[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

Attila  changed:

   What|Removed |Added

Version|5.24.1  |5.24.3

--- Comment #34 from Attila  ---
KMail version 5.24.3 (23.08.3) has been released for Fedora 38.
No changes, the bug is still present.

I get a plenty of messages like "Unable to fetch item from backend (collection
-1): Unable to retrieve item from resource:  [LRCONFLICT] Resource
akonadi_maildir_resource_0 tries to modify item 319216 () (in collection 24)
with dirty payload, aborting STORE".

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

Attila  changed:

   What|Removed |Added

Version|5.23.1  |5.24.1

--- Comment #33 from Attila  ---
KMail version 5.24.1 (23.08.1) has been released for Fedora 38.
No changes, the bug is still present.

I get a plenty of messages like "Unable to fetch item from backend (collection
-1): Unable to retrieve item from resource:  [LRCONFLICT] Resource
akonadi_maildir_resource_0 tries to modify item 319216 () (in collection 24)
with dirty payload, aborting STORE".

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #32 from Attila  ---
I get a plenty of messages like "Item query returned empty result set". It
doesn't matter how many times I click on these new mails, they remain marked as
new mail. I hate to say but KMail is not suitable for daily use.

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #31 from Attila  ---
KMail version 5.23.1 (23.04.1) has been released for Fedora 38.
No changes, the bug is still present.

Operating System: Fedora Linux 38
KDE Plasma Version: 5.27.5
KDE Frameworks Version: 5.106.0
Qt Version: 5.15.9
Graphics Platform: X11

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

Attila  changed:

   What|Removed |Added

Version|5.22.0  |5.23.1

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

Attila  changed:

   What|Removed |Added

Version|5.7.1   |5.22.0

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[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #30 from Attila  ---
KMail version 5.22.0 (22.12.0) has been released for Fedora 36.
No changes, the bug is still present.

Operating System: Fedora Linux 36
KDE Plasma Version: 5.26.4
KDE Frameworks Version: 5.101.0
Qt Version: 5.15.7
Graphics Platform: X11

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Christopher Yeleighton]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #29 from Christopher Yeleighton  ---
Also, Akonadi reports 30 elements present in collection 739 but it shows only 4
items in the collection.

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Christopher Yeleighton]

https://bugs.kde.org/show_bug.cgi?id=389829

Christopher Yeleighton  changed:

   What|Removed |Added

 CC||giecr...@stegny.2a.pl

--- Comment #28 from Christopher Yeleighton  ---
org.kde.pim.akonadiserver: Handler exception when handling command FetchItems
on connection kontact-1880334420 (0x55a90f8389c0) : Unable to fetch item from
backend (collection -1) : Unable to retrieve from resource: [LRCONFLICT]
Resource Resource akonadi_ews_resource_2 tries to modify item 75080 () (in
collection 743) with dirty payload, aborting STORE.
I can see collection 743 in Akonadi Console but there is no item 75080 in it.

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Christopher Yeleighton]

https://bugs.kde.org/show_bug.cgi?id=389829

Christopher Yeleighton  changed:

   What|Removed |Added

 CC||criss...@gmx.de

--- Comment #27 from Christopher Yeleighton  ---
*** Bug 445747 has been marked as a duplicate of this bug. ***

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #26 from Attila  ---
Created attachment 153936
  --> https://bugs.kde.org/attachment.cgi?id=153936=edit
Greyed out line for new email

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #25 from Attila  ---
I was curious and wanted to see how long KMail takes to get the job done when
the popup window appears with "Please wait for the message to be transmitted".
I gave it up after 4 hours and pressed the "Cancel" button.
I hate to say but this is super frustrating.
By the way an attachment, to show greyed out lines for new email which are
already deleted. This lines are not accessible.

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Graeme Hewson]

https://bugs.kde.org/show_bug.cgi?id=389829

Graeme Hewson  changed:

   What|Removed |Added

 Ever confirmed|0   |1
 Status|REPORTED|CONFIRMED

--- Comment #24 from Graeme Hewson  ---
I confirm this bug is present.

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #23 from Attila  ---
This bug is still not fixed.
KMail on Fedora 36 with pop3 is pretty bugy.
I guess it has something to do with the "filter" function. I have a setup with
very simple filter rules. The filter takes a very long time to apply the rules
and sort the new emails into the correct subfoleder. My experience is not to
touch KMail while the filter function processing new emails. The filter is
pretty slow and takes 5 to 10 minutes for let's say 100 emails. The filter sort
sometimes a new email twice into the subfolder. One is readable and the other
is empty. Sometimes when I click on a new email, the email is still marked as
new and sometimes I have to click 3 times on delete to delete an email and I
see many times the popup "Please wait for the message to be transmitted".
All this is really frustrating. Can someone please take a look?

