[BUG] Cover Image Unavailable

[tcn33]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

Adding new comics results in Cover Image Unavailable in the comic info page. A fix for this has been detailed in the main mylar3 repo, which is to add the string "comic" to cv_user_agent in config.ini.

Expected Behavior

The cover image should be applied when adding a new comic.

Steps To Reproduce

1. Add a new comic.
2. Result is that the comic is added but the cover image is unavailable.

Environment

- OS: Ubuntu 24.04
- How docker service was installed: docker compose lscr.io/linuxserver/mylar3:latest

CPU architecture

x86-64

Docker creation

---
services:
  mylar3:
    image: lscr.io/linuxserver/mylar3:latest
    container_name: mylar3
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Australia/Melbourne
    volumes:
      - /home/plex/config/mylar:/config
      - /mnt/plexstorage/comics:/comics
      - /home/plex/Downloads/complete/comics:/downloads
    ports:
      - 8090:8090
    restart: unless-stopped
    labels:
      glance.name: Mylar
      glance.icon: https://cdn.jsdelivr.net/gh/homarr-labs/dashboard-icons/png/mylar.png
      glance.url: https://mylar.tcn33.fyi
      glance.description: Comic downloader

Container logs

29-Dec-2025 14:29:41 - INFO :: mylar.pullist.2930 : CP Server Thread-9 : trying to repopulate to week: 1-2025
29-Dec-2025 14:29:41 - INFO :: mylar.pullrecreate.3153 : CP Server Thread-9 : [PULL-LIST] Now Recreating the Pull-list for week 1, 2025...
29-Dec-2025 14:29:41 - INFO :: mylar.pullit.72 : CP Server Thread-9 : [PULL-LIST] Populating & Loading pull-list data directly from alternate website
29-Dec-2025 14:29:41 - INFO :: mylar.pullit.98 : CP Server Thread-9 : [PULL-LIST] Populating & Loading pull-list data directly from alternate website for specific week of 0, 2025
29-Dec-2025 14:29:42 - WARNING :: mylar.locg.64 : CP Server Thread-9 : [619] No date supplied, or an invalid date was provided [None]
29-Dec-2025 14:29:42 - WARNING :: mylar.pullit.112 : CP Server Thread-9 : [PULL-LIST] Unable to retrieve weekly pull-list. Pull list for week 0, 2025 may be stale.
29-Dec-2025 14:29:42 - WARNING :: mylar.pullist.2935 : CP Server Thread-9 : Problem repopulating the pullist for week 1, 2025
29-Dec-2025 14:29:42 - WARNING :: mylar.pullist.2937 : CP Server Thread-9 : Attempting to repoll against legacy pullist in order to have some kind of updated listing for the week.
29-Dec-2025 14:29:42 - INFO :: mylar.manualpull.3132 : CP Server Thread-9 : ALT_PULL: 2 PULLBYFILE: False week: None year: None
29-Dec-2025 14:29:42 - WARNING :: mylar.pullist.2942 : CP Server Thread-9 : Unable to populate the pull-list. Not continuing at this time (will try again in abit)
29-Dec-2025 14:30:00 - INFO :: mylar.get_imprint_volume_and_booktype.1423 : CP Server Thread-3 : comic_values: {'ComicYear': '2025', 'ComicPublisher': 'Marvel', 'PublisherImprint': None, 'ComicDescription': 'None', 'ComicVersion': 'None', 'Type': 'Print', 'incorrect_volume': None}
29-Dec-2025 14:30:00 - INFO :: mylar.get_imprint_volume_and_booktype.1423 : CP Server Thread-3 : comic_values: {'ComicYear': '2025', 'ComicPublisher': 'Marvel', 'PublisherImprint': None, 'ComicDescription': 'None', 'ComicVersion': 'None', 'Type': 'Print', 'incorrect_volume': None}
