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[Bug]: [Scanner] matchLibraryItems: Library has no items after Matching Books #1394

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opened 2026-04-24 23:43:52 +02:00 by adam · 10 comments
adam commented 2026-04-24 23:43:52 +02:00
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Originally created by @jezaldanluthar on GitHub (Sep 18, 2023).

Describe the issue

After Matching Books on my 2nd Library the scanner will freeze and I get this error message: ERROR [Scanner] matchLibraryItems: Library has no items 01f7d1f4-2a9e-4706-bbc0-ad2cf1c3bdb1

The library Circle keeps spinning forever and the Scanning Library info won't disappear until I restart the docker

The weird thing is that this only happens for one of my libraries! If I match audiobooks in my first library with 150 audiobooks I dont get the error. Whenever I match audiobooks from my 2nd library I get this error:

ERROR [Scanner] matchLibraryItems: Library has no items 01f7d1f4-2a9e-4706-bbc0-ad2cf1c3bdb1

Using v2.4.3 with Docker, Using Edge on Windows 10, Audiobooks are mostly mp3s and m4b files

I tried trial and error to see if it maybe was one of my audiobooks in the 2nd library was causing this. I deleted the 2nd library, created a new library, moved 1 of my audiobooks from my first library to it and still got the same error.

I don't think it's a file name issue since matching and scanning works fine for my first library.

Here is the file tree for the library I get the error on: https://pastebin.com/hUjErUve

I rolled back to 2.3.3 where I dont get this error. Any idea what it could be?

Steps to reproduce the issue

  1. Add 2nd library
  2. Scan Library
  3. Match Books
  4. [Scanner] matchLibraryItems: Library has no items 01f7d1f4-2a9e-4706-bbc0-ad2cf1c3bdb1
  5. Go to config/libraries
  6. Circle keeps spinning forever and the Scanning Library info won't disappear until I restart the docker

msedge_F0Ao0Mpd3C

Audiobookshelf version

2.4.3

How are you running audiobookshelf?

Docker

Originally created by @jezaldanluthar on GitHub (Sep 18, 2023). ### Describe the issue After Matching Books on my 2nd Library the scanner will freeze and I get this error message: ERROR [Scanner] matchLibraryItems: Library has no items 01f7d1f4-2a9e-4706-bbc0-ad2cf1c3bdb1 The library Circle keeps spinning forever and the Scanning Library info won't disappear until I restart the docker The weird thing is that this only happens for one of my libraries! If I match audiobooks in my first library with 150 audiobooks I dont get the error. Whenever I match audiobooks from my 2nd library I get this error: ERROR [Scanner] matchLibraryItems: Library has no items 01f7d1f4-2a9e-4706-bbc0-ad2cf1c3bdb1 Using v2.4.3 with Docker, Using Edge on Windows 10, Audiobooks are mostly mp3s and m4b files I tried trial and error to see if it maybe was one of my audiobooks in the 2nd library was causing this. I deleted the 2nd library, created a new library, moved 1 of my audiobooks from my first library to it and still got the same error. I don't think it's a file name issue since matching and scanning works fine for my first library. Here is the file tree for the library I get the error on: https://pastebin.com/hUjErUve I rolled back to 2.3.3 where I dont get this error. Any idea what it could be? ### Steps to reproduce the issue 1. Add 2nd library 2. Scan Library 3. Match Books 4. [Scanner] matchLibraryItems: Library has no items 01f7d1f4-2a9e-4706-bbc0-ad2cf1c3bdb1 5. Go to config/libraries 6. Circle keeps spinning forever and the Scanning Library info won't disappear until I restart the docker ![msedge_F0Ao0Mpd3C](https://github.com/advplyr/audiobookshelf/assets/47871184/77d1543b-f137-450c-86dc-ae17f30072e2) ### Audiobookshelf version 2.4.3 ### How are you running audiobookshelf? Docker
adam added the bug label 2026-04-24 23:43:52 +02:00
adam closed this issue 2026-04-24 23:43:53 +02:00
adam commented 2026-04-24 23:43:54 +02:00
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@advplyr commented on GitHub (Sep 18, 2023):

After you scan the library are you able to see all the books populated?

@advplyr commented on GitHub (Sep 18, 2023): After you scan the library are you able to see all the books populated?
adam commented 2026-04-24 23:43:54 +02:00
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@advplyr commented on GitHub (Sep 18, 2023):

Actually, I see a bug in the code that could be showing that error. How many books are scanned in for that library?

@advplyr commented on GitHub (Sep 18, 2023): Actually, I see a bug in the code that could be showing that error. How many books are scanned in for that library?
adam commented 2026-04-24 23:43:56 +02:00
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@jezaldanluthar commented on GitHub (Sep 18, 2023):

After you scan the library are you able to see all the books populated?

Yes.

Actually, I see a bug in the code that could be showing that error. How many books are scanned in for that library?

26 audiobooks.

I just tried it 1 on 1. Reinstalled audiobookshelf, added 1 audiobook, scanned, match and got the error even after 1 audiobook. I get the error after matching

I don't get why it works when i do the exact same thing on my library with +150 books though. I even combined both libraries now and it works.

My thoughts as a total noob: Has to do something with the number of audiobooks in a library. Too few and it will show that error. Rolling back to 2.3.3 fixes this issue for me

edit: I added 80 audiobooks to a new library, scanned, match got the same error

restarted the docker to get rid of the hanging scanner, added 39 more audiobooks for a total of 119 audiobooks in the library. scanned, match and the error didnt appear.

