Re: [CentOS] Minor dovecot/KMail problem

[Rex Dieter]

Timothy Murphy wrote:

> Rex Dieter wrote:
> 
>> The moral of my story is to prevent issues languishing downstream
>> indefinitely, to avoid the kind of comment "this bug has been around
>> forever, why is it still a problem and not fixed?", which does no one any
>> good, esp when upstreams aren't made aware of the issues (which, by all
>> accounts so far, seems to be what happened here in this particular
>> dovecot/kmail case).

> You are going to find this difficult to believe,
> but I did not actually understand your reference to "upstream"
> in response to my query (I was the OP).

Thanks for the whack with the reality cluestick.

My apologies, hopefully reading the following will help describe fedora's 
ideals and definitions here in more detail,
http://fedoraproject.org/wiki/Staying_close_to_upstream_projects

-- Rex


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Re: [CentOS] Minor dovecot/KMail problem

[Kevin Kofler]

Timothy Murphy wrote:
> You are going to find this difficult to believe,
> but I did not actually understand your reference to "upstream"
> in response to my query (I was the OP).

"Upstream" is literally where the water you're seeing in the river is coming
from. For software, it means where the software is coming from. (Is that
metaphor really that hard to comprehend? :-( ) So for KDE, that's the KDE
project. Reporting bugs upstream means reporting them in their bug tracker,
which is located at: https://bugs.kde.org/

Kevin Kofler

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Re: [CentOS] Minor dovecot/KMail problem

[Timothy Murphy]

Rex Dieter wrote:

> The moral of my story is to prevent issues languishing downstream
> indefinitely, to avoid the kind of comment "this bug has been around
> forever, why is it still a problem and not fixed?", which does no one any
> good, esp when upstreams aren't made aware of the issues (which, by all
> accounts so far, seems to be what happened here in this particular
> dovecot/kmail case).

Dear Rex,

You are going to find this difficult to believe,
but I did not actually understand your reference to "upstream"
in response to my query (I was the OP).

Your comments always try to be helpful,
but please remember that some of us wallow 
in a state of almost complete ignorance.
It is impossible to insult our intelligence,
and the simplest instructions or advice should be couched
in language suitable for a 5-year old.

-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College Dublin 


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Re: [CentOS] Minor dovecot/KMail problem

[Rex Dieter]

Anne Wilson wrote:

> On Wednesday 24 June 2009 01:41:07 Kevin Kofler wrote:
>> I know what distribution packagers do, I am a Fedora KDE packager. And we
>> ask users to report their bugs upstream unless there is evidence that
>> they're specific to Fedora. The vast majority of bugs which are reported
>> to us are NOT specific to Fedora, they're upstream bugs. Also note that
>> we don't even have that many patches, we try to stay as close to upstream
>> as possible.
> 
> This is contrary to what I've been told.

It's not a black or white thing, and often depends on case-by-case factors,
including who you're dealing with, the severity of the issue at hand,
etc...
 
> I always recommend trying to ascertain whether other distros also see the
> problem, and to report it upstream if that seems to be so.  If it is not
> possible to ascertain that I was told that it should in the first instance
> be reported to the distro, who will then pass it upstream if relevant.

Here's my quick $0.02:

When distro maintainers (fedora kde-sig) ask reporters to upstream issues,
it is usually at the point where it is strongly believed to not be a
distro-specific issue.  For issues the team deams critical and
reproducible, sure, we'll usually take the reigns from there.  Otherwise,
our usual sop is also, to ask reporters to upstream issues themselves.  And
even then "Upstream" here sometimes has varying meanings, from "ask on
upstream mailing list" (similar to checking other distros) to reporting on
upstream bug trackers.

The moral of my story is to prevent issues languishing downstream
indefinitely, to avoid the kind of comment "this bug has been around
forever, why is it still a problem and not fixed?", which does no one any
good, esp when upstreams aren't made aware of the issues (which, by all
accounts so far, seems to be what happened here in this particular
dovecot/kmail case).

Hopefully this clarifies things, as I see it.  I don't mind continuing to
discuss the details of how all this happens, and how best to share the
burdens of bug reporting, followup, reproducibility, triage, etc... 
Actually, I'd invite such dialog, to make things better for everyone
involved.

