nimisha1921 commented on issue #12867:
URL: https://github.com/apache/superset/issues/12867#issuecomment-858701058
@singh-ab @iercan
I am facing a similar issue, dashboard thumbnail is not generated. Although
my chart thumbnail working fine.
Error:
`Failed at resizing thumbnail name 'Image' is not defined`
Config:
```
DEFAULT_FEATURE_FLAGS = {
'ENABLE_TEMPLATE_PROCESSING': True,
'DASHBOARD_NATIVE_FILTERS': True,
'LISTVIEWS_DEFAULT_CARD_VIEW': True,
'ENABLE_REACT_CRUD_VIEWS': True,
'ALERT_REPORTS': True,
'THUMBNAILS': True
}
REDIS_HOST = "127.0.0.1"
REDIS_PORT = "6379"
THUMBNAIL_SELENIUM_USER = "admin"
THUMBNAIL_CACHE_CONFIG: CacheConfig = {
'CACHE_TYPE': 'redis',
'CACHE_DEFAULT_TIMEOUT': 60 * 60 * 24 * 30,
'CACHE_KEY_PREFIX': 'superset_thumbnail',
'CACHE_REDIS_URL': 'redis://%s:%s/0' % (REDIS_HOST, REDIS_PORT),
"CACHE_NO_NULL_WARNING": True,
}
```
In celery worker, I am getting an error log like this...
```
Caching dashboard: http://127.0.0.1:8088/superset/dashboard/3/
Caching dashboard: http://127.0.0.1:8088/superset/dashboard/2/
[2021-06-10 20:08:31,291: INFO/ForkPoolWorker-2] Caching dashboard:
http://127.0.0.1:8088/superset/dashboard/3/
[2021-06-10 20:08:31,291: INFO/ForkPoolWorker-3] Caching dashboard:
http://127.0.0.1:8088/superset/dashboard/2/
Processing url for thumbnail: d94a2a95ca2786f26e238d8ec80e3b06
Processing url for thumbnail: 8e3f5e7e07954984ffde03b1c0b7b299
[2021-06-10 20:08:31,316: INFO/ForkPoolWorker-2] Processing url for
thumbnail: d94a2a95ca2786f26e238d8ec80e3b06
Init selenium driver
[2021-06-10 20:08:31,316: INFO/ForkPoolWorker-3] Processing url for
thumbnail: 8e3f5e7e07954984ffde03b1c0b7b299
Init selenium driver
[2021-06-10 20:08:31,317: INFO/ForkPoolWorker-2] Init selenium driver
[2021-06-10 20:08:31,317: INFO/ForkPoolWorker-3] Init selenium driver
Taking a PNG screenshot or url http://127.0.0.1:8088/superset/dashboard/3/
[2021-06-10 20:08:39,030: INFO/ForkPoolWorker-2] Taking a PNG screenshot or
url http://127.0.0.1:8088/superset/dashboard/3/
Taking a PNG screenshot or url http://127.0.0.1:8088/superset/dashboard/2/
[2021-06-10 20:08:39,109: INFO/ForkPoolWorker-3] Taking a PNG screenshot or
url http://127.0.0.1:8088/superset/dashboard/2/
Failed at resizing thumbnail name 'Image' is not defined
[2021-06-10 20:08:39,294: ERROR/ForkPoolWorker-2] Failed at resizing
thumbnail name 'Image' is not defined
Failed at resizing thumbnail name 'Image' is not defined
[2021-06-10 20:08:39,383: ERROR/ForkPoolWorker-3] Failed at resizing
thumbnail name 'Image' is not defined
```
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