[GitHub] [superset] cdmikechen commented on issue #10530: celery SQLAlchemy errors in celery tasks that use sqlalchemy pools

[GitBox <gi...@apache.org>]

cdmikechen commented on issue #10530:
URL: https://github.com/apache/superset/issues/10530#issuecomment-764388393


   @bkyryliuk  If I use 
   ```
   FEATURE_FLAGS = {
       "THUMBNAILS": True
   }
   ```
   superset will report error:
   ```
   [2021-01-21 13:30:47,554: INFO/ForkPoolWorker-1] Processing url for thumbnail: 85e35616c1758c065a4fc7445f084f9a
   Init selenium driver
   [2021-01-21 13:30:47,555: INFO/ForkPoolWorker-1] Init selenium driver
   Failed at generating thumbnail Instance <User at 0x112e39250> is not bound to a Session; attribute refresh operation cannot proceed (Background on this error at: http://sqlalche.me/e/13/bhk3)
   [2021-01-21 13:30:55,431: ERROR/ForkPoolWorker-1] Failed at generating thumbnail Instance <User at 0x112e39250> is not bound to a Session; attribute refresh operation cannot proceed (Background on this error at: http://sqlalche.me/e/13/bhk3)
   ```
   Is this problem related to this PR https://github.com/apache/superset/pull/10819 ?
   
   


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