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Re: [CentOS] Minor dovecot/KMail problem

[Lanny Marcus]

On Tue, Jun 23, 2009 at 10:39 PM, Filipe Brandenburger  wrote:

>  On Tue, Jun 23, 2009 at 20:41, Kevin Kofler
> wrote:
> >> I again reiterate: have you tested this on a vanilla installation of
> KDE?
> >> Don't assume its an upstream bug until you have verified it by getting
> the
> >> upstream sources and testing it.
> >
> > this is an upstream bug and needs to be reported
> > and fixed upstream!
>
> Although I agree that most bugs in KDE are upstream bugs and not
> distro-specific, in my recent experience what I have seen is that KDE
> is dismissing the bugs saying that the bug does not exist in KDE 4 and
> that users should upgrade, which is obviously not an option for users
> of CentOS 4 or 5 (or RHEL for that matter).
>
> I support an environment with about 25 users of CentOS (4) desktops,
> most of them used KDE and KMail (for historical reasons), but recently
> when they start bumping at those bugs I don't even bother and
> recommend that they move to GNOME and Thunderbird instead, which are
> much better supported, both in CentOS/RHEL, and in their own projects.
>
> Some might consider KDE superior, but as long as they will refuse to
> support KDE 3, they are dead to me...


Upstream has always used GNOME as the default. I switched to Thunderbird and
I won't look back to Evolution or anything else.
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Re: [CentOS] Minor dovecot/KMail problem

[Gary Greene]

On 6/23/09 8:39 PM, "Filipe Brandenburger"  wrote:

> Hi,
> 
> On Tue, Jun 23, 2009 at 20:41, Kevin Kofler wrote:
>>> I again reiterate: have you tested this on a vanilla installation of KDE?
>>> Don't assume its an upstream bug until you have verified it by getting the
>>> upstream sources and testing it.
>> 
>> this is an upstream bug and needs to be reported
>> and fixed upstream!
> 
> Although I agree that most bugs in KDE are upstream bugs and not
> distro-specific, in my recent experience what I have seen is that KDE
> is dismissing the bugs saying that the bug does not exist in KDE 4 and
> that users should upgrade, which is obviously not an option for users
> of CentOS 4 or 5 (or RHEL for that matter).
> 
> I support an environment with about 25 users of CentOS (4) desktops,
> most of them used KDE and KMail (for historical reasons), but recently
> when they start bumping at those bugs I don't even bother and
> recommend that they move to GNOME and Thunderbird instead, which are
> much better supported, both in CentOS/RHEL, and in their own projects.
> 
> Some might consider KDE superior, but as long as they will refuse to
> support KDE 3, they are dead to me...
> 
> Filipe
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Not to be a stickler about this, but GNOME did exactly the same thing when
they went from 1.4 to 2.0. This is another case of major version pains that
have bit KDE since the release of 4.0 that other major projects have had in
the past. This is not to say that it is a good excuse, but it does happen...

As I told Kevin off-list, this is has caused some members in the KDE
development community a certain amount of grief as bugsquad has started
taking up the policy a few months back that you described above. (I
personally feel the ball was dropped, and it wan't a good decision to cut
out KDE3 support so early. I can see maybe killing off support for it three
years after the last release, but not less than one year as has occurred.)

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Re: [CentOS] Minor dovecot/KMail problem

[Anne Wilson]

On Wednesday 24 June 2009 01:41:07 Kevin Kofler wrote:
> I know what distribution packagers do, I am a Fedora KDE packager. And we
> ask users to report their bugs upstream unless there is evidence that
> they're specific to Fedora. The vast majority of bugs which are reported to
> us are NOT specific to Fedora, they're upstream bugs. Also note that we
> don't even have that many patches, we try to stay as close to upstream as
> possible.

This is contrary to what I've been told.

I always recommend trying to ascertain whether other distros also see the 
problem, and to report it upstream if that seems to be so.  If it is not 
possible to ascertain that I was told that it should in the first instance be 
reported to the distro, who will then pass it upstream if relevant.

Has there been a recent change of policy?

