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Many thumbnails and previews are not showing up after changing thumbnail library location #6969

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opened 2026-02-05 12:41:17 +03:00 by OVERLORD · 0 comments
OVERLORD commented 2026-02-05 12:41:17 +03:00
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Originally created by @nielstron on GitHub (Aug 25, 2025).

I have searched the existing issues, both open and closed, to make sure this is not a duplicate report.

  • Yes

The bug

In my timeline, many images fails to show thumbnails. This concerns mostly old images, i.e., ones that were added in bulk or have been in the library before I changed the thumbnail directory (I highly suspect there is a connection here). All of my images are in an external library. Below is an example of how these folders look. They fail to load thumbnails and they fail to load preview when clicking.

Image

These files are not corrupted. When I download them through the download button and look at them, they are fine. One such image is pasted below.

Image

Running a job to repair remaining thumbnails only runs it on around 500 images, which the server logs report to be broken - this well might be, but the library has around 20k images and as it seems half of the thumbnails are broken which is significantly more than 500.

The error in the server logs is a 500, file not found, here is an extract

[Nest] 18  - 08/25/2025, 2:30:41 PM   ERROR [Api:LoggingRepository~9qvcd3t3] Unable to send file: Error
Error: ENOENT: no such file or directory, access '/usr/src/app/upload/thumbs/93f6ab6a-565c-45d3-9d88-8507085f4aff/d7/4b/d74b407f-c714-4cf7-9b0b-2ef7d87d0ffa-thumbnail.webp'
    at async access (node:internal/fs/promises:606:10)
    at async sendFile (/usr/src/app/server/dist/utils/file.js:49:9)
    at async AssetMediaController.viewAsset (/usr/src/app/server/dist/controllers/asset-media.controller.js:60:13)
[Nest] 18  - 08/25/2025, 2:30:41 PM   ERROR [Api:GlobalExceptionFilter~9qvcd3t3] Unknown error: Error: ENOENT: no such file or directory, access '/usr/src/app/upload/thumbs/93f6ab6a-565c-45d3-9d88-8507085f4aff/d7/4b/d74b407f-c714-4cf7-9b0b-2ef7d87d0ffa-thumbnail.webp'
Error: ENOENT: no such file or directory, access '/usr/src/app/upload/thumbs/93f6ab6a-565c-45d3-9d88-8507085f4aff/d7/4b/d74b407f-c714-4cf7-9b0b-2ef7d87d0ffa-thumbnail.webp'
    at async access (node:internal/fs/promises:606:10)
    at async sendFile (/usr/src/app/server/dist/utils/file.js:49:9)
    at async AssetMediaController.viewAsset (/usr/src/app/server/dist/controllers/asset-media.controller.js:60:13)
[Nest] 18  - 08/25/2025, 2:30:41 PM   ERROR [Api:LoggingRepository~nzqu59fi] Unable to send file: Error
Error: ENOENT: no such file or directory, access '/usr/src/app/upload/thumbs/93f6ab6a-565c-45d3-9d88-8507085f4aff/39/39/3939caed-5a74-4a11-b035-fec427fbc7fd-thumbnail.webp'
    at async access (node:internal/fs/promises:606:10)
    at async sendFile (/usr/src/app/server/dist/utils/file.js:49:9)
    at async AssetMediaController.viewAsset (/usr/src/app/server/dist/controllers/asset-media.controller.js:60:13)
[Nest] 18  - 08/25/2025, 2:30:41 PM   ERROR [Api:GlobalExceptionFilter~nzqu59fi] Unknown error: Error: ENOENT: no such file or directory, access '/usr/src/app/upload/thumbs/93f6ab6a-565c-45d3-9d88-8507085f4aff/39/39/3939caed-5a74-4a11-b035-fec427fbc7fd-thumbnail.webp'
Error: ENOENT: no such file or directory, access '/usr/src/app/upload/thumbs/93f6ab6a-565c-45d3-9d88-8507085f4aff/39/39/3939caed-5a74-4a11-b035-fec427fbc7fd-thumbnail.webp'
    at async access (node:internal/fs/promises:606:10)
    at async sendFile (/usr/src/app/server/dist/utils/file.js:49:9)
    at async AssetMediaController.viewAsset (/usr/src/app/server/dist/controllers/asset-media.controller.js:60:13)
[Nest] 18  - 08/25/2025, 2:30:41 PM   ERROR [Api:LoggingRepository~7g6kmgcq] Unable to send file: Error
Error: ENOENT: no such file or directory, access '/usr/src/app/upload/thumbs/93f6ab6a-565c-45d3-9d88-8507085f4aff/e6/3f/e63fa0d7-f7a0-48ee-9191-d1363ce8fa4b-thumbnail.webp'
    at async access (node:internal/fs/promises:606:10)
    at async sendFile (/usr/src/app/server/dist/utils/file.js:49:9)
    at async AssetMediaController.viewAsset (/usr/src/app/server/dist/controllers/asset-media.controller.js:60:13)

