I have a similar problem too, but on Linux. It used to work. The flac files play. But no cover art or pdf’s can display.
I did a clean install and rebuilt the database, to no avail.
Everything in my Music directory has world read access. It used to work, but stopped for new additions.
RoonServer runs as root, so ownerships should not matter. But what permissions are needed? For example, I have:
jarfx:/lacie/Music # cd “Woolf, Alex”
jarfx:/lacie/Music/Woolf, Alex # ls -l
total 0
drwxrwxr-x 1 jar squeezeboxserver 450 Mar 3 2021 Requiem; Nicky Spence, Philip Higham, Iain Burnside, Vox Luna- Alex Woolf
jarfx:/lacie/Music/Woolf, Alex # ls -l "Requiem; Nicky Spence, Philip Higham, Iain Burnside, Vox Luna- Alex Woolf"total 965488
-rw-rw-r-- 1 jar squeezeboxserver 898953 Mar 3 2021 000137166.pdf
-rw-rw-r-- 1 jar squeezeboxserver 94465 Mar 3 2021 ftg4were4ovja_600.jpg
-rw-rw-r-- 1 jar squeezeboxserver 136961795 Mar 3 2021 III. The Fall.flac
-rw-rw-r-- 1 jar squeezeboxserver 139188246 Mar 3 2021 II. Kyrie.flac
-rw-rw-r-- 1 jar squeezeboxserver 76417325 Mar 3 2021 I. Introit.flac
-rw-rw-r-- 1 jar squeezeboxserver 82814162 Mar 3 2021 IV. Offertory.flac
-rw-rw-r-- 1 jar squeezeboxserver 102424725 Mar 3 2021 IX. Pie Jesu.flac
-rw-rw-r-- 1 jar squeezeboxserver 61753434 Mar 3 2021 VI. A Crowd of Cares.flac
-rw-rw-r-- 1 jar squeezeboxserver 106986055 Mar 3 2021 VII. Agnus Dei.flac
-rw-rw-r-- 1 jar squeezeboxserver 115368450 Mar 3 2021 VIII. The Year’s Midnight.flac
-rw-rw-r-- 1 jar squeezeboxserver 73486406 Mar 3 2021 V. Sanctus.flac
-rw-rw-r-- 1 jar squeezeboxserver 92236890 Mar 3 2021 X. In paradisum.flac
In the log, I get things like:
01/21 10:14:57 Trace: [music/searchindex] added: 1 albums, 0 tracks, 0 works, 0 performers, 0 labels, 0 genres
01/21 10:14:57 Trace: [storage] [directory] extracting /lacie/Music/Buxtehude, Dieterich/Cantates pour voix seule – Manuscrits d’Uppsala; La Rêveuse, Benjamin Perrot, Florence Bolton and Maïlys de Villoutreys, Florence Bolton, Maïlys de Villoutreys/04-Johann Philipp Förtsch (1652 - 1732)_ From the depths I call Lord to you.flac
01/21 10:14:57 Trace: [storage] [directory] extracting /lacie/Music/Buxtehude, Dieterich/Cantates pour voix seule – Manuscrits d’Uppsala; La Rêveuse, Benjamin Perrot, Florence Bolton and Maïlys de Villoutreys, Florence Bolton, Maïlys de Villoutreys/05-Dietrich Buxtehude_ Sonata VI in D minor, Op. BuxWV 257, BuxWV 1.flac
01/21 10:14:57 Debug: [easyhttp] [1048] HEAD to https://imagecache.roonlabs.net/im/1/albums/3e0118f29ea3559945418a428e262d0138dc/cover/256sq.jpg returned after 344 ms, status code: 200
01/21 10:14:57 Trace: [identification] downloaded cover for 62:1:a39ef218-9955-4145-8a42-8e262d0138dc in 345ms
01/21 10:14:57 Trace: [library/compute] computing 50 tracks
01/21 10:14:57 Trace: [dbperf] flush 305386 bytes, 248 ops in 17 ms (cumulative 555416427 bytes, 565611 ops in 155422 ms)
01/21 10:14:57 Trace: [library] finished with 50 dirty tracks 1 dirty albums 7 dirty performers 47 dirty works 52 dirty performances 3 dirty genres 0 clumping tracks, 0 clumping auxfiles 50 compute tracks, 0 deleted tracks, 50 tracks to (re)load, 0 tracks to retain, 0 auxfiles to (re)load, 0 auxfiles to retain, and 160 changed objects
01/21 10:14:57 Trace: [library] endmutation in 11ms