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=389829

h...@runiq.de changed:

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 CC||h...@runiq.de

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #22 from Attila  ---
This bug is unfortunately not fixed.
I see every day the message "Unable to fetch item from backend ..." on Fedora
35.
There is some more weird behaviour.

Let's say I delete 20 new e-mails one after the other (click on the icon
"delete"), then this e-mails are still marked as new mails.
After that I click on the same 20 e-mails one after the other, then they are
marked as read.
After that I click on the same 20 e-mails one after the other, then they are
finally deleted.

So sorry to say, but this bug is pretty annoying and a bad user experience.
Can someone please inspect this bug and fix it?

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #21 from Attila  ---
Created attachment 144419
  --> https://bugs.kde.org/attachment.cgi?id=144419=edit
Journalctl Akonadi Failed to open external payload

Here is some more:

akonadi_indexing_agent[3259]: org.kde.pim.akonadicore: Failed to open external
payload: "/home/aerdelyi/.local/share/akonadi/file_db_data/62/731662_r0" "No
such file or directory"

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #20 from Attila  ---
Created attachment 144382
  --> https://bugs.kde.org/attachment.cgi?id=144382=edit
Journalctl Index is not within range

Hi,

@Raúl: Thanks again for your thoughts in comment #19.

A litte warning window came up today with the message: "Please wait for the
message to be transmitted." I can wait for hours and the window will not
disappear. I have to click on "Cancel".

Today I have discovered some new lines from journalctl:

akonadi_maildir_resource[3184]: org.kde.pim.libmaildir: Maildir::readEntry
unable to find:  "1638978596336.R472.myhostname:2,S"

and

kmail[3087]: kf.xmlgui: Index  415  is not within range (0 -  21 )

Sure "Index  415  is not within range (0 -  21 )" but how can this happen?
What a nasty bug, isn't it?

Regards

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Raúl]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #19 from Raúl  ---
Hello:

I think here we are talking about 2 different issues:

* Issue reported which is that it is not possible to fetch a specific email
from akonadi backend. I think this is related to database engine, database
corruption or akonadiserver lack of sync with database. This is what your
latest journalctl log (https://bugs.kde.org/attachment.cgi?id=144299) could be
related to (or maybe not. I'm not sure) 

* A permanent deadlock in either the communication from akonadi with the
database engine or a problem in the database handling. This is exposed when
sending the `show engine innodb status;` sql statement to the database engine.
This is also exposed with the error message ` Deadlock found when trying to get
lock; try restarting transaction QMYSQL3: Unable to execute statement`  I think
this problem should be followed up in the proper bug report
https://bugs.kde.org/show_bug.cgi?id=434706 This problems prevents going on in
the kmail usage as akonadi cannot properly fetch or handle data from database.
One workaround for my is killing the mariadb server and letting akonadi to
restart it.

Regards,

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #18 from Attila  ---
Created attachment 144299
  --> https://bugs.kde.org/attachment.cgi?id=144299=edit
Journalctl Akonadi timeout writing into stream

Here is another example. This time with:

"org.kde.pim.akonadiserver: NotificationSubscriber for "MailFilterItemMonitor -
94414111761152" : timeout writing into stream"

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #17 from Attila  ---
Created attachment 144297
  --> https://bugs.kde.org/attachment.cgi?id=144297=edit
SHOW ENGINE INNODB STATUS

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #16 from Attila  ---
Created attachment 144296
  --> https://bugs.kde.org/attachment.cgi?id=144296=edit
Journalctl Akonadi

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[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #15 from Attila  ---
Hi Raúl,

thank you very much for your explanation. That was very helpfull.

I can see in the log a line like:
"Deadlock found when trying to get lock; try restarting transaction QMYSQL3:
Unable to execute statement"

"SHOW ENGINE INNODB STATUS" throws me lines out (see also attachments):
LATEST DETECTED DEADLOCK

2021-12-07 08:24:45 0x7fde283ff640
*** (1) TRANSACTION:
TRANSACTION 4390340, ACTIVE 0 sec starting index read
mysql tables in use 6, locked 6

Regards

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Raúl]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #14 from Raúl  ---
Attila, sorry for the delay in answering. I'm not a KDE developer but I can
explain you what I suspect about this bug and how it can be related (if not
duped) to https://bugs.kde.org/show_bug.cgi?id=434706.