Anne
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Re: [CentOS] Minor dovecot/KMail problem

[Filipe Brandenburger]

Hi,

On Tue, Jun 23, 2009 at 20:41, Kevin Kofler wrote:
>> I again reiterate: have you tested this on a vanilla installation of KDE?
>> Don't assume its an upstream bug until you have verified it by getting the
>> upstream sources and testing it.
>
> this is an upstream bug and needs to be reported
> and fixed upstream!

Although I agree that most bugs in KDE are upstream bugs and not
distro-specific, in my recent experience what I have seen is that KDE
is dismissing the bugs saying that the bug does not exist in KDE 4 and
that users should upgrade, which is obviously not an option for users
of CentOS 4 or 5 (or RHEL for that matter).

I support an environment with about 25 users of CentOS (4) desktops,
most of them used KDE and KMail (for historical reasons), but recently
when they start bumping at those bugs I don't even bother and
recommend that they move to GNOME and Thunderbird instead, which are
much better supported, both in CentOS/RHEL, and in their own projects.

Some might consider KDE superior, but as long as they will refuse to
support KDE 3, they are dead to me...

Filipe
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Re: [CentOS] Minor dovecot/KMail problem

[Kevin Kofler]

Gary Greene wrote:
> I again reiterate: have you tested this on a vanilla installation of KDE?

No. In fact I haven't personally tested this at all, the OP did.

> Don't assume its an upstream bug until you have verified it by getting the
> upstream sources and testing it.

This demand makes no sense. Users don't have vanilla installations (they use
the packages provided by their distribution) and are certainly not going to
build KDE from source just to prove something which should be obvious to
everybody except you (also considering the fact that it can be reproduced
on more than one distribution). And packagers also have other things to do
than building unpatched packages, also considering that it'd mean also
building vanilla kdelibs etc. and also considering that sometimes the
unpatched source doesn't even compile (e.g. because nobody tested it with
the latest GCC which is used in Fedora) or is just broken in some other
way. Plus, installing a properly-packaged vanilla KDE means replacing the
distro one which is also something nobody wants to do.

> As I said, most distributions patch KDE pretty heavily with vendor and
> community patches, some of which change behaviours (both defaults and
> code) from the expected ones from the upstream.

I know what distribution packagers do, I *am* a Fedora KDE packager. And we
ask users to report their bugs upstream unless there is evidence that
they're specific to Fedora. The vast majority of bugs which are reported to
us are NOT specific to Fedora, they're upstream bugs. Also note that we
don't even have that many patches, we try to stay as close to upstream as
possible.

And as Fedora and Debian use DIFFERENT patches, trying to blame issues on
patches when they can be reproduced in both distros is complete nonsense.

Please stop the bullshit, this is an upstream bug and needs to be reported
and fixed upstream! In distro-specific bug trackers, it'll just bitrot, or
you'll be asked to report it upstream if there's active triaging going on
(which is what happens in Fedora, our triager or one of us packagers will
ask the user to file the bug upstream).

Kevin Kofler (a Fedora KDE comaintainer)

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Re: [CentOS] Minor dovecot/KMail problem

[Gary Greene]

On 6/23/09 2:37 PM, "Kevin Kofler"  wrote:
> Gary Greene wrote:
>> Debian patches the hell out of KDE, and so do most other distros, this bug
>> should not be called a "KDE" bug unless you've completely verified with
>> vanilla source and have fully analyzed the code paths to assure that it
>> isn't a distribution patch that screwed the pooch.
> 
> Huh? This bug has been seen on at least 2 different distributions (Debian
> and Fedora). There's no evidence at all of this being caused by a
> distribution patch, so until/unless evidence to the contrary is provided,
> this has to be assumed to be an upstream bug.

I again reiterate: have you tested this on a vanilla installation of KDE?
Don't assume its an upstream bug until you have verified it by getting the
upstream sources and testing it. As I said, most distributions patch KDE
pretty heavily with vendor and community patches, some of which change
behaviours (both defaults and code) from the expected ones from the
upstream.


