[Samba] ClassicUpgrade: ERROR(<type 'exceptions.ValueError'>): uncaught exception - zero length field name in format

[Andrew Bartlett]

This code did indeed change for Samba 4.9.  What python version are you
using?

Thanks,

Andrew Bartlett

On Sun, 2018-09-16 at 10:51 -0400, Bill Baird via samba wrote:
> I ran the same thing with 4.8.5 and it work without any issues:
> 
> Adding groups
> Importing groups
> Committing 'add groups' transaction to disk
> Adding users
> Importing users
> Committing 'add users' transaction to disk
> Adding users to groups
> Committing 'add users to groups' transaction to disk
> 
> 
> On Sun, Sep 16, 2018 at 10:29 AM Bill Baird <Bill.Baird at phoenixmi.com
> >
> wrote:
> 
> > 
> > Hi All,
> > 
> > Attempting to do a classicupgrade and getting this error:
> > 
> > *Adding groups*
> > *Importing groups*
> > *Committing 'add groups' transaction to disk*
> > *Adding users*
> > *Importing users*
> > *Adding users to groups*
> > *Committing 'add users to groups' transaction to disk*
> > *ERROR(<type 'exceptions.ValueError'>): uncaught exception - zero
> > length
> > field name in format*
> > *  File
> > "/usr/local/samba/lib64/python2.6/site-
> > packages/samba/netcmd/__init__.py",
> > line 177, in _run*
> > *    return self.run(*args, **kwargs)*
> > *  File
> > "/usr/local/samba/lib64/python2.6/site-
> > packages/samba/netcmd/domain.py",
> > line 1681, in run*
> > *    useeadb=eadb, dns_backend=dns_backend, use_ntvfs=use_ntvfs)*
> > *  File "/usr/local/samba/lib64/python2.6/site-
> > packages/samba/upgrade.py",
> > line 845, in upgrade_from_samba3*
> > *    result.names.domaindn, result.lp, use_ntvfs)*
> > *  File
> > "/usr/local/samba/lib64/python2.6/site-
> > packages/samba/provision/__init__.py",
> > line 1693, in setsysvolacl*
> > *    userdn = '<SID={}-{}>'.format(domainsid,
> > security.DOMAIN_RID_ADMINISTRATOR)*
> > 
> > I don't recall seeing this during my testing with 4.8.X, but I
> > decided to
> > do my actual upgrade with 4.9. But I'm also not sure it isn't just
> > related
> > to a new account or setting we made between testing and now.
> > 
> > Any help would be appreciated.
> > 
> > Thanks!
> > 
> 
> -- 
> *Bill Baird*
> Chief Technology Officer
> Office: 845-876-8228 x311
> Mobile: 203-545-0437
> www.phoenixmi.com
> *To create an IT ticket, please email itsupport at phoenixmi.com
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-- 
Andrew Bartlett                       http://samba.org/~abartlet/
Authentication Developer, Samba Team  http://samba.org
Samba Developer, Catalyst IT          http://catalyst.net.nz/services/samba