29-Dec-2025 14:30:00 - INFO :: mylar.get_imprint_volume_and_booktype.1423 : CP Server Thread-3 : comic_values: {'ComicYear': '2025', 'ComicPublisher': 'Marvel', 'PublisherImprint': None, 'ComicDescription': 'None', 'ComicVersion': 'None', 'Type': 'Print', 'incorrect_volume': None}
29-Dec-2025 14:30:00 - INFO :: mylar.loadSearchResults.1111 : CP Server Thread-9 : # of results: 3
29-Dec-2025 14:30:08 - INFO :: mylar.addbyid.1394 : CP Server Thread-6 : com_location: None
29-Dec-2025 14:30:08 - INFO :: mylar.addbyid.1437 : CP Server Thread-6 : query_id match to : 818128
29-Dec-2025 14:30:08 - INFO :: mylar.addbyid.1447 : CP Server Thread-6 : Attempting to add X-Men: Age of Revelation
29-Dec-2025 14:30:08 - INFO :: mylar.addbyid.1493 : CP Server Thread-6 : [SHIZZLE-WHIZZLE] Now queueing to add X-Men: Age of Revelation [165548]
29-Dec-2025 14:30:08 - INFO :: mylar.importer_thread.2024 : CP Server Thread-6 : [MASS-ADD] MASS_ADD thread not started. Started & submitting.
29-Dec-2025 14:30:11 - INFO :: mylar.addvialist.63 : mass-add : [MASS-ADD][1/1] Now adding X-Men: Age of Revelation [165548] 
29-Dec-2025 14:30:14 - INFO :: mylar.get_imprint_volume_and_booktype.1423 : mass-add : comic_values: {'ComicYear': '2025', 'ComicPublisher': 'Marvel', 'PublisherImprint': None, 'ComicDescription': 'None', 'ComicVersion': 'None', 'Type': 'Print', 'incorrect_volume': None}
29-Dec-2025 14:30:14 - INFO :: mylar.addComictoDB.227 : mass-add : Now adding/updating: X-Men: Age of Revelation
29-Dec-2025 14:30:14 - INFO :: mylar.addComictoDB.291 : mass-add : Sucessfully retrieved details for X-Men: Age of Revelation
29-Dec-2025 14:30:14 - INFO :: mylar.addComictoDB.302 : mass-add : Previous version detected as None - seeing if update required
29-Dec-2025 14:30:14 - INFO :: mylar.addComictoDB.402 : mass-add : Directory (/comics/X-Men Age of Revelation (2025)) already exists! Continuing...
29-Dec-2025 14:30:15 - INFO :: mylar.scale_image.76 : CP Server Thread-8 : converted to webp...
29-Dec-2025 14:30:16 - INFO :: mylar.getImage.4343 : mass-add : Attempting to retrieve the comic image for series
29-Dec-2025 14:30:16 - WARNING :: mylar.getImage.4358 : mass-add : Unable to download image from CV URL link: https://comicvine.gamespot.com/a/uploads/scale_large/11/110017/9799329-wwww.jpg [Status Code returned: 403]
29-Dec-2025 14:30:16 - WARNING :: mylar.getImage.4380 : mass-add : Truncated image retrieved - trying alternate image file.
29-Dec-2025 14:30:16 - INFO :: mylar.addComictoDB.433 : mass-add : Attempting to retrieve alternate comic image for the series.
29-Dec-2025 14:30:17 - INFO :: mylar.run.37 : ThreadPoolExecutor-0_0 : [RSS-FEEDS] RSS Feed Check Initalizing....
29-Dec-2025 14:30:17 - INFO :: mylar.run.102 : ThreadPoolExecutor-0_0 : [RSS-FEEDS] Initiating RSS Feed Check for NZB Providers.
29-Dec-2025 14:30:18 - INFO :: mylar.getImage.4343 : mass-add : Attempting to retrieve the comic image for series
29-Dec-2025 14:30:18 - WARNING :: mylar._parse_feed.487 : ThreadPoolExecutor-0_0 : [SceneNZBs] Status code returned: 404
29-Dec-2025 14:30:18 - WARNING :: mylar.getImage.4358 : mass-add : Unable to download image from CV URL link: https://comicvine.gamespot.com/a/uploads/scale_small/11/110017/9799329-wwww.jpg [Status Code returned: 403]
29-Dec-2025 14:30:18 - WARNING :: mylar.getImage.4380 : mass-add : Truncated image retrieved - trying alternate image file.
29-Dec-2025 14:30:18 - INFO :: mylar.scale_image.76 : CP Server Thread-5 : converted to webp...