-- 
Gary L. Greene, Jr.
IT Operations
Minerva Networks, Inc.
Cell:  (650) 704-6633
Phone: (408) 240-1239

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Re: [CentOS] Minor dovecot/KMail problem

[Kevin Kofler]

Gary Greene wrote:
> Debian patches the hell out of KDE, and so do most other distros, this bug
> should not be called a "KDE" bug unless you've completely verified with
> vanilla source and have fully analyzed the code paths to assure that it
> isn't a distribution patch that screwed the pooch.

Huh? This bug has been seen on at least 2 different distributions (Debian
and Fedora). There's no evidence at all of this being caused by a
distribution patch, so until/unless evidence to the contrary is provided,
this has to be assumed to be an upstream bug.

Kevin Kofler

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Re: [CentOS] Minor dovecot/KMail problem

[Anne Wilson]

On Tuesday 23 June 2009 21:56:21 Gary Greene wrote:
> Anne, the quoting on this got screwed, I'm not the one with the mail issue,
> since I build my own KDE builds and generally pull patches from the PIM
> Enterprise branch (I was the konstruct maintainer, so building from source
> for me isn't scary). I was commenting on the issue that Timothy was having.
>
Sorry - I had just done a quick check for whose name was at the top of the 
thread.

Anne
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Re: [CentOS] Minor dovecot/KMail problem

[Gary Greene]

[On 6/23/09 7:53 AM, "Rex Dieter"  wrote:

> Timothy Murphy wrote:
> 
>> Rex Dieter wrote:
> But I have worked out that the cause of the problem
> is that there exists a kind of ghost folder, "uidvalidity",
> which is listed among the folders on the kmail page
> but does not in fact seem to exist in my maildir on the server.
> 
> Deleting the folder under kmail has no permanent effect;
> it simply re-appears when I re-start kmail.
> 
> I assume the folder is listed in some way in the dovecot.index ;
> and my question really is: if I delete this index file
> will it be re-created automatically?
> 
> This bug/feature seems to have been present for years,
> which I suppose is par for KDE.
>>> 
>>> Years?  Bugs filed?  If so, where?
>> 
>> At random, here is one from 2006:
>> 
> 
> *cough* upstream kde? *cough*  :)
> 
> -- Rex
> 
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Debian patches the hell out of KDE, and so do most other distros, this bug
should not be called a "KDE" bug unless you've completely verified with
vanilla source and have fully analyzed the code paths to assure that it
isn't a distribution patch that screwed the pooch.

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Re: [CentOS] Minor dovecot/KMail problem

[Gary Greene]

Anne, the quoting on this got screwed, I'm not the one with the mail issue,
since I build my own KDE builds and generally pull patches from the PIM
Enterprise branch (I was the konstruct maintainer, so building from source
for me isn't scary). I was commenting on the issue that Timothy was having.


On 6/23/09 6:45 AM, "Anne Wilson"  wrote:

> On Tuesday 23 June 2009 14:12:09 Rex Dieter wrote:
>> Gary Greene wrote:
>>> On 6/20/09 5:43 AM, "Timothy Murphy"
>>> 
 But I have worked out that the cause of the problem
 is that there exists a kind of ghost folder, "uidvalidity",
 which is listed among the folders on the kmail page
 but does not in fact seem to exist in my maildir on the server.
 
 Deleting the folder under kmail has no permanent effect;
 it simply re-appears when I re-start kmail.
 
 I assume the folder is listed in some way in the dovecot.index ;
 and my question really is: if I delete this index file
 will it be re-created automatically?
 
 This bug/feature seems to have been present for years,
 which I suppose is par for KDE.
>> 
>> Years?  Bugs filed?  If so, where?
>> 
>> Could very well simply be a bug in dovecot and/or incompatibility between
>> dovecot/kmail.
>> 
> I've been using kmail+dovecot for around 3 years now and never seen this ghost
> folder, so presumably there is some other influence at work.
> 
> Index files do get recreated automatically in kmail - but I thought Gary said
> that uidvalidity is listed among kmail folders?  Index files are not listed
> among folders.  
> 
> Gary - what have you done in the way of trying to locate this folder?  Have
> you looked anywhere other than maildir?  'uidvalidity' sounds to me as though
> it might belong to an authentication scheme?
> 
> Anne

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Re: [CentOS] Minor dovecot/KMail problem

[Ross Walker]

On Jun 23, 2009, at 1:26 PM, Timothy Murphy  wrote:

> But having read the web-page, I still do not really understand.
> In my case there is a folder "uidvalidity" listed by kmail,
> but there is no file or directory with that name on the dovecot  
> server.