The OS that Immich Server is running on

Distributor ID: Ubuntu Description: Ubuntu 24.04.3 LTS Release: 24.04 Codename: noble

Version of Immich Server

v1.139.3

Version of Immich Mobile App

irrelevant

Platform with the issue

  • Server
  • Web
  • Mobile

Device make and model

No response

Your docker-compose.yml content

name: immich

services:
  immich-server:
    container_name: immich_server
    image: ghcr.io/immich-app/immich-server:${IMMICH_VERSION:-release}
    # extends:
    #   file: hwaccel.transcoding.yml
    #   service: cpu # set to one of [nvenc, quicksync, rkmpp, vaapi, vaapi-wsl] for accelerated transcoding
    volumes:
      # Do not edit the next line. If you want to change the media storage location on your system, edit the value of UPLOAD_LOCATION in the .env file
      - ${UPLOAD_LOCATION}:/usr/src/app/upload
      - /etc/localtime:/etc/localtime:ro
      - /mnt/storage_box:/mnt/storage_box
      - ${ENCODED_VIDEO_LOCATION}:/usr/src/app/upload/encoded-video
      - ${THUMB_LOCATION}:/usr/src/app/upload/thumbs
    env_file:
      - .env
    ports:
      - 2283:2283
    depends_on:
      - redis
      - database
    restart: always
    healthcheck:
      disable: false

  immich-machine-learning:
    container_name: immich_machine_learning
    # For hardware acceleration, add one of -[armnn, cuda, openvino] to the image tag.
    # Example tag: ${IMMICH_VERSION:-release}-cuda
    image: ghcr.io/immich-app/immich-machine-learning:${IMMICH_VERSION:-release}
    # extends: # uncomment this section for hardware acceleration - see https://immich.app/docs/features/ml-hardware-acceleration
    #   file: hwaccel.ml.yml
    #   service: cpu # set to one of [armnn, cuda, openvino, openvino-wsl] for accelerated inference - use the `-wsl` version for WSL2 where applicable
    volumes:
      - model-cache:/cache
    env_file:
      - .env
    restart: always
    healthcheck:
      disable: false

  redis:
    container_name: immich_redis
    image: docker.io/redis:6.2-alpine@sha256:e3b17ba9479deec4b7d1eeec1548a253acc5374d68d3b27937fcfe4df8d18c7e
    healthcheck:
      test: redis-cli ping || exit 1
    restart: always

  database:
    container_name: immich_postgres
    image: docker.io/tensorchord/pgvecto-rs:pg14-v0.2.0@sha256:90724186f0a3517cf6914295b5ab410db9ce23190a2d9d0b9dd6463e3fa298f0
    environment:
      POSTGRES_PASSWORD: ${DB_PASSWORD}
      POSTGRES_USER: ${DB_USERNAME}
      POSTGRES_DB: ${DB_DATABASE_NAME}
      POSTGRES_INITDB_ARGS: '--data-checksums'
    volumes:
      # Do not edit the next line. If you want to change the database storage location on your system, edit the value of DB_DATA_LOCATION in the .env file
      - ${DB_DATA_LOCATION}:/var/lib/postgresql/data
    healthcheck:
      test: pg_isready --dbname='${DB_DATABASE_NAME}' --username='${DB_USERNAME}' || exit 1; Chksum="$$(psql --dbname='${DB_DATABASE_NAME}' --username='${DB_USERNAME}' --tuples-only --no-align --command='SELECT COALESCE(SUM(checksum_failures), 0) FROM pg_stat_database')"; echo "checksum failure count is $$Chksum"; [ "$$Chksum" = '0' ] || exit 1
      interval: 5m
      start_interval: 30s
      start_period: 5m
    command: ["postgres", "-c", "shared_preload_libraries=vectors.so", "-c", 'search_path="$$user", public, vectors', "-c", "logging_collector=on", "-c", "max_wal_size=2GB", "-c", "shared_buffers=512MB", "-c", "wal_compression=on"]
    restart: always

