Adding books on cli leads to error

johnny_cgn · 06-23-2018, 09:07 AM

Since a few days i'm getting the following errors buy trying to add books with:

Code:

calibredb add /home/storage01/inbox/XXX.epub --library-path /home/storage01/calibre/my_bib/

Code:

Traceback (most recent call last):
  File "site.py", line 77, in main
  File "site-packages/calibre/db/cli/main.py", line 255, in main
  File "site-packages/calibre/db/cli/main.py", line 55, in run_cmd
  File "site-packages/calibre/db/cli/cmd_add.py", line 374, in main
  File "site-packages/calibre/db/cli/cmd_add.py", line 152, in do_add
  File "site-packages/calibre/db/cli/main.py", line 192, in run
  File "site-packages/calibre/db/cli/cmd_add.py", line 65, in implementation
  File "site-packages/calibre/db/cli/cmd_add.py", line 44, in book
  File "site-packages/calibre/db/cache.py", line 1596, in add_books
  File "site-packages/calibre/db/cache.py", line 63, in call_func_with_lock
  File "site-packages/calibre/db/cache.py", line 1566, in create_book_entry
  File "site-packages/calibre/db/cache.py", line 1284, in set_metadata
  File "site-packages/calibre/db/cache.py", line 1271, in set_field
  File "site-packages/calibre/db/cache.py", line 1092, in set_field
  File "site-packages/calibre/db/write.py", line 544, in set_books
  File "site-packages/calibre/db/write.py", line 466, in many_many
  File "site-packages/calibre/db/backend.py", line 857, in executemany
  File "src/cursor.c", line 236, in resetcursor
ConstraintError: ConstraintError: Foreign key violation: authors is still referenced

It does not seem to matter which book or what format. The error stays.

I'm running calibre 3.21 headless on Ubuntu 16.04.4 LTS.

kovidgoyal · 06-23-2018, 11:18 PM

That error indicates your database is damaged. You can use the

calibredb restore_database

command. But read the help of that command first.

johnny_cgn · 06-24-2018, 06:42 AM

Thank's for the quick reply.
Restoration is running now.
Any indications why the db got corrupted? Hints coud help to avoid.

kovidgoyal · 06-24-2018, 08:47 AM

There's no way to know, the typical causes are filesystem corruption caused by using the library on a flaky filesystem such as a networked filesystem, or a flash media or ina location where multiple programs try to write tothe same folders at the same time.

johnny_cgn · 06-24-2018, 10:34 AM

Well, since I run calibre on a vpn that is just managing this library I guess at least the fs part might be save.

Btw. after restoring the db, the error still exists. Any other ideas?
What I found out is, that the title is added to db but with no files.

kovidgoyal · 06-24-2018, 10:02 PM

Then attach your metadata.db and the book you are trying to add and I will take a look.

johnny_cgn · 06-25-2018, 04:10 PM

I would be very grateful if u could do that.
Book and db

kovidgoyal · 06-25-2018, 09:21 PM

Are you sure you rebuilt it, because that database is still damaged. For example,

Code:

echo 'select * from books_authors_link where author=29638;' | sqlite3 metadata.db                                                  *
Error: near line 1: database disk image is malformed

kovidgoyal · 06-25-2018, 09:23 PM

You can probably fix it with

Code:

echo .dump | sqlite3 metadata.db > metadata.sql
sqlite3 fixed.db < metadata.sql
mv fixed.db metadata.db

johnny_cgn · 06-26-2018, 03:22 AM

In the 2nd step I'm getting the following error

Code:

Error: near line 534046: UNIQUE constraint failed: tags.name

kovidgoyal · 06-26-2018, 03:23 AM

That's ok, the db will stil be rebuilt.

johnny_cgn · 06-26-2018, 04:12 AM

Awesome. That works. Thank you

06-25-2018, 09:21 PM	#8
kovidgoyal creator of calibre Posts: 45,157 Karma: 27110894 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Are you sure you rebuilt it, because that database is still damaged. For example, Code: echo 'select * from books_authors_link where author=29638;' \| sqlite3 metadata.db * Error: near line 1: database disk image is malformed

06-25-2018, 09:23 PM	#9
kovidgoyal creator of calibre Posts: 45,157 Karma: 27110894 Join Date: Oct 2006 Location: Mumbai, India Device: Various	You can probably fix it with Code: echo .dump \| sqlite3 metadata.db > metadata.sql sqlite3 fixed.db < metadata.sql mv fixed.db metadata.db

06-26-2018, 03:22 AM	#10
johnny_cgn Junior Member Posts: 6 Karma: 10 Join Date: Jun 2018 Device: none	In the 2nd step I'm getting the following error Code: Error: near line 534046: UNIQUE constraint failed: tags.name

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06-23-2018, 11:18 PM	#2
kovidgoyal creator of calibre Posts: 45,157 Karma: 27110894 Join Date: Oct 2006 Location: Mumbai, India Device: Various	That error indicates your database is damaged. You can use the calibredb restore_database command. But read the help of that command first.

06-24-2018, 06:42 AM	#3
johnny_cgn Junior Member Posts: 6 Karma: 10 Join Date: Jun 2018 Device: none	Thank's for the quick reply. Restoration is running now. Any indications why the db got corrupted? Hints coud help to avoid.

06-24-2018, 08:47 AM	#4
kovidgoyal creator of calibre Posts: 45,157 Karma: 27110894 Join Date: Oct 2006 Location: Mumbai, India Device: Various	There's no way to know, the typical causes are filesystem corruption caused by using the library on a flaky filesystem such as a networked filesystem, or a flash media or ina location where multiple programs try to write tothe same folders at the same time.

06-24-2018, 10:34 AM	#5
johnny_cgn Junior Member Posts: 6 Karma: 10 Join Date: Jun 2018 Device: none	Well, since I run calibre on a vpn that is just managing this library I guess at least the fs part might be save. Btw. after restoring the db, the error still exists. Any other ideas? What I found out is, that the title is added to db but with no files.

06-24-2018, 10:02 PM	#6
kovidgoyal creator of calibre Posts: 45,157 Karma: 27110894 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Then attach your metadata.db and the book you are trying to add and I will take a look.

06-25-2018, 04:10 PM	#7
johnny_cgn Junior Member Posts: 6 Karma: 10 Join Date: Jun 2018 Device: none	I would be very grateful if u could do that. Book and db

06-26-2018, 03:23 AM	#11
kovidgoyal creator of calibre Posts: 45,157 Karma: 27110894 Join Date: Oct 2006 Location: Mumbai, India Device: Various	That's ok, the db will stil be rebuilt.

06-26-2018, 04:12 AM	#12
johnny_cgn Junior Member Posts: 6 Karma: 10 Join Date: Jun 2018 Device: none	Awesome. That works. Thank you

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