Maybe it's an unrecognized imap response from the dovecot server that  
kmail takes as a folder name.

Take a look at your dovecot server to see if there are any advanced  
options enabled that might give a uidvalidity response.

-Ross
  
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Re: [CentOS] Minor dovecot/KMail problem

[Timothy Murphy]

Filipe Brandenburger wrote:

 Years?  Bugs filed?  If so, where?
>>>
>>> At random, here is one from 2006:
>>> 
> 
> Timothy, did you read that web page?
> 
> An excerpt:
>> I figured out how this bug could be resolved. KMail has introduced a
>> configuration option for imap folders that allows you to mount a lot of 
stuff
>> as a KMail folder. The present default is to look for things to mount
>> *everywhere* on the mail server. In my case KMail wrongly recognized some
>> files/folders from my server as imap folders. When I tried to remove them 
I
>> accidentally destroyed some data, so yeah this bug had been a pain. It 
took
>> me a while before I figured out that this was supposed to be a "feature". 
It
>> was under 'Namespaces' configuration within 'Modify Account' dialog box.
> 
> Did you try to solve your problem with the suggested approach above?

To be honest, I had not read that web-page;
I simply gave the URL as an example of the fact that the problem/feature
seems to have been around for several years.

But having read the web-page, I still do not really understand.
In my case there is a folder "uidvalidity" listed by kmail,
but there is no file or directory with that name on the dovecot server.

I can't think of any rational reason why KMail should want to invent 
a folder with this name.

I don't think the suggested approach makes any sense in my case,
as there is nothing relevant under the Namespaces heading
(in Modify=>Advanced).

I guess that for me it is just one of those mysteries
which will never be solved, like why Fiat bought Chrysler.


-- 
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Re: [CentOS] Minor dovecot/KMail problem

[Filipe Brandenburger]

On Tue, Jun 23, 2009 at 10:53, Rex Dieter wrote:
> Timothy Murphy wrote:
>> Rex Dieter wrote:
>>> Years?  Bugs filed?  If so, where?
>>
>> At random, here is one from 2006:
>> 

Timothy, did you read that web page?

An excerpt:
> I figured out how this bug could be resolved. KMail has introduced a
> configuration option for imap folders that allows you to mount a lot of stuff
> as a KMail folder. The present default is to look for things to mount
> *everywhere* on the mail server. In my case KMail wrongly recognized some
> files/folders from my server as imap folders. When I tried to remove them I
> accidentally destroyed some data, so yeah this bug had been a pain. It took
> me a while before I figured out that this was supposed to be a "feature". It
> was under 'Namespaces' configuration within 'Modify Account' dialog box.

Did you try to solve your problem with the suggested approach above?

HTH,
Filipe
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Re: [CentOS] Minor dovecot/KMail problem

[Rex Dieter]

Timothy Murphy wrote:

> Rex Dieter wrote:
 But I have worked out that the cause of the problem
 is that there exists a kind of ghost folder, "uidvalidity",
 which is listed among the folders on the kmail page
 but does not in fact seem to exist in my maildir on the server.
 
 Deleting the folder under kmail has no permanent effect;
 it simply re-appears when I re-start kmail.
 
 I assume the folder is listed in some way in the dovecot.index ;
 and my question really is: if I delete this index file
 will it be re-created automatically?
 
