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Problems with Exchange provider add-on

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Frank Winkler

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Jun 28, 2012, 9:47:56 AM6/28/12
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Hi there !

In order to be able to access the calendars on my company' Exchange
server *sigh*, I've been using the ancient

provider_for_microsoft_exchange-0.17-tb+sb.xpi

As this one is missing some feature and doesn't seem to be under active
development, I switched to

exchange_20072010_calendar_and_tasks_provider-1.8.5-tb+sm.xpi

some days ago. After installing the add-on, I did this by the RMB menu
item "switch to ..." or the like. Afterwards, TB didn't start but hung
after launching it. At first, I did

$ mv extensions .extensions

in the profile directory and restarted. TB came up again. I re-installed
the XPIs and the config was there. Now, TB hangs more frequently and
fails to start with the above problem. Instead of completely removing
and re-installing the add-ons, I now tend to temporarily move them away,
fire up TB, shut it down properly, move the dir back and start again.
Sometimes this works, someteimes it doesn't.

I must admit that my TB is quite old as it's part of the Solaris 11
distribution ;) ... but it this a problem of TB or of the Exchange
provider? Does anybody else see this?

TIA

fw

Frank Winkler

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Jul 20, 2012, 2:24:55 AM7/20/12
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On 06/28/12 03:47 PM, I wrote:

>after launching it. At first, I did
>
>$ mv extensions .extensions
>
>in the profile directory and restarted. TB came up again. I re-installed
>the XPIs and the config was there. Now, TB hangs more frequently and
>fails to start with the above problem. Instead of completely removing
>and re-installing the add-ons, I now tend to temporarily move them away,
>fire up TB, shut it down properly, move the dir back and start again.
>Sometimes this works, someteimes it doesn't.

I also tried to check for connections in TIME_WAIT status but this also
didn't really help. Now I think the culprit is in <profile>/Cache - when
I null the files in there, it seems to work. What is this "cache" used
for? Any ideas what's wrong?

TIA

fw

Ron K.

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Jul 20, 2012, 4:46:05 AM7/20/12
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Frank Winkler on 7/20/2012 2:24 AM, keyboarded a reply:
I assume you are asking about Cache as I see it in this Win Vista file path.

C:\Users\xxxxxx\AppData\Local\Thunderbird\Profiles\xxxxxxxx.default\Cache


This is a disk cache for offline viewing of HTML mail that uses remote
images as well as caching embedded media such as video. IIRC this was
activated with TB 3.1, so has been available for awhile.


--
Ron K.
Who is General Failure, and why is he searching my HDD?
Kernel Restore reported Major Error used BSOD to msg the enemy!

Frank Winkler

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Jul 25, 2012, 10:46:51 AM7/25/12
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On 07/20/12 08:24 AM, I wrote:

>I also tried to check for connections in TIME_WAIT status but this also
>didn't really help. Now I think the culprit is in <profile>/Cache - when
>I null the files in there, it seems to work. What is this "cache" used
>for? Any ideas what's wrong?

No, that's also not the right trace. I tried to find the root cause in
the core file but with no success.

TIA

fw

Frank Winkler

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Aug 15, 2012, 7:11:07 AM8/15/12
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On 06/28/12 03:47 PM, I wrote:

>and re-installing the add-ons, I now tend to temporarily move them away,
>fire up TB, shut it down properly, move the dir back and start again.
>Sometimes this works, someteimes it doesn't.

In fact,

$ mv .extensions extensions # if still disabled
$ mv entensions.ini .extensions.ini
$ mv extensions.sqlite .extensions.sqlite

seems to do the trick - may be the last step can be omitted.

Do I lose any information when moving away those files?

Regards

fw

Frank Winkler

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Aug 16, 2012, 6:58:22 AM8/16/12
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On 08/15/12 01:11 PM,I wrote:

>In fact,
>
>$ mv .extensions extensions # if still disabled
>$ mv entensions.ini .extensions.ini
>$ mv extensions.sqlite .extensions.sqlite

or "cp /dev/null <file>"

>seems to do the trick - may be the last step can be omitted.

It needs both steps BUt interestingly, there are some depencies for a
restart of TB. When it hangs at startup (see original posting), it's not
sufficient to just clear the latter two files. I have to move away the
"extensions" dir, fire up TB without extensions, shut it down
immediately, do the above steps, and I'm set. This has worked reliably
up to now. So the restart procedure is something like

$ mv extensions .extension
$ thunderbird &
$ sleep 2
$ kill $!
$ mv .extensions extensions
$ cp /dev/null extensions.ini
$ cp /dev/null extensions.sqlite
$ thunderbird

Any explanations?

Regards

fw
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