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Old 08-29-2016, 04:18 PM   #16
theducks
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Quote:
Originally Posted by philmagic59 View Post
Thanks for your response.
I am reconstructing in Calibre a copy of directory of my books.
So I cannot use Calibre to try what you tell me to do.
But yesterday I reinitialized my Kobo, and I have always same problem. And Windows 8.1 tells me that I have not problems on the memory of my Kobo.
Again thank you.
Windows can not test Memory on any external device.
Windows can test some Storage.

But this report is a malformed (insider the) DB file

A Kobo expert will need to step forward since you have reinitialized
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Old 08-29-2016, 11:33 PM   #17
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This is a corrupt database on the Kobo, simply log out and log in again on your Kobo to have the database rebuilt.
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Old 08-29-2016, 11:59 PM   #18
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Quote:
Originally Posted by philmagic59 View Post
Thanks for your response.
I am reconstructing in Calibre a copy of directory of my books.
So I cannot use Calibre to try what you tell me to do.
But yesterday I reinitialized my Kobo, and I have always same problem. And Windows 8.1 tells me that I have not problems on the memory of my Kobo.
Again thank you.
The error above means that the database on the device is corrupt. The solution is to signout of the Kobo account on the device and then back in. This will create a new database and reload all the books on the device.

The cause of the database corruption is the problem. The simplest reason is not safely ejecting the device. There seems to be other reasons, but, I haven't tracked them down.

How did you "reinitialize" the Kobo? Do you mean a factory reset? Or pressing the pinhole reset button? Or something else?
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Old 02-08-2017, 03:53 PM   #19
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Hi, this is the error I get:

calibre, version 2.78.0
ERRORE: Errore: Errore di comunicazione col dispositivo

CorruptError: database disk image is malformed

Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 88, in run
File "site-packages\calibre\gui2\device.py", line 536, in _sync_booklists
File "calibre_plugins.kobotouch_extended.device.driver" , line 402, in sync_booklists
File "site-packages\calibre\devices\kobo\driver.py", line 935, in sync_booklists
File "site-packages\calibre\devices\kobo\driver.py", line 2365, in update_device_database_collections
File "site-packages\calibre\devices\kobo\driver.py", line 2840, in set_series
File "c:\cygwin64\home\kovid\sw\build\apsw-3.8.2-r1\src\cursor.c", line 231, in resetcursor
CorruptError: CorruptError: database disk image is malformed

I can connect my kobo glo to calibre, which reads the books inside (or not) the glo, but whenever I try to send new books to the glo I get that error message.
Do I need to log out from kobo or restore Calibre database? Or?

Thanks in advance
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Old 02-08-2017, 06:14 PM   #20
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Quote:
Originally Posted by trinity1 View Post
Hi, this is the error I get:

calibre, version 2.78.0
ERRORE: Errore: Errore di comunicazione col dispositivo

CorruptError: database disk image is malformed

Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 88, in run
File "site-packages\calibre\gui2\device.py", line 536, in _sync_booklists
File "calibre_plugins.kobotouch_extended.device.driver" , line 402, in sync_booklists
File "site-packages\calibre\devices\kobo\driver.py", line 935, in sync_booklists
File "site-packages\calibre\devices\kobo\driver.py", line 2365, in update_device_database_collections
File "site-packages\calibre\devices\kobo\driver.py", line 2840, in set_series
File "c:\cygwin64\home\kovid\sw\build\apsw-3.8.2-r1\src\cursor.c", line 231, in resetcursor
CorruptError: CorruptError: database disk image is malformed

I can connect my kobo glo to calibre, which reads the books inside (or not) the glo, but whenever I try to send new books to the glo I get that error message.
Do I need to log out from kobo or restore Calibre database? Or?
That is a sign of a corrupt database on the device. You should sign out of the Kobo account and back in to fix it. Or restore from a recent backup if you have one.
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Old 04-28-2018, 08:22 AM   #21
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Hi,
I need your help...But first, sorry for my bad english (i'm french).
Since I made the caliber and kobo software updates (Why, but why did I do that ?), my Kobo H2O will have work badly.

This message is displayed :
"CorruptError: database disk image is malformed

Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 87, in run
File "site-packages\calibre\gui2\device.py", line 510, in _books
File "site-packages\calibre\devices\kobo\driver.py", line 1859, in books
File "c:\t\t\apsw-j6gj96\apsw-3.13.0-r1\src\cursor.c", line 236, in resetcursor
CorruptError: CorruptError: database disk image is malformed"

Can someone help me (and explain simpy) ?
Thanks !
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Old 04-28-2018, 08:32 AM   #22
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Quote:
Originally Posted by cathcath View Post
Hi,
I need your help...But first, sorry for my bad english (i'm french).
Since I made the caliber and kobo software updates (Why, but why did I do that ?), my Kobo H2O will have work badly.