 This bug/feature seems to have been present for years,
 which I suppose is par for KDE.
>> 
>> Years?  Bugs filed?  If so, where?
> 
> At random, here is one from 2006:
> 

*cough* upstream kde? *cough*  :)

-- Rex

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Re: [CentOS] Minor dovecot/KMail problem

[Anne Wilson]

On Tuesday 23 June 2009 14:12:09 Rex Dieter wrote:
> Gary Greene wrote:
> > On 6/20/09 5:43 AM, "Timothy Murphy"
> >
> >> But I have worked out that the cause of the problem
> >> is that there exists a kind of ghost folder, "uidvalidity",
> >> which is listed among the folders on the kmail page
> >> but does not in fact seem to exist in my maildir on the server.
> >>
> >> Deleting the folder under kmail has no permanent effect;
> >> it simply re-appears when I re-start kmail.
> >>
> >> I assume the folder is listed in some way in the dovecot.index ;
> >> and my question really is: if I delete this index file
> >> will it be re-created automatically?
> >>
> >> This bug/feature seems to have been present for years,
> >> which I suppose is par for KDE.
>
> Years?  Bugs filed?  If so, where?
>
> Could very well simply be a bug in dovecot and/or incompatibility between
> dovecot/kmail.
>
I've been using kmail+dovecot for around 3 years now and never seen this ghost 
folder, so presumably there is some other influence at work.

Index files do get recreated automatically in kmail - but I thought Gary said 
that uidvalidity is listed among kmail folders?  Index files are not listed 
among folders.  

Gary - what have you done in the way of trying to locate this folder?  Have 
you looked anywhere other than maildir?  'uidvalidity' sounds to me as though 
it might belong to an authentication scheme?

Anne
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Re: [CentOS] Minor dovecot/KMail problem

[Timothy Murphy]

Rex Dieter wrote:
>>> But I have worked out that the cause of the problem
>>> is that there exists a kind of ghost folder, "uidvalidity",
>>> which is listed among the folders on the kmail page
>>> but does not in fact seem to exist in my maildir on the server.
>>> 
>>> Deleting the folder under kmail has no permanent effect;
>>> it simply re-appears when I re-start kmail.
>>> 
>>> I assume the folder is listed in some way in the dovecot.index ;
>>> and my question really is: if I delete this index file
>>> will it be re-created automatically?
>>> 
>>> This bug/feature seems to have been present for years,
>>> which I suppose is par for KDE.
> 
> Years?  Bugs filed?  If so, where?

At random, here is one from 2006: 


When I google for "Error while getting folder information"
I get reports going back for several years,
without, as far as I can see, any clear resolution or even explanation.

> Could very well simply be a bug in dovecot and/or incompatibility between
> dovecot/kmail.

Well, it seems to occur equally often under courier-imap .

I have solved the problem in my case, without understanding it.

KMail appears to show a folder, College=>inbox=>uidvalidity
But I don't find any such folder anywhere in ~/Maildir/ .
I've no idea if this phantom folder should be present,
and if so what it means.

This folder had the setting, "Include this folder in mail checks".
After unchecking this box (which I did not check in the first place)
the problem goes away - I no longer get an error/warning
when I Check Mail in KMail.




-- 
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s-mail: School of Mathematics, Trinity College Dublin 


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Re: [CentOS] Minor dovecot/KMail problem

[Rex Dieter]

Gary Greene wrote:

> On 6/20/09 5:43 AM, "Timothy Murphy"

>> But I have worked out that the cause of the problem
>> is that there exists a kind of ghost folder, "uidvalidity",
>> which is listed among the folders on the kmail page
>> but does not in fact seem to exist in my maildir on the server.
>> 
>> Deleting the folder under kmail has no permanent effect;
>> it simply re-appears when I re-start kmail.
>> 
>> I assume the folder is listed in some way in the dovecot.index ;
>> and my question really is: if I delete this index file
>> will it be re-created automatically?
>> 
>> This bug/feature seems to have been present for years,
>> which I suppose is par for KDE.

Years?  Bugs filed?  If so, where?

Could very well simply be a bug in dovecot and/or incompatibility between
dovecot/kmail.