volumes:
  model-cache:

Your .env content

# You can find documentation for all the supported env variables at https://immich.app/docs/install/environment-variables

# The location where your database files are stored
DB_DATA_LOCATION=./postgres
# The location where your uploaded files are stored
UPLOAD_LOCATION=/mnt/storage_box/library
# The location where re-encoded videos are stored
ENCODED_VIDEO_LOCATION=/mnt/storage_box/encoded-video
THUMB_LOCATION=/mnt/storage_box/library/thumbs
PROFILE_LOCATION=/root/immich-app/library/profile

# To set a timezone, uncomment the next line and change Etc/UTC to a TZ identifier from this list: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones#List
TZ=Europe/Berlin

# The Immich version to use. You can pin this to a specific version like "v1.71.0"
IMMICH_VERSION="v1.139.3"

# Connection secret for postgres. You should change it to a random password
# Please use only the characters `A-Za-z0-9`, without special characters or spaces
DB_PASSWORD=****

# The values below this line do not need to be changed
###################################################################################
DB_USERNAME=postgres
DB_DATABASE_NAME=immich

# increase timeout for machine learning
MACHINE_LEARNING_WORKER_TIMEOUT=600
MACHINE_LEARNING_WORKERS=1

Reproduction steps

  1. Create a immich library
  2. Run all setup etc
  3. change the thumbnail directory post-hoc
  4. restart server and re-run the thumbnail creation jobs

