 -0600 schrieb Brian de Alwis:
> Hi everybody.  I'm a new bzr user trying to use bzr-svn to interact  
> with a project maintained on a Subversion repository.   I'm  
> encountering a problem where bzr-svn is trying to access the  
> repository using a different URL than that used by Subversion, and  
> failing.  The project is hosted at https://papyrus.usask.ca/svn/dept/ 
> gt/  (user: anonymous, no password).  I'm using bzr-svn 0.4.5 using  
> bzr 1.0 on MacOSX 10.5.1 (installed from pkgsrc, and using Python 2.4).
> 
> Trying to do a branch of the project using bzr-svn fails:
> 
> > $ bzr branch svn+https://anonymous@papyrus.usask.ca/svn/dept/gt/trunk
> > bzr: ERROR: Permission denied: ".": PROPFIND request failed on '/svn/ 
> > dept/gt/trunk'
> 
> But I *have* been able to branch from other Subversion-based  
> projects.  So there's something peculiar about this setup, but I  
> haven't been able to figure out (i) what the problem is, and (ii) how  
> to fix or work around it.  (And I have tried the development branch of  
> bzr-svn to no avail.)
> 
> The ~/.bzr.log, with -Dtransport, shows:
> 
> >
> > bzr arguments: [u'-Dtransport', u'branch', u'svn+https://anonymous@papyrus.usask.ca 
> > /svn/dept/gt/trunk/']
> > looking for plugins in /Users/bsd/.bazaar/plugins
> > looking for plugins in /usr/pkg/lib/python2.4/site-packages/bzrlib/ 
> > plugins
> > Plugin name __init__ already loaded
> > Plugin name __init__ already loaded
> > encoding stdout as sys.stdout encoding 'UTF-8'
> > opening SVN RA connection to 'https://anonymous@papyrus.usask.ca/svn/dept/gt/trunk'
> > svn get-repos-root
> > Traceback (most recent call last):
> >  File "/usr/pkg/lib/python2.4/site-packages/bzrlib/commands.py",  
> > line 802, in run_bzr_catch_errors
> >    return run_bzr(argv)
> >  File "/usr/pkg/lib/python2.4/site-packages/bzrlib/commands.py",  
> > line 758, in run_bzr
> >    ret = run(*run_argv)
> >  File "/usr/pkg/lib/python2.4/site-packages/bzrlib/commands.py",  
> > line 492, in run_argv_aliases
> >    return self.run(**all_cmd_args)
> >  File "/usr/pkg/lib/python2.4/site-packages/bzrlib/builtins.py",  
> > line 877, in run
> >    br_from = Branch.open(from_location)
> >  File "/usr/pkg/lib/python2.4/site-packages/bzrlib/branch.py", line  
> > 128, in open
> >    possible_transports=possible_transports)
> >  File "/usr/pkg/lib/python2.4/site-packages/bzrlib/bzrdir.py", line  
> > 572, in open
> >    return BzrDir.open_from_transport(t, _unsupported=_unsupported)
> >  File "/usr/pkg/lib/python2.4/site-packages/bzrlib/bzrdir.py", line  
> > 614, in open_from_transport
> >    return format.open(transport, _found=True)
> >  File "/usr/pkg/lib/python2.4/site-packages/bzrlib/bzrdir.py", line  
> > 1438, in open
> >    return self._open(transport)
> >  File "/usr/pkg/lib/python2.4/site-packages/bzrlib/plugins/svn/ 
> > format.py", line 71, in _open
> >    return remote.SvnRemoteAccess(transport, self)
> >  File "/usr/pkg/lib/python2.4/site-packages/bzrlib/plugins/svn/ 
> > remote.py", line 49, in __init__
> >    self.svn_root_url = _transport.get_svn_repos_root()
> >  File "/usr/pkg/lib/python2.4/site-packages/bzrlib/plugins/svn/ 
> > errors.py", line 99, in convert
> >    raise convert_error(e)
> > PermissionDenied: Permission denied: ".": PROPFIND request failed on  
> > '/svn/dept/gt/trunk'
> >
> > return code 3
> 
>  From poking around with pdb in svn.remote.__init__, it looks like the  
> right stuff is being resolved:
> 
> > (Pdb) p svn_url
> > 'https://anonymous@papyrus.usask.ca/svn/dept/gt/trunk'
> > (Pdb) p _transport
> > <bzrlib.plugins.svn.transport.SvnRaTransport url=svn+https://anonymous@papyrus.usask.ca 
> > /svn/dept/gt/trunk>
> 
> But using SVN to look at the properties works fine:
> 
> > $ svn proplist --username anonymous https://papyrus.usask.ca/svn/dept/gt/trunk/
> > Properties on 'https://papyrus.usask.ca/svn/dept/gt/trunk':
> >  svn:ignore

> The server logs show a different story, however: bzr-svn and svn are  
> using different URLs for the PROPFIND.  bzr-svn seems to be
> providing  
> the verbatim path (and note the user name isn't appearing either;
> not  
> sure if that's actually relevant):
I think the problem is the fact that bzr-svn doesn't pick up the
username. bzr-svn doesn't support usernames in urls at the moment (it
passes the url on verbatim to subversion, which doesn't support it).

You can do two things to fix this:

* Make sure svn caches the username for the repository. This should be a
matter of running "svn proplist
https://papyrus.usask.ca/svn/dept/gt/trunk/" without the --username
argument. Subversion will ask you for the username and should cache it.

* Install a recent Subversion 1.5 snapshot and use bzr-svn 0.4.6. In
this situation, bzr-svn should prompt you for a username/password
combination.

Cheers,

Jelmer

This is a bug in bzr-svn.

  affects bzr-svn
  status triaged
  importance medium
  summary "Discards credentials specified in URL"

-- 
Jelmer Vernooij <jelmer at samba.org> - http://samba.org/~jelmer/
Jabber: jelmer at jabber.fsfe.org
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