kontact/akonadi is a user fronted which shows data that those get from akonadi
which, in turn, is closely bounded to a database. The database is made up of
tables and registers. You can take a look at those tables and registers using
an external database browser or the database command line client. For instance,
in my case akonadi relies on mariadb database engine and I can query the
akonadi data externally like this:
```
$ mariadb -S/run/user/1001/akonadi/mysql.socket
MariaDB [(none)]> use akonadi;
MariaDB [akonadi]> show tables ;
+--+
| Tables_in_akonadi|
+--+
| collectionattributetable |
| collectionmimetyperelation   |
| collectionpimitemrelation|
| collectiontable  |
| flagtable|
| mimetypetable|
| parttable|
| parttypetable|
| pimitemflagrelation  |
| pimitemtable |
| pimitemtagrelation   |
| relationtable|
| relationtypetable|
| resourcetable|
| schemaversiontable   |
| tagattributetable|
| tagremoteidresourcerelationtable |
| tagtable |
| tagtypetable |
+--+
19 rows in set (0.001 sec)
```

kontact/kmail sends database queries to feed akonadi database and also to
retrieve data. I think either the query flow or the database engine has some
kind of bug or limitation. Hence one of the database queries locks some
database tables (like those listed above) and therefore most of the database
operations are locked (they cannot be completed).

https://bugs.kde.org/show_bug.cgi?id=434706 explains some similar behavior and
that is why I asked you to check if both reports are about the same problem.
You are right that https://bugs.kde.org/show_bug.cgi?id=434706 is too technical
and this is where you could get lost.

In order to check whether the problem is the same or not, here is the list of
actions that you can perform to verify:
* Wait for the problem to reproduce or reproduce it yourself (if possible)
* Check `journalctl -xe` output and look for recent  output like this:
```
kmail[1317]: org.kde.pim.akonadicore: Received response with a different tag!
akonadi_maildispatcher_agent[1586]: void SendJob::setFrom(const QString ) 
"m...@milianw.de"
akonadi_maildispatcher_agent[1586]: d->m_returnPath   ""
akonadiserver[1305]: org.kde.pim.akonadiserver: QueryBuilder::exec(): database
reported transaction deadlock, retrying transaction
akonadiserver[1305]: org.kde.pim.akonadiserver: "Deadlock found when trying to
get lock; try restarting transaction QMYSQL3: Unable to execute statement"
akonadi_imap_resource[1583]: org.kde.pim.imapresource: "Connection to server
lost."
```
* Additionally you can connect to the mariadb socket: `mariadb
-S/run/user/1001/akonadi/mysql.socket` (1001 is your user code, maybe it's a
different number)
* Issue the following db engine query: `SHOW ENGINE INNODB STATUS` you should
see that there is a deadlock detected: *LATEST DETECTED DEADLOCK* section in
the https://bugs.kde.org/show_bug.cgi?id=434706 bug

If you find out the same outcome, this and the other bug are quite possibly a
duplicated.

One additional comment is that I think the bug is not specifically about kmail,
but about akonadi and its database engine usage.

For getting a fix, we would need that someone with enough akonadi and DB
knowledge to analyze and find out possible solutions. Unfortunately that is not
by my hand.

Regards,

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #13 from Attila  ---
(In reply to Raúl from comment #11)
> Could you please, confirm if this is a dupe of
> https://bugs.kde.org/show_bug.cgi?id=434706
> 
> In order to confirm, you would need to use mariadb/mysql client and check
> out the transaction status are described in there.
> 
> Regards,

Hi Raúl,

can you please response to my comment #12. I would like to confirm if I know
how.
One thing I would like to mention and please don't get me wrong. This bug has
been reported since more than 3 years. KMail doesn't work properly for
pop3-accounts. For example I have deleted a couple of new emails. They were
marked as read but not deleted and after 10 or more seconds they were really
deleted and gone from my inbox. Some messages came up with "Please wait ..."
inbetween.

Regards

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[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #12 from Attila  ---
Thank you for your quick reply.
I would like to confirm if this is a dupe of
https://bugs.kde.org/show_bug.cgi?id=434706, but to be honest I don't know how.
The description in there is not detailed enough to me. Sorry I am a user.
Could you please give me in short form the instruction?
I am very interested in a fix for this bug and would like to provide the
information you need.

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Raúl]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #11 from Raúl  ---
Could you please, confirm if this is a dupe of
https://bugs.kde.org/show_bug.cgi?id=434706

In order to confirm, you would need to use mariadb/mysql client and check out
the transaction status are described in there.