My guess is the threshold is ~100 audiobooks?

@jezaldanluthar commented on GitHub (Sep 18, 2023): > After you scan the library are you able to see all the books populated? Yes. > Actually, I see a bug in the code that could be showing that error. How many books are scanned in for that library? 26 audiobooks. I just tried it 1 on 1. Reinstalled audiobookshelf, added 1 audiobook, scanned, match and got the error even after 1 audiobook. I get the error after matching I don't get why it works when i do the exact same thing on my library with +150 books though. I even combined both libraries now and it works. My thoughts as a total noob: Has to do something with the number of audiobooks in a library. Too few and it will show that error. Rolling back to 2.3.3 fixes this issue for me edit: I added 80 audiobooks to a new library, scanned, match got the same error restarted the docker to get rid of the hanging scanner, added 39 more audiobooks for a total of 119 audiobooks in the library. scanned, match and the error didnt appear. My guess is the threshold is ~100 audiobooks?
adam commented 2026-04-24 23:43:57 +02:00
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@advplyr commented on GitHub (Sep 18, 2023):

I haven't tested yet but as a temporary workaround you can use the batch select and quick match in the top appbar. In-case you weren't aware of that. You can also hold down shift and select all books in-between
image

@advplyr commented on GitHub (Sep 18, 2023): I haven't tested yet but as a temporary workaround you can use the batch select and quick match in the top appbar. In-case you weren't aware of that. You can also hold down shift and select all books in-between ![image](https://github.com/advplyr/audiobookshelf/assets/67830747/54618647-a3f8-478d-a8fe-95e6057142a2)
adam commented 2026-04-24 23:43:57 +02:00
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@advplyr commented on GitHub (Sep 19, 2023):

I just tried reproducing this with a library of 4 books and a library of 22 books and wasn't able to reproduce it.

I just realized you said you have that notification that spins forever. Is that also happening with 1 book?

@advplyr commented on GitHub (Sep 19, 2023): I just tried reproducing this with a library of 4 books and a library of 22 books and wasn't able to reproduce it. I just realized you said you have that notification that spins forever. Is that also happening with 1 book?
adam commented 2026-04-24 23:43:58 +02:00
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@advplyr commented on GitHub (Sep 19, 2023):

I found the original issue you mentioned about the scan staying there spinning until you restart the server. I was only able to reproduce this by having a library that was empty, so we still need to identify how you are getting this when you have books already in your library.

@advplyr commented on GitHub (Sep 19, 2023): I found the original issue you mentioned about the scan staying there spinning until you restart the server. I was only able to reproduce this by having a library that was empty, so we still need to identify how you are getting this when you have books already in your library.
adam commented 2026-04-24 23:43:59 +02:00
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@jezaldanluthar commented on GitHub (Sep 19, 2023):

I just realized you said you have that notification that spins forever. Is that also happening with 1 book?

Yes! Here is a 50 second video showing it. Maybe you're spotting something I am doing wrong! Fresh install of audiobookshelf, add a new "Test" Library with 1 Audiobook. Scan Library, wait for scan to finish, Match Books --> Get error and scanner freezes

https://github.com/advplyr/audiobookshelf/assets/47871184/52201d6d-f95b-435c-b250-bf5b0a201366

LOGS:
FcSyv9Q

@jezaldanluthar commented on GitHub (Sep 19, 2023): > I just realized you said you have that notification that spins forever. Is that also happening with 1 book? Yes! Here is a 50 second video showing it. Maybe you're spotting something I am doing wrong! Fresh install of audiobookshelf, add a new "Test" Library with 1 Audiobook. Scan Library, wait for scan to finish, Match Books --> Get error and scanner freezes https://github.com/advplyr/audiobookshelf/assets/47871184/52201d6d-f95b-435c-b250-bf5b0a201366 LOGS: ![FcSyv9Q](https://github.com/advplyr/audiobookshelf/assets/47871184/198063ee-6fa4-4e38-bee4-c2542c64275a)
adam commented 2026-04-24 23:44:00 +02:00
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@advplyr commented on GitHub (Sep 21, 2023):

This may be a permissions issue with the database. After you scan in that single book like you showed in your test video, if you then restart your server is the book still there?

@advplyr commented on GitHub (Sep 21, 2023): This may be a permissions issue with the database. After you scan in that single book like you showed in your test video, if you then restart your server is the book still there?
adam commented 2026-04-24 23:44:01 +02:00
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@jezaldanluthar commented on GitHub (Sep 22, 2023):

This may be a permissions issue with the database. After you scan in that single book like you showed in your test video, if you then restart your server is the book still there?

Just tested it and yes, the book is still there after I restart the docker. I will patiently wait for 2.4.4 and see if that fixes it. Your workaround works fine

edit: 2.4.4 fixed it

@jezaldanluthar commented on GitHub (Sep 22, 2023): > This may be a permissions issue with the database. After you scan in that single book like you showed in your test video, if you then restart your server is the book still there? Just tested it and yes, the book is still there after I restart the docker. I will patiently wait for 2.4.4 and see if that fixes it. Your workaround works fine edit: 2.4.4 fixed it
adam commented 2026-04-24 23:44:03 +02:00
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@advplyr commented on GitHub (Sep 30, 2023):

Fixed in v2.4.4

@advplyr commented on GitHub (Sep 30, 2023): Fixed in [v2.4.4](https://github.com/advplyr/audiobookshelf/releases/tag/v2.4.4)
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Reference: starred/audiobookshelf#1394
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