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Re: svnsync 1.8.0 fails if htdigest authentication is used

From: Vadym Chepkov <vchepkov_at_gmail.com>
Date: Tue, 2 Jul 2013 15:51:55 -0400

I will change it, thank you, but I should mention, KeepAlive is off by
default on Redhat EL/Fedora and derivatives.

On Tue, Jul 2, 2013 at 3:50 PM, Lieven Govaerts <lgo_at_apache.org> wrote:

> Hi,
>
> On Tue, Jul 2, 2013 at 9:38 PM, Vadym Chepkov <vchepkov_at_gmail.com> wrote:
> > Bert,
> >
> > Master had KeepAlive on, replica - KeepAlive Off
> >
>
> as Bert said, Digest authentication to servers configured with
> KeepAlive Off is currently broken in serf 1.2.1, the version used in
> svn 1.8.0.
> I have a patch that fixes this, as soon as I finish the unit test I'll
> commit to serf trunk and make sure it gets included in serf 1.3.0.
>
> Now, I can only advise you to always use KeepAlive On for the server
> hosting your Subversion repositories. Svn will make many (small)
> requests to the server, and in your configuration a new TCP connection
> is opened for every request. I've noticed svnsync performing much
> slower with KeepAlive Off.
>
> Lieven
>
> >
> > On Tue, Jul 2, 2013 at 3:32 PM, Bert Huijben <bert_at_qqmail.nl> wrote:
> >>
> >> 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).
> >>
> >>
> >>
> >> Bert
> >>
> >>
> >>
> >> [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
> >>
> >>
> >>
> >> Bert,
> >>
> >>
> >>
> >> 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 :
> >>
> >>
> >>
> >> #!/bin/ksh
> >>
> >> REPOS=`basename $1`
> >>
> >> TMPFILE=/var/tmp/svnsync.$$
> >>
> >> /usr/bin/svnsync sync --non-interactive --quiet \
> >>
> >> --sync-username svnsync http://example.com/reposync/${REPOS} > $TMPFILE
> >> 2>&1
> >>
> >> if [[ $? -ne 0 && -s $TMPFILE ]] ; then
> >>
> >> mail -s "svnsync failed" root < $TMPFILE
> >>
> >> fi
> >>
> >> rm -f $TMPFILE
> >>
> >> exit 0
> >>
> >>
> >>
> >> Slave server is properly initialized:
> >>
> >>
> >>
> >> sudo -u apache svn pg svn:sync-from-url --revprop -r 0 --username
> >> svnsync http://example.com/reposync/repo1
> >>
> >>
> >>
> >> http://example.com/svn/repo1
> >>
> >>
> >>
> >>
> >>
> >> I was receiving errors like this in e-mail:
> >>
> >>
> >>
> >> svnsync: E175002: Unable to connect to a repository at URL
> >> 'http://example.com/reposync/repo1'
> >> 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)
> >>
> >>
> >>
> >>
> >>
> >> Regards,
> >>
> >> Vadym
> >>
> >>
> >>
> >>
> >>
> >> On Mon, Jul 1, 2013 at 12:07 PM, Bert Huijben <bert_at_qqmail.nl> wrote:
> >>
> >>
> >>
> >> > -----Original Message-----
> >> > From: Vadym Chepkov [mailto:vchepkov_at_gmail.com]
> >> > Sent: zondag 30 juni 2013 22:58
> >> > To: Ryan Schmidt
> >> > Cc: 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,
> >> or
> >> > 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.
> >> >
> >>
> >> Hi,
> >>
> >> 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
> >> either
> >> <@lgo> that is, from a repository over ra_serf with digest authn to
> >> ra_local.
> >> <@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.
> >>
> >> Bert
> >>
> >>
> >
> >
>
Received on 2013-07-02 21:52:30 CEST

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