29-Dec-2025 14:30:20 - INFO :: mylar.nzbs.608 : ThreadPoolExecutor-0_0 : [RSS] (SceneNZBs) 250 entries indexed.
29-Dec-2025 14:30:20 - INFO :: mylar.nzbs.612 : ThreadPoolExecutor-0_0 : [RSS] 250 entries have been indexed and are now going to be stored for caching.
29-Dec-2025 14:30:20 - INFO :: mylar.run.105 : ThreadPoolExecutor-0_0 : [RSS-FEEDS] Initiating RSS Feed Check for DDL Provider.
29-Dec-2025 14:30:21 - INFO :: mylar.addComictoDB.552 : mass-add : Successfully retrieved issue details for X-Men: Age of Revelation
29-Dec-2025 14:30:24 - INFO :: mylar.updateissuedata.1389 : mass-add : Now adding/updating issues for X-Men: Age of Revelation
29-Dec-2025 14:30:24 - INFO :: mylar.issue_collection.1114 : mass-add : nostatus: False
29-Dec-2025 14:30:24 - INFO :: mylar.issue_collection.1115 : mass-add : issuedata: [{'ComicID': '165548', 'SeriesStatus': 'Loading', 'IssueID': '1120505', 'ComicName': 'X-Men: Age of Revelation', 'IssueName': None, 'Issue_Number': '0', 'IssueDate': '2025-09-01', 'ReleaseDate': '2025-07-16', 'DigitalDate': '0000-00-00', 'Int_IssueNumber': 0, 'AltIssueNumber': None, 'ImageURL': 'https://comicvine.gamespot.com/a/uploads/scale_small/11/110017/9799328-wwww.jpg', 'ImageURL_ALT': 'https://comicvine.gamespot.com/a/uploads/scale_medium/11/110017/9799328-wwww.jpg'}]
29-Dec-2025 14:30:24 - WARNING :: mylar.update_metadata.127 : mass-add : Series does not have a description. Not populating, but you might need to do a Refresh Series to fix this
29-Dec-2025 14:30:24 - INFO :: mylar.issue_collection.1114 : mass-add : nostatus: False
29-Dec-2025 14:30:24 - INFO :: mylar.issue_collection.1115 : mass-add : issuedata: [{'ComicID': '165548', 'SeriesStatus': 'Loading', 'IssueID': '1120505', 'ComicName': 'X-Men: Age of Revelation', 'IssueName': None, 'Issue_Number': '0', 'IssueDate': '2025-09-01', 'ReleaseDate': '2025-07-16', 'DigitalDate': '0000-00-00', 'Int_IssueNumber': 0, 'AltIssueNumber': None, 'ImageURL': 'https://comicvine.gamespot.com/a/uploads/scale_small/11/110017/9799328-wwww.jpg', 'ImageURL_ALT': 'https://comicvine.gamespot.com/a/uploads/scale_medium/11/110017/9799328-wwww.jpg'}]
29-Dec-2025 14:30:24 - INFO :: mylar.addComictoDB.616 : mass-add : Updating complete for: X-Men: Age of Revelation
29-Dec-2025 14:30:24 - INFO :: mylar.forceRescan.1154 : mass-add : [FILE-RESCAN] Now checking files for X-Men: Age of Revelation (2025) in /comics/X-Men Age of Revelation (2025)
29-Dec-2025 14:30:24 - INFO :: mylar.traverse_directories.1677 : mass-add : there are 1 files.
29-Dec-2025 14:30:24 - INFO :: mylar.forceRescan.1820 : mass-add : [FILE-RESCAN] Total files located: 1
29-Dec-2025 14:30:24 - INFO :: mylar.forceRescan.1971 : mass-add : [FILE-RESCAN] I have physically found 1 issues, ignored 0 issues, snatched 0 issues, and accounted for 0 in an Archived state [ Total Issue Count: 1 / 1 ]
29-Dec-2025 14:30:24 - INFO :: mylar.addComictoDB.742 : mass-add : Sucessfully added X-Men: Age of Revelation (2025) to the watchlist
29-Dec-2025 14:30:24 - INFO :: mylar.scale_image.76 : CP Server Thread-3 : converted to webp...
