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RE: svnsync 1.8.0 fails if htdigest authentication is used

From: Bert Huijben <bert_at_qqmail.nl>
Date: Tue, 2 Jul 2013 21:32:42 +0200

                Hi Vadym,


We found a related issue while testing the serf http code, which might be
related to your issue.


Can you somehow check if your repository has the 'KeepAlive' option
configured to off? In this case the digest code in serf performs every
request without authentication, because it would only try to use
authentication on later requests on the same connection


If that is the case, it looks like this issue will be resolved with the next
serf release. (Which should happen with or before Subversion 1.8.1).




[Added CC to one of the serf developers, who isn't subscribed to this list]


From: Vadym Chepkov [mailto:vchepkov_at_gmail.com]
Sent: maandag 1 juli 2013 18:32
To: Bert Huijben
Cc: users_at_subversion.apache.org; Ryan Schmidt
Subject: Re: svnsync 1.8.0 fails if htdigest authentication is used




I would be happy to provide debugging information, but as I said, I had to
rollback to 1.7.10.


If I ran it interactively, authentication just didn't go through, so it
looked like the username or password is incorrect.

After I reverted back to 1.7.10 everything works as expected.


svnsync is called from a hook on the master server :



REPOS=`basename $1`


/usr/bin/svnsync sync --non-interactive --quiet \

--sync-username svnsync http://example.com/reposync/${REPOS}
<http://example.com/reposync/$%7bREPOS%7d> > $TMPFILE 2>&1

if [[ $? -ne 0 && -s $TMPFILE ]] ; then

  mail -s "svnsync failed" root < $TMPFILE


rm -f $TMPFILE

exit 0


Slave server is properly initialized:


sudo -u apache svn pg svn:sync-from-url --revprop -r 0 --username svnsync





I was receiving errors like this in e-mail:


svnsync: E175002: Unable to connect to a repository at URL
svnsync: E175002: OPTIONS of 'http://example.com/reposync/repo1': could not
connect to server (http://example.com)


or this


svnsync: E175002: PROPFIND of '/reposync/repo2/!svn/rev/0': could not
connect to server (http://example.com)







On Mon, Jul 1, 2013 at 12:07 PM, Bert Huijben <bert_at_qqmail.nl
<mailto:bert_at_qqmail.nl> > wrote:

> -----Original Message-----
> From: Vadym Chepkov [mailto:vchepkov_at_gmail.com <mailto:vchepkov_at_gmail.com>
> Sent: zondag 30 juni 2013 22:58
> To: Ryan Schmidt
> Cc: users_at_subversion.apache.org <mailto:users_at_subversion.apache.org>
> Subject: Re: svnsync 1.8.0 fails if htdigest authentication is used
> On Jun 30, 2013, at 2:18 PM, Ryan Schmidt wrote:
> >
> > On Jun 30, 2013, at 07:06, Vadym Chepkov wrote:
> >
> >> After I upgraded to 1.8.0, svnsync process started to fail. I am using
> apache 2.2.3. I suspect it's really serf's problem (1.2.1), but
nevertheless I had
> to revert back to 1.7.10. Is this a known limitation?
> >
> > You said you upgraded to 1.8.0. Was that the computer running svnsync,
> the server serving the original repository, or both?
> >
> > What error message did you get?
> Both source and destination run under Linux. Authentication fails, I see
401 in
> the apache's access log.


I expected a problem related to some recent fixes in serf that should be
available in the next release, but one of the serf developers ensured me
that it was not this problem.

<@lgo> Bert: serf 1.2.1 fixed an issue with htdigest, no server
authentication issues are known.
<@lgo> I have no problem syncing a repository on a server using digest
<@lgo> that is, from a repository over ra_serf with digest authn to
<@lgo> The thread on users doesn't contain a lot of info, and I'm not
subscribed to users. So if you can get some more info about his setup, exact
error message, whether that's directly or after a while ... I will look into
it further.

So I would repeat Ryan's request. Can you show us what goes wrong (with what
error) and how we can reproduce this problem?

It is quite interesting to know if this happens directly at the start or
after a huge chunk of work was completed.


Received on 2013-07-02 21:33:50 CEST

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