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Old 10-04-2019, 05:40 PM   #1
hydin
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Question CAlibre 4.0 - Can't open database file errors

Upgraded to 4.0, tried to add some books and got an error (pasted below), went to library maintenance and check library, got the same sort of error about not being able to open the database file.

Code:
alibre, version 4.0.0
ERROR: Errors while adding: Failed to add any books, click "Show details" for more information


----------------------------------------------------------------------
Failed to add the book: Asteroid Discovery: A Gunner Fox Trilogy (The Asteroid Series Book 1)
	C:\Users\Chris\Downloads\As05teroidDiscoveryAGunnerFoxTrilogyT.epub
With error:
Traceback (most recent call last):
  File "site-packages\calibre\gui2\add.py", line 414, in add_book
  File "site-packages\calibre\db\legacy.py", line 225, in create_book_entry
  File "site-packages\calibre\db\cache.py", line 62, in call_func_with_lock
  File "site-packages\calibre\db\cache.py", line 1580, in create_book_entry
  File "site-packages\calibre\db\backend.py", line 874, in execute
  File "c:\t\t\apsw-tti2z1cq\src\cursor.c", line 236, in resetcursor
CantOpenError: CantOpenError: unable to open database file


Code:
calibre, version 4.0.0
ERROR: Failed: Database integrity check failed, click Show details for details.

Traceback (most recent call last):
  File "site-packages\calibre\gui2\dialogs\check_library.py", line 54, in vacuum
  File "site-packages\calibre\db\cache.py", line 62, in call_func_with_lock
  File "site-packages\calibre\db\cache.py", line 2076, in vacuum
  File "site-packages\calibre\db\backend.py", line 1145, in vacuum
  File "site-packages\calibre\db\backend.py", line 874, in execute
  File "c:\t\t\apsw-tti2z1cq\src\cursor.c", line 236, in resetcursor
CantOpenError: CantOpenError: unable to open database file
Also happens if I try to swap libraries or read a book in the program.

Any ideas on if I did something weird or wrong?

Thanks!
Chris

Last edited by hydin; 10-04-2019 at 05:45 PM.
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Old 10-04-2019, 06:13 PM   #2
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what is the FULL path to the Library?
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Old 10-04-2019, 06:36 PM   #3
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Full path is d:\librarycopy\Library for the main one.
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Old 10-04-2019, 06:39 PM   #4
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Quote:
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Full path is d:\librarycopy\Library for the main one.
Is there a metadata.db file in that folder?

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Old 10-04-2019, 06:45 PM   #5
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Yup! Checked and it's not marked as read only or hidden.
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Old 10-04-2019, 06:46 PM   #6
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Try disabling your AV and see if that might be causing the problem.
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Old 10-04-2019, 06:51 PM   #7
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Nope, disabled all shields and active processes for the antivirus, still the same error. Even when swapping to a different library.

Note, I didn't change anything when I installed 4, just downloaded and installed. Same error now when I try to run 3.34 (the one I upgraded from), I get the same error about adding to the libraries, etc.

Chris
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Old 10-04-2019, 06:53 PM   #8
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Try disabling your AV and see if that might be causing the problem.
And if that casts no light, try Safe mode.

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Old 10-04-2019, 06:55 PM   #9
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And if that casts no light, try Safe mode.

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That is a good idea.
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Old 10-04-2019, 08:14 PM   #10
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Same problem in safe mode.
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Old 10-04-2019, 08:19 PM   #11
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Try creating a new library, if possible on another drive, and try to add a book to it.

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Old 10-04-2019, 08:23 PM   #12
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Quote:
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Same problem in safe mode.
make a copy of the database files do a restore database from the library maintenance menu when you click the database icon in the toolbar. That will rebuild the database and that should fix the problem.
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Old 10-04-2019, 09:00 PM   #13
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Quote:
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Full path is d:\librarycopy\Library for the main one.
That isn't a DVD or CD drive? (D: is commonly that letter)
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Old 10-04-2019, 10:18 PM   #14
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Nah, no optical discs on the PC. Just lots and lots of hard drives. I'll try the backup idea mentioned above and let you guys know how it goes!

Thanks!
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Old 10-05-2019, 08:23 AM   #15
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Wow this is gonna take a while. I'll update in a day or two. If anyone is looking for programming feedback, some sort of percentage or something would be awesome. I'm just looking at a solid bar with a warning that this is gonna be a three step process.
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