29-Dec-2025 14:30:25 - INFO :: mylar.ddl.461 : ThreadPoolExecutor-0_0 : [DDL][RSS-RESULTS] [{'Title': 'Weird Adventures #1 – 3 (1951)', 'Size': 66060288, 'Link': '387174', 'Site': 'DDL(GetComics)', 'Pubdate': 'Sun, 28 Dec 2025 23:47:18'}, {'Title': 'Weird Adventures #10 (1951) (One Shot)', 'Size': 22020096, 'Link': '387171', 'Site': 'DDL(GetComics)', 'Pubdate': 'Sun, 28 Dec 2025 23:45:07'}, {'Title': 'Wedding Bells #1 – 19 (1954-1956)', 'Size': 667942912, 'Link': '387168', 'Site': 'DDL(GetComics)', 'Pubdate': 'Sun, 28 Dec 2025 23:42:44'}, {'Title': 'Scorpio Rose #1 – 2 (1983)', 'Size': 150994944, 'Link': '387165', 'Site': 'DDL(GetComics)', 'Pubdate': 'Sun, 28 Dec 2025 23:39:28'}, {'Title': 'Sci-Spy #1 – 6 (2002)', 'Size': 46137344, 'Link': '387162', 'Site': 'DDL(GetComics)', 'Pubdate': 'Sun, 28 Dec 2025 23:37:15'}, {'Title': 'Scene of the Crime #1 – 4 (1999)', 'Size': 32505856, 'Link': '387159', 'Site': 'DDL(GetComics)', 'Pubdate': 'Sun, 28 Dec 2025 23:35:04'}, {'Title': 'Road #1 – 3 (2010-2011)', 'Size': 45088768, 'Link': '387156', 'Site': 'DDL(GetComics)', 'Pubdate': 'Sun, 28 Dec 2025 23:31:50'}, {'Title': 'Re-Evolution #1 – 3 (2011)', 'Size': 34603008, 'Link': '387153', 'Site': 'DDL(GetComics)', 'Pubdate': 'Sun, 28 Dec 2025 23:29:30'}, {'Title': 'Remarkable Worlds of Professor Phineas B Fuddle #1 – 4 (2000)', 'Size': 131072000, 'Link': '387150', 'Site': 'DDL(GetComics)', 'Pubdate': 'Sun, 28 Dec 2025 23:26:48'}, {'Title': 'Web of Mystery #1 – 29 (1951-1955)', 'Size': 579862528, 'Link': '387147', 'Site': 'DDL(GetComics)', 'Pubdate': 'Sun, 28 Dec 2025 23:22:50'}, {'Title': 'Web of Horror #1 – 4 (1969-1970)', 'Size': 189792256, 'Link': '307655', 'Site': 'DDL(GetComics)', 'Pubdate': 'Sun, 28 Dec 2025 23:18:07'}, {'Title': 'Zorro – Remastered Edition (2025)', 'Size': 289406976, 'Link': '387135', 'Site': 'DDL(GetComics)', 'Pubdate': 'Sat, 27 Dec 2025 22:29:27'}]
29-Dec-2025 14:30:25 - INFO :: mylar.ddl.463 : ThreadPoolExecutor-0_0 : [RSS][DDL] 12 entries have been indexed and are now going to be stored for caching.
29-Dec-2025 14:30:25 - INFO :: mylar.run.107 : ThreadPoolExecutor-0_0 : [RSS-FEEDS] RSS Feed Check/Update Complete
29-Dec-2025 14:30:25 - INFO :: mylar.run.108 : ThreadPoolExecutor-0_0 : [RSS-FEEDS] Watchlist Check for new Releases
29-Dec-2025 14:30:25 - INFO :: mylar.searchforissue.1577 : ThreadPoolExecutor-0_0 : Initiating RSS Search Scan at the scheduled interval of 20 minutes
29-Dec-2025 14:30:25 - INFO :: mylar.searchforissue.1706 : ThreadPoolExecutor-0_0 : Issues that belong to part of a Story Arc to be searched for : 0
29-Dec-2025 14:30:25 - INFO :: mylar.nzbdbsearch.911 : ThreadPoolExecutor-0_0 : cur returned. db attached.
29-Dec-2025 14:30:25 - INFO :: mylar.nzbdbsearch.918 : ThreadPoolExecutor-0_0 : dropped previous rss dataset to ensure we have a clean slate.
29-Dec-2025 14:30:25 - INFO :: mylar.nzbdbsearch.932 : ThreadPoolExecutor-0_0 : executed insert...now attempting to select
29-Dec-2025 14:30:25 - INFO :: mylar.nzbdbsearch.1022 : ThreadPoolExecutor-0_0 : [RSS-QUERY] Searched through RSSDB looking for 11 Wanted items in 1059 RSS entries. Rough matching to 0 items.
29-Dec-2025 14:30:25 - INFO :: mylar.searchforissue.2257 : ThreadPoolExecutor-0_0 : Completed RSS Search scan
29-Dec-2025 14:30:25 - INFO :: mylar.run.112 : ThreadPoolExecutor-0_0 : [RSS-FEEDS] Watchlist Check complete.
29-Dec-2025 14:30:25 - INFO :: mylar.run.114 : ThreadPoolExecutor-0_0 : [RSS-FEEDS] Successfully ran a forced RSS Check.

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[aptalca]

We don't develop the app. Please report upstream to mylar3 devs.