This message is displayed :
"CorruptError: database disk image is malformed

Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 87, in run
File "site-packages\calibre\gui2\device.py", line 510, in _books
File "site-packages\calibre\devices\kobo\driver.py", line 1859, in books
File "c:\t\t\apsw-j6gj96\apsw-3.13.0-r1\src\cursor.c", line 236, in resetcursor
CorruptError: CorruptError: database disk image is malformed"

Can someone help me (and explain simpy) ?
Firstly, it is very unlikely that this was caused by a firmware update. At the most, the update might have highlighted an existing problem. And it is not a calibre update.

The above means that the database is corrupt. Why, I don't know. The most common reason is not safely ejecting the device from the PC. The fix is to restore a recent backup of the database, if you have one. Otherwise you need to sign out of the Kobo account on the device. When you do this, the database will be rebuilt from scratch during the setup and then it will reload the sideloaded books. Unfortunately, you will lose the reading status, bookmarks and collections for your sideloaded books.
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Old 04-28-2018, 11:17 AM   #23
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Thank you for your response so fast!
Indeed, I remember putting my PC on standby without ejecting the e-reader ... Did this cause the problem?
As I did not know what is to restore a recent backup of the database, i
signed out of the Kobo account on the device.
And it's ok !
Some things are different (not the same version of the software) but all my books are in the e-reader (disorder).
Thank you veryyyyy much for you help (and I will now always carefully eject my e-reader !!!)
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Old 04-28-2018, 09:49 PM   #24
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Quote:
Originally Posted by cathcath View Post
Thank you for your response so fast!
Indeed, I remember putting my PC on standby without ejecting the e-reader ... Did this cause the problem?
It is possible. It has been a while since I have done that, so I'm not sure.
Quote:
As I did not know what is to restore a recent backup of the database,
My Kobo Utilities plugin has function to do a backup of some important files when the device is connected to calibre.
Quote:
i
signed out of the Kobo account on the device.
And it's ok !
Some things are different (not the same version of the software) but all my books are in the e-reader (disorder).
The "Recent" and "Date added" orders should be in title order. That is the way books are imported when a few are sideloaded in a batch. If you want to change that, my Kobo Utilities plugin has a way to change the "Date added" order to one of the dates on the book in the calibre library.
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Old 04-29-2018, 04:09 AM   #25
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Thanks for your help !
I patiently put all my books in the right categories...
What are your Kobo Utilities plugin you're talking about ?
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Old 04-29-2018, 05:33 AM   #26
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Quote:
Originally Posted by cathcath View Post
What are your Kobo Utilities plugin you're talking about ?
@cathcath - you'll find it in the Index of plugins

BR
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Old 04-29-2018, 06:44 AM   #27
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@BetterRed : thanks !
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Old 12-10-2021, 01:57 PM   #28
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Hi. When I try to delete a specific book i get this error:

Code:
calibre 5.33  embedded-python: True is64bit: False
Windows-10-10.0.19041 Windows ('32bit', 'WindowsPE')
32bit process running on 64bit windows
('Windows', '10', '10.0.19041')
Python 3.8.5
Windows: ('10', '10.0.19041', '', 'Multiprocessor Free')
Interface language: es
Successfully initialized third party plugins: Count Pages (1, 11, 1) && Find Duplicates (1, 8, 10)
Traceback (most recent call last):
  File "calibre\gui2\actions\delete.py", line 419, in delete_books
  File "calibre\gui2\actions\delete.py", line 390, in do_library_delete
  File "calibre\gui2\library\models.py", line 420, in delete_books_by_id
  File "calibre\db\cache.py", line 75, in call_func_with_lock
  File "calibre\db\cache.py", line 1796, in remove_books
  File "calibre\db\backend.py", line 1750, in remove_books
  File "calibre\db\backend.py", line 948, in executemany
apsw.CorruptError: CorruptError: database disk image is malformed
All the other books are fine. The Calibre app is working pretty fine and the error just comes out for that specific book.

I don't want to recover the full database. Is there any way to delete a book through the terminal?

Thanks in advance!
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Old 12-10-2021, 02:25 PM   #29
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Run Library Maintenance: both passes.
It will clean most errors quickly and list orphans (problem items)
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Old 12-10-2021, 03:38 PM   #30
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Quote:
Originally Posted by theducks View Post
Run Library Maintenance: both passes.
It will clean most errors quickly and list orphans (problem items)
I thought about it, but library database has 95.000 ebooks in both ePub and MOBI. So, it takes many many hours and i just want to delete a book.
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