Relevant log output

Additional information

No response

Originally created by @nielstron on GitHub (Aug 25, 2025). ### I have searched the existing issues, both open and closed, to make sure this is not a duplicate report. - [x] Yes ### The bug In my timeline, many images fails to show thumbnails. This concerns mostly old images, i.e., ones that were added in bulk or have been in the library _before I changed the thumbnail directory_ (I highly suspect there is a connection here). All of my images are in an external library. Below is an example of how these folders look. They fail to load thumbnails and they fail to load preview when clicking. <img width="2191" height="388" alt="Image" src="https://github.com/user-attachments/assets/1f620cfa-cc1a-4041-bbba-67cc82cc7f56" /> These files are not corrupted. When I download them through the download button and look at them, they are fine. One such image is pasted below. ![Image](https://github.com/user-attachments/assets/d3d619ac-355e-4be7-9c3d-17743da58b4e) Running a job to repair remaining thumbnails only runs it on around 500 images, which the server logs report to be broken - this well might be, but the library has around 20k images and as it seems half of the thumbnails are broken which is significantly more than 500. The error in the server logs is a 500, file not found, here is an extract ``` [Nest] 18 - 08/25/2025, 2:30:41 PM ERROR [Api:LoggingRepository~9qvcd3t3] Unable to send file: Error Error: ENOENT: no such file or directory, access '/usr/src/app/upload/thumbs/93f6ab6a-565c-45d3-9d88-8507085f4aff/d7/4b/d74b407f-c714-4cf7-9b0b-2ef7d87d0ffa-thumbnail.webp' at async access (node:internal/fs/promises:606:10) at async sendFile (/usr/src/app/server/dist/utils/file.js:49:9) at async AssetMediaController.viewAsset (/usr/src/app/server/dist/controllers/asset-media.controller.js:60:13) [Nest] 18 - 08/25/2025, 2:30:41 PM ERROR [Api:GlobalExceptionFilter~9qvcd3t3] Unknown error: Error: ENOENT: no such file or directory, access '/usr/src/app/upload/thumbs/93f6ab6a-565c-45d3-9d88-8507085f4aff/d7/4b/d74b407f-c714-4cf7-9b0b-2ef7d87d0ffa-thumbnail.webp' Error: ENOENT: no such file or directory, access '/usr/src/app/upload/thumbs/93f6ab6a-565c-45d3-9d88-8507085f4aff/d7/4b/d74b407f-c714-4cf7-9b0b-2ef7d87d0ffa-thumbnail.webp' at async access (node:internal/fs/promises:606:10) at async sendFile (/usr/src/app/server/dist/utils/file.js:49:9) at async AssetMediaController.viewAsset (/usr/src/app/server/dist/controllers/asset-media.controller.js:60:13) [Nest] 18 - 08/25/2025, 2:30:41 PM ERROR [Api:LoggingRepository~nzqu59fi] Unable to send file: Error Error: ENOENT: no such file or directory, access '/usr/src/app/upload/thumbs/93f6ab6a-565c-45d3-9d88-8507085f4aff/39/39/3939caed-5a74-4a11-b035-fec427fbc7fd-thumbnail.webp' at async access (node:internal/fs/promises:606:10) at async sendFile (/usr/src/app/server/dist/utils/file.js:49:9) at async AssetMediaController.viewAsset (/usr/src/app/server/dist/controllers/asset-media.controller.js:60:13) [Nest] 18 - 08/25/2025, 2:30:41 PM ERROR [Api:GlobalExceptionFilter~nzqu59fi] Unknown error: Error: ENOENT: no such file or directory, access '/usr/src/app/upload/thumbs/93f6ab6a-565c-45d3-9d88-8507085f4aff/39/39/3939caed-5a74-4a11-b035-fec427fbc7fd-thumbnail.webp' Error: ENOENT: no such file or directory, access '/usr/src/app/upload/thumbs/93f6ab6a-565c-45d3-9d88-8507085f4aff/39/39/3939caed-5a74-4a11-b035-fec427fbc7fd-thumbnail.webp' at async access (node:internal/fs/promises:606:10) at async sendFile (/usr/src/app/server/dist/utils/file.js:49:9) at async AssetMediaController.viewAsset (/usr/src/app/server/dist/controllers/asset-media.controller.js:60:13) [Nest] 18 - 08/25/2025, 2:30:41 PM ERROR [Api:LoggingRepository~7g6kmgcq] Unable to send file: Error Error: ENOENT: no such file or directory, access '/usr/src/app/upload/thumbs/93f6ab6a-565c-45d3-9d88-8507085f4aff/e6/3f/e63fa0d7-f7a0-48ee-9191-d1363ce8fa4b-thumbnail.webp' at async access (node:internal/fs/promises:606:10) at async sendFile (/usr/src/app/server/dist/utils/file.js:49:9) at async AssetMediaController.viewAsset (/usr/src/app/server/dist/controllers/asset-media.controller.js:60:13) ``` ### The OS that Immich Server is running on Distributor ID: Ubuntu Description: Ubuntu 24.04.3 LTS Release: 24.04 Codename: noble ### Version of Immich Server v1.139.3 ### Version of Immich Mobile App irrelevant ### Platform with the issue - [x] Server - [ ] Web - [ ] Mobile ### Device make and model _No response_ ### Your