Malformed File, svn verify OK

[Matt Summers <ma...@gmail.com>]

I'm trying to commit my working copy to the repository, but it fails with
the message "Malformed file."  I thought "svnadmin verify" would explain the
problem, but it simply iterates to each revision X (from 1 till the last
checkin/current) and says "Verified revision X"

How do I diagnose and fix the problem?

Re: Any surveys of usage of Subversion vs. all the others?

[Eric <sp...@scoot.netis.com>]

At 12:15 PM 2/3/2007, Steve Bakke wrote:

<SB>>>>>If he's sending you emails like that, then no amount of 
propaganda will convince him to accept subversion.  He's apparently 
already made up his mind.<<<<<

Pretty much.  I have to keep trying, though.  :-(

<SB>>>>>if somehow you were to set him up so that all of his files 
had needs-lock to prevent merging and concurrent editing would that 
make him any happier?<<<<<

Perhaps, but probably not sufficiently so.  He is convinced that 
Subversion is little more than a toy that no _serious_ development 
effort in its collective right mind should be using (constant and 
widespread evidence to the contrary notwithstanding).

'Tis surely a quixotic quest upon which I embark, but hey, what the 
hell, may as well keep plugging away at it... :-\

Some sort of a market share survey (or bake-off magazine article, as 
I asked about in my other email to this list today) might at least 
make it impractical for him to keep trying, with a straight face, to 
characterize Subversion as a toy.  Or, maybe not... :-(

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Re: Any surveys of usage of Subversion vs. all the others?

[Steve Bakke <st...@amd.com>]

If he's sending you emails like that, then no amount of propaganda will
convince him to accept subversion.  He's apparently already made up his
mind.

One question - if somehow you were to set him up so that all of his files
had needs-lock to prevent merging and concurrent editing would that make him
any happier? (not that other folks on the same project would like it...)

-Steve


On 2/3/07 10:29 AM, "Eric" <sp...@scoot.netis.com> wrote:

> 
> Have there been any surveys on how many people / companies / projects
> use Subversion vs, all the others (CVS, VSS, RCS, Perforce, PVCS, etc.)?
> 
> I got another email today from one of our users (the one who hates
> global revving and directory-based checkouts and refuses to use the
> checkout-modify-merge model and wants us to change to VSS) asking
> when we were going to get a "real" revision control system.
> 
> Not that it would change his mind but it would help ME if I had a
> website I could point people to that shows, in any kind of even
> marginally-authoritative form, what the Subversion market share is
> relative to all the others.
> 
> I pointed him to 
> http://subversion.tigris.org/testimonials.html#open-source-projects-using-svn
> but that's just a list of open source projects using Subversion,
> doesn't give any kind of a comparison or market share vs the others,
> and anyway I can't exactly claim it's unbiased... :-)
> 
> Thanks...
> 
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> 
> 



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Re: Any surveys of usage of Subversion vs. all the others?

[Eric <sp...@scoot.netis.com>]

At 10:35 PM 2/5/2007, Janine Sisk wrote:

<JS>>>>>Each time I read Eric's posts about this guy I wonder "where 
is his manager?".  Unless he is single-handedly responsible for some 
big chunk of the company's bottom line, he should not be allowed to 
behave like this.  Have you made sure that his boss, and yours, are 
aware of his obstructionist ways?<<<<<

Good morning, Janine.

Yeah, well, therein lies the problem.

He is one of the principals of the company, and so he has no manager.

There's nothing much to do except try to work around it to the extent possible.

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RE: Re: Any surveys of usage of Subversion vs. all the others?

["Bolstridge, Andrew" <an...@intergraph.com>]

> just forgot to add. as eric mentions, it would be helpful to have a
public and
> acknowledged list of companies who use svn. that is one of the things
he uses against 
> the change. this would be a major motivation to convince the (dilbert
principle) guy 
> who takes this kind of decisions without having an idea, and that
relies mainly on 
> what is mainstream and what is not.

Are you sure he's doing that? There are often good reasons to go with
the mainstream, business users are taught in those management training
courses all about early adopters and risk management and so on. Don't
underestimate your opponent just because you think he's technically
ignorant.

> perhaps, it would be easier to list companies who still don't use svn
...