-- Rex

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Re: [CentOS] Minor dovecot/KMail problem

[Gary Greene]

On 6/22/09 12:31 PM, "Gary Greene"  wrote:
> On 6/20/09 5:43 AM, "Timothy Murphy"  wrote:
>> I'm running a dovecot/IMAP server under CentOS-5.3 on my desktop,
>> reading the mail with KMail on my laptop.
>> 
>> I have what seems a venerable and well-documented problem/bug;
>> when I click on "Check Mail" I get an error message
>> "Error while getting folder information" ...
>> Actually, this doesn't appear to have the slightest effect
>> on kmail, which works perfectly if one just presses Continue.
>> 
>> But I have worked out that the cause of the problem
>> is that there exists a kind of ghost folder, "uidvalidity",
>> which is listed among the folders on the kmail page
>> but does not in fact seem to exist in my maildir on the server.
>> 
>> Deleting the folder under kmail has no permanent effect;
>> it simply re-appears when I re-start kmail.
>> 
>> I assume the folder is listed in some way in the dovecot.index ;
>> and my question really is: if I delete this index file
>> will it be re-created automatically?
>> 
>> This bug/feature seems to have been present for years,
>> which I suppose is par for KDE.
> 
> More like par for RH, since they focus on GNOME instead. (Can't wait to see
> when RHEL/CentOS when they base the KDE in it off the work of the Fedora KDE
> volunteers... Likely in 6.)
> 
>> To make it as difficult as possible to diagnose,
>> the error message on the kmail page is incomplete,
>> even when expanded to the whole screen.
>> In particular it does not specify (on the visible part)
>> what folder is causing the problem.
>> Nor is the error listed with other dovecot information
>> in /var/log/messages .
>> 
>> Any suggestions/advice gratefully received.
>> 

Replying to my own message since I forgot to add... Can you look at the
debugging output for Kmail in ~/.xsession-errors, since much of the KDE
debugging channels get logged here.

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Re: [CentOS] Minor dovecot/KMail problem

[Gary Greene]

On 6/20/09 5:43 AM, "Timothy Murphy"  wrote:
> I'm running a dovecot/IMAP server under CentOS-5.3 on my desktop,
> reading the mail with KMail on my laptop.
> 
> I have what seems a venerable and well-documented problem/bug;
> when I click on "Check Mail" I get an error message
> "Error while getting folder information" ...
> Actually, this doesn't appear to have the slightest effect
> on kmail, which works perfectly if one just presses Continue.
> 
> But I have worked out that the cause of the problem
> is that there exists a kind of ghost folder, "uidvalidity",
> which is listed among the folders on the kmail page
> but does not in fact seem to exist in my maildir on the server.
> 
> Deleting the folder under kmail has no permanent effect;
> it simply re-appears when I re-start kmail.
> 
> I assume the folder is listed in some way in the dovecot.index ;
> and my question really is: if I delete this index file
> will it be re-created automatically?
> 
> This bug/feature seems to have been present for years,
> which I suppose is par for KDE.

More like par for RH, since they focus on GNOME instead. (Can't wait to see
when RHEL/CentOS when they base the KDE in it off the work of the Fedora KDE
volunteers... Likely in 6.)

> To make it as difficult as possible to diagnose,
> the error message on the kmail page is incomplete,
> even when expanded to the whole screen.
> In particular it does not specify (on the visible part)
> what folder is causing the problem.
> Nor is the error listed with other dovecot information
> in /var/log/messages .
> 
> Any suggestions/advice gratefully received.
> 

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[CentOS] Minor dovecot/KMail problem

[Timothy Murphy]

I'm running a dovecot/IMAP server under CentOS-5.3 on my desktop,
reading the mail with KMail on my laptop.

I have what seems a venerable and well-documented problem/bug;
when I click on "Check Mail" I get an error message
"Error while getting folder information" ...
Actually, this doesn't appear to have the slightest effect
on kmail, which works perfectly if one just presses Continue.

But I have worked out that the cause of the problem
is that there exists a kind of ghost folder, "uidvalidity",
which is listed among the folders on the kmail page
but does not in fact seem to exist in my maildir on the server.

Deleting the folder under kmail has no permanent effect;
it simply re-appears when I re-start kmail.

I assume the folder is listed in some way in the dovecot.index ;
and my question really is: if I delete this index file
will it be re-created automatically?

This bug/feature seems to have been present for years,
which I suppose is par for KDE.
To make it as difficult as possible to diagnose,
the error message on the kmail page is incomplete,
even when expanded to the whole screen.
In particular it does not specify (on the visible part)
what folder is causing the problem.
Nor is the error listed with other dovecot information
in /var/log/messages .

Any suggestions/advice gratefully received.


-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College Dublin 


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