docker-compose.yml content ```YAML name: immich services: immich-server: container_name: immich_server image: ghcr.io/immich-app/immich-server:${IMMICH_VERSION:-release} # extends: # file: hwaccel.transcoding.yml # service: cpu # set to one of [nvenc, quicksync, rkmpp, vaapi, vaapi-wsl] for accelerated transcoding volumes: # Do not edit the next line. If you want to change the media storage location on your system, edit the value of UPLOAD_LOCATION in the .env file - ${UPLOAD_LOCATION}:/usr/src/app/upload - /etc/localtime:/etc/localtime:ro - /mnt/storage_box:/mnt/storage_box - ${ENCODED_VIDEO_LOCATION}:/usr/src/app/upload/encoded-video - ${THUMB_LOCATION}:/usr/src/app/upload/thumbs env_file: - .env ports: - 2283:2283 depends_on: - redis - database restart: always healthcheck: disable: false immich-machine-learning: container_name: immich_machine_learning # For hardware acceleration, add one of -[armnn, cuda, openvino] to the image tag. # Example tag: ${IMMICH_VERSION:-release}-cuda image: ghcr.io/immich-app/immich-machine-learning:${IMMICH_VERSION:-release} # extends: # uncomment this section for hardware acceleration - see https://immich.app/docs/features/ml-hardware-acceleration # file: hwaccel.ml.yml # service: cpu # set to one of [armnn, cuda, openvino, openvino-wsl] for accelerated inference - use the `-wsl` version for WSL2 where applicable volumes: - model-cache:/cache env_file: - .env restart: always healthcheck: disable: false redis: container_name: immich_redis image: docker.io/redis:6.2-alpine@sha256:e3b17ba9479deec4b7d1eeec1548a253acc5374d68d3b27937fcfe4df8d18c7e healthcheck: test: redis-cli ping || exit 1 restart: always database: container_name: immich_postgres image: docker.io/tensorchord/pgvecto-rs:pg14-v0.2.0@sha256:90724186f0a3517cf6914295b5ab410db9ce23190a2d9d0b9dd6463e3fa298f0 environment: POSTGRES_PASSWORD: ${DB_PASSWORD} POSTGRES_USER: ${DB_USERNAME} POSTGRES_DB: ${DB_DATABASE_NAME} POSTGRES_INITDB_ARGS: '--data-checksums' volumes: # Do not edit the next line. If you want to change the database storage location on your system, edit the value of DB_DATA_LOCATION in the .env file - ${DB_DATA_LOCATION}:/var/lib/postgresql/data healthcheck: test: pg_isready --dbname='${DB_DATABASE_NAME}' --username='${DB_USERNAME}' || exit 1; Chksum="$$(psql --dbname='${DB_DATABASE_NAME}' --username='${DB_USERNAME}' --tuples-only --no-align --command='SELECT COALESCE(SUM(checksum_failures), 0) FROM pg_stat_database')"; echo "checksum failure count is $$Chksum"; [ "$$Chksum" = '0' ] || exit 1 interval: 5m start_interval: 30s start_period: 5m command: ["postgres", "-c", "shared_preload_libraries=vectors.so", "-c", 'search_path="$$user", public, vectors', "-c", "logging_collector=on", "-c", "max_wal_size=2GB", "-c", "shared_buffers=512MB", "-c", "wal_compression=on"] restart: always volumes: model-cache: ``` ### Your .env content ```Shell # You can find documentation for all the supported env variables at https://immich.app/docs/install/environment-variables # The location where your database files are stored DB_DATA_LOCATION=./postgres # The location where your uploaded files are stored UPLOAD_LOCATION=/mnt/storage_box/library # The location where re-encoded videos are stored ENCODED_VIDEO_LOCATION=/mnt/storage_box/encoded-video THUMB_LOCATION=/mnt/storage_box/library/thumbs PROFILE_LOCATION=/root/immich-app/library/profile # To set a timezone, uncomment the next line and change Etc/UTC to a TZ identifier from this list: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones#List TZ=Europe/Berlin # The Immich version to use. You can pin this to a specific version like "v1.71.0" IMMICH_VERSION="v1.139.3" # Connection secret for postgres. You should change it to a random password # Please use only the characters `A-Za-z0-9`, without special characters or spaces DB_PASSWORD=**** # The values below this line do not need to be changed ################################################################################### DB_USERNAME=postgres DB_DATABASE_NAME=immich # increase timeout for machine learning MACHINE_LEARNING_WORKER_TIMEOUT=600 MACHINE_LEARNING_WORKERS=1 ``` ### Reproduction steps 1. Create a immich library 2. Run all setup etc 3. change the thumbnail directory post-hoc 4. restart server and re-run the thumbnail creation jobs ### Relevant log output ```shell ``` ### Additional information _No response_
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Reference: immich-app/immich#6969
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