I doubt it somehow... Unless you have a lot of webspace to hold it, and
a lot of time to devote to updating it. Users are coming and going all
the time, so any list that was compiled would be permanently out of
date, Maybe a list of 'high profile' companies that use it would be best
(and easiest to manage :) )


For subversion advocacy, why not create the old comparison matrix
showing the good and bad features of VSS v SVN (and all the other ones).
Obviously this will show up the shortcomings of subversion but that too
is a good thing if said shortcomings get resolved, or for people for who
those issues are a very big deal (don't want them using svn if its not
suitable for them)(I'll help with this as we're thinking of converting
from VSS to SVN at the moment)

Other advocacy tactics to use are to set up a pilot study (which will
only come up with a comparison matrix anyway - see above to help shorten
this), or to use it for one team (effectively the same as the pilot), or
to run it side-by-side with the old system for a while.

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Re: Any surveys of usage of Subversion vs. all the others?

[marc gonzalez-carnicer <ca...@gmail.com>]

just forgot to add. as eric mentions, it would be
helpful to have a public and acknowledged list of
companies who use svn. that is one of the things
he uses against the change. this would be a
major motivation to convince the (dilbert principle)
guy who takes this kind of decisions without
having an idea, and that relies mainly on what
is mainstream and what is not.

on that behalf, i said that most major companies
do. by monitoring the email addresses of posters
to this list you get an idea. i mentioned on my
proposal that google is partially sponsoring
svn development (besides using it).

perhaps, it would be easier to list companies
who still don't use svn ...



2007/2/6, marc gonzalez-carnicer <ca...@gmail.com>:
> i have a guy in my company who behaves a little bit
> like Eric's fellow. Fortunately, svn migration is on the
> way because this guy has nothing to say about this,
> I went directly to management with a well written
> proposal, with the motivations to switch to svn.
>
> The guy's points for not dropping VSS were :
>
> * VSS is simple to use, he learned to use it in 15'
> * VSS is "wonderfully" integrated into MS dev tools
> * there is no need to change
> * VSS'2005 (6?) has all the features of svn -- ;)
>
> his points are easily refuted, but still he does
> not want to admit he is wrong. what is amazing
> is how some people get lost outside of MS's
> prison.
>
> i have to admit that changing from VSS to svn
> requires (for the basic user) to learn how to
> resolve conflicts, and to watch out for the
> outcome of automated merges.
>
> my advice is to ignore that guy and send your
> proposal to the decision takers. i had to do it
> because he was getting noisy. i was also
> lucky that the decision taker (who did not know
> much about vss nor svn) was adviced by
> his trusted project manager, who also wanted
> to work with svn but had had not time to try it.
>
> regards,
>
>
> /marc
>
>
>
>
> 2007/2/6, Janine Sisk <ja...@furfly.net>:
> > On Feb 5, 2007, at 12:34 PM, L. Wayne Johnson wrote:
> >
> > > The bottom line is Visual Source Safe is *not* *safe*. I have used
> > > it at
> > > another company and we had nothing but problems with it.
> >
> > It was a long time ago now, but the company I worked for converted
> > from CVS to VSS and there were certain files which were corrupted
> > every time you checked them in.  Same corruption every time, same
> > files.  No-one at Microsoft seemed to be too concerned, nor did any
> > of the people responsible for the change choose to act like it
> > mattered.  I no longer remember how it was resolved;  I think I may
> > have left the company while it was still going on.
> >
> > Each time I read Eric's posts about this guy I wonder "where is his
> > manager?".  Unless he is single-handedly responsible for some big
> > chunk of the company's bottom line, he should not be allowed to
> > behave like this.  Have you made sure that his boss, and yours, are
> > aware of his obstructionist ways?
> >
> > janine
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: users-unsubscribe@subversion.tigris.org
> > For additional commands, e-mail: users-help@subversion.tigris.org
> >
> >
>

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Re: Any surveys of usage of Subversion vs. all the others?

[marc gonzalez-carnicer <ca...@gmail.com>]

i have a guy in my company who behaves a little bit
like Eric's fellow. Fortunately, svn migration is on the
way because this guy has nothing to say about this,
I went directly to management with a well written
proposal, with the motivations to switch to svn.

The guy's points for not dropping VSS were :

* VSS is simple to use, he learned to use it in 15'
* VSS is "wonderfully" integrated into MS dev tools
* there is no need to change
* VSS'2005 (6?) has all the features of svn -- ;)

his points are easily refuted, but still he does
not want to admit he is wrong. what is amazing
is how some people get lost outside of MS's
prison.

i have to admit that changing from VSS to svn
requires (for the basic user) to learn how to
resolve conflicts, and to watch out for the
outcome of automated merges.

my advice is to ignore that guy and send your
proposal to the decision takers. i had to do it
because he was getting noisy. i was also
lucky that the decision taker (who did not know
much about vss nor svn) was adviced by
his trusted project manager, who also wanted
to work with svn but had had not time to try it.