Regards,

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[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #10 from Attila  ---
As far as I can see, this bug effects only "subfolders" of the "local folder".
I have set up some filter. After new e-mails are sorted to the "subfolders",
many of them appear twice. Click on the first one shows an empty e-mail (this
is wrong) and the second shows the new e-mail correct. When I click on the
first e-mail again I get the message in the status bar: 

Unable to fetch item from backend  with dirty payload

It doesn't happen on my "inbox". So I think it is affected to the "subfolders"
and has something to do with filters.

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[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #9 from Attila  ---
The bug still exists on Fedora 34, KMail 5.16.2, Akonadi 5.16.2 (20.12.2).
Can someone please take a look at this bug?

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[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #8 from Attila  ---
I still get this message often (see comment 3).

KMail version 5.15.3 (20.08.3).

Operating System: Fedora 33
KDE Plasma Version: 5.20.5
KDE Frameworks Version: 5.79.0
Qt Version: 5.15.2
Kernel Version: 5.10.16-200.fc33.x86_64
OS Type: 64-bit
Processors: 8 × Intel® Core™ i7-4770T CPU @ 2.50GHz
Memory: 7.2 GiB of RAM
Graphics Processor: Mesa DRI Intel® HD Graphics 4600

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[Graeme Hewson]

https://bugs.kde.org/show_bug.cgi?id=389829

Graeme Hewson  changed:

   What|Removed |Added

 CC||b...@wormhole.me.uk

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[Raúl]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #7 from Raúl  ---
Hello I'm on debian sid and I'm still seeing this bug with:

Kontact/Kmail 5.14.1 (20.04.0)
KDE Frameworks 5.70.0
Qt 5.14.2
POP3 email account.

I've just attached a log from akonadi. The bad thing for me now is that this
bug makes akonadiserver crash.

This brings some inconveniences like it's not brought up again automatically
and you cannot go on with the kmail usage. Some other times the mysql server
(the backend I use) is bring up again, so there are 2 mysql sessions which
leads to akonadiserver annoyance as it cannot handle the situation. You would
need to stop akonadi server, kill all the mysql instances and start
akonadiserver again.

The problem is reproduced here quite often as the ghost email (wherever it is)
is not being dealt. Let me know if I can provide more information.

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[Raúl]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #6 from Raúl  ---
Created attachment 131921
  --> https://bugs.kde.org/attachment.cgi?id=131921=edit
akonadiserver log (from .xsession-errors)

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[Attila]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #5 from Attila  ---
Can someone please respond?

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--- Comment #4 from Attila  ---
I suggest that this bug should be classified as a serious bug, because I lose
every day a lot of emails. This bug should be fixed as soon as possible.

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Attila  changed:

   What|Removed |Added

 CC||bugs.kde.att...@online.de

--- Comment #3 from Attila  ---
I get this message a couple of times every week like:

Unable to fetch item from backend (collection -1) : Unable to retrieve item
from resource: [LRCONFLICT] Resource akonadi_maildir_resource_0 tries to modify
item 5831 () (in collection 19) with dirty payload, aborting STORE.

Perhaps the info is important that I am using POP3.

The version of akonadi is: 5.11.3 on Fedora 31.

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Raúl]

https://bugs.kde.org/show_bug.cgi?id=389829

Raúl  changed:

   What|Removed |Added

 CC||rasas...@gmail.com

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Albert Astals Cid]

https://bugs.kde.org/show_bug.cgi?id=389829

--- Comment #2 from Albert Astals Cid  ---
(In reply to Anguo from comment #1)
> I get this bug very regularly.
> How to use akodaniconsole to delete the ghost email?

akonadiconsole->browser->find ghost email->right click->delete item

You'll recognize the ghost email because clicking on it says " "Unable to fetch
item from backend" on the terminal you started akonadiconsole.

> 
> 
> I really miss the simpler times of kmail 1. The akodani framework has only
> brought me complications without any apparent useful feature.

You should have omitted this part, it doesn't give any important information
and only creates negativity.

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[Akonadi] [Bug 389829] "Unable to fetch item from backend" after deleting it using akonadi_maildir_resource_0

[Anguo]

https://bugs.kde.org/show_bug.cgi?id=389829

Anguo  changed:

   What|Removed |Added

 CC||kde_b...@overshoot.tv

--- Comment #1 from Anguo  ---
I get this bug very regularly.
How to use akodaniconsole to delete the ghost email?


I really miss the simpler times of kmail 1. The akodani framework has only
brought me complications without any apparent useful feature.

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