regards,


/marc




2007/2/6, Janine Sisk <ja...@furfly.net>:
> On Feb 5, 2007, at 12:34 PM, L. Wayne Johnson wrote:
>
> > The bottom line is Visual Source Safe is *not* *safe*. I have used
> > it at
> > another company and we had nothing but problems with it.
>
> It was a long time ago now, but the company I worked for converted
> from CVS to VSS and there were certain files which were corrupted
> every time you checked them in.  Same corruption every time, same
> files.  No-one at Microsoft seemed to be too concerned, nor did any
> of the people responsible for the change choose to act like it
> mattered.  I no longer remember how it was resolved;  I think I may
> have left the company while it was still going on.
>
> Each time I read Eric's posts about this guy I wonder "where is his
> manager?".  Unless he is single-handedly responsible for some big
> chunk of the company's bottom line, he should not be allowed to
> behave like this.  Have you made sure that his boss, and yours, are
> aware of his obstructionist ways?
>
> janine
>
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> To unsubscribe, e-mail: users-unsubscribe@subversion.tigris.org
> For additional commands, e-mail: users-help@subversion.tigris.org
>
>

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Re: Any surveys of usage of Subversion vs. all the others?

[Janine Sisk <ja...@furfly.net>]

On Feb 5, 2007, at 12:34 PM, L. Wayne Johnson wrote:

> The bottom line is Visual Source Safe is *not* *safe*. I have used  
> it at
> another company and we had nothing but problems with it.

It was a long time ago now, but the company I worked for converted  
from CVS to VSS and there were certain files which were corrupted  
every time you checked them in.  Same corruption every time, same  
files.  No-one at Microsoft seemed to be too concerned, nor did any  
of the people responsible for the change choose to act like it  
mattered.  I no longer remember how it was resolved;  I think I may  
have left the company while it was still going on.

Each time I read Eric's posts about this guy I wonder "where is his  
manager?".  Unless he is single-handedly responsible for some big  
chunk of the company's bottom line, he should not be allowed to  
behave like this.  Have you made sure that his boss, and yours, are  
aware of his obstructionist ways?

janine

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RE: Any surveys of usage of Subversion vs. all the others?

["L. Wayne Johnson" <wa...@zk.com>]

>> I got another email today from one of our users (the one who hates
>> global revving and directory-based checkouts and refuses to use the
>> checkout-modify-merge model and wants us to change to VSS) asking
>> when we were going to get a "real" revision control system.
>> 
>> Not that it would change his mind but it would help ME if I had a
>> website I could point people to that shows, in any kind of even
>> marginally-authoritative form, what the Subversion market share is
>> relative to all the others.
>> 

I don't know how to change his mind about subversion but, have him Google
for 'vss problems'. If after looking the results over he *still* want to use
vss then I don't know what to tell you. 

The bottom line is Visual Source Safe is *not* *safe*. I have used it at
another company and we had nothing but problems with it. You might also note
that Microsoft has developed a new version control system. I doubt they are
going to maintain Visual Source Safe.

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Any surveys of usage of Subversion vs. all the others?

[Eric <sp...@scoot.netis.com>]

Have there been any surveys on how many people / companies / projects 
use Subversion vs, all the others (CVS, VSS, RCS, Perforce, PVCS, etc.)?

I got another email today from one of our users (the one who hates 
global revving and directory-based checkouts and refuses to use the 
checkout-modify-merge model and wants us to change to VSS) asking 
when we were going to get a "real" revision control system.

Not that it would change his mind but it would help ME if I had a 
website I could point people to that shows, in any kind of even 
marginally-authoritative form, what the Subversion market share is 
relative to all the others.

I pointed him to 
http://subversion.tigris.org/testimonials.html#open-source-projects-using-svn 
but that's just a list of open source projects using Subversion, 
doesn't give any kind of a comparison or market share vs the others, 
and anyway I can't exactly claim it's unbiased... :-)

Thanks...

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Re: Malformed File, svn verify OK

[John Szakmeister <jo...@szakmeister.net>]

----- Matt Summers <ma...@gmail.com> wrote:
> I'm trying to commit my working copy to the repository, but it fails
> with the message "Malformed file." I thought "svnadmin verify" would
> explain the problem, but it simply iterates to each revision X (from 1
> till the last checkin/current) and says "Verified revision X"
> 
> How do I diagnose and fix the problem?

The only places in code where I see you can get this error, and no other useful information, is in subversion/libsvn_subr/hash.c.  Hashes are used in the repository, the working copy, and in configuration files (storing password information, etc).  So it's likely that something is wrong in your working copy, or one of your configuration files.

Is it possible to run something like strace to see which file the code is failing on?

-John

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