thammaneni opened a new issue #9501: scheduling tasks are delivering partially
URL: https://github.com/apache/incubator-superset/issues/9501
 
 
   A clear and concise description of what the bug is:
   -------------------------------------------------------
   I have created 20 email schedule jobs with every hr crontab frequency and 
receiving 13 emails out of 20. The 13 are random from 20 and the error from 
celery worker process saying utf-8 Encoded error as below. We are using redis 
as db storage for celery backend . Please provide you suggestions on this.
   
   
   ERROR info:
   ------------
   [2020-04-10 05:30:02,785: ERROR/ForkPoolWorker-5] Task 
email_reports.send[9e03400e-06b7-4a79-9e2f-40674ed1f663] raised unexpected: 
UnicodeDecodeError('utf-8', 
b'PK\x03\x04\x14\x00\x00\x00\x08\x00\x00\x00?\x00a]I:O\x01\x00\x00\x8f\x04\x00\x00\x13\x00\x00\x00[Content_Types].xml\xad\x94\xcbn\xc20\x10E\xf7\xfd\x8a\xc8\xdb*1tQU\x15\x81E\x1f\xcb\x16\xa9\xf4\x03\\{B',
 22, 23, 'invalid start byte')
   Traceback (most recent call last):
     File 
"/usr/local/python3.7/lib/python3.7/site-packages/celery/app/trace.py", line 
382, in trace_task
       R = retval = fun(*args, **kwargs)
     File 
"/usr/local/python3.7/lib/python3.7/site-packages/celery/app/trace.py", line 
641, in __protected_call__
       return self.run(*args, **kwargs)
     File "/home/superset/Superset-supersetv3.18/superset/tasks/schedules.py", 
line 769, in schedule_email_report
       deliver_slice(schedule)
     File "/home/superset/Superset-supersetv3.18/superset/tasks/schedules.py", 
line 738, in deliver_slice
       email = _get_slice_data_xls(schedule)
     File "/home/superset/Superset-supersetv3.18/superset/tasks/schedules.py", 
line 439, in _get_slice_data_xls
       link=url,
     File 
"/usr/local/python3.7/lib/python3.7/site-packages/flask/templating.py", line 
135, in render_template
       context, ctx.app)
     File 
"/usr/local/python3.7/lib/python3.7/site-packages/flask/templating.py", line 
117, in _render
       rv = template.render(context)
     File 
"/usr/local/python3.7/lib/python3.7/site-packages/jinja2/asyncsupport.py", line 
76, in render
       return original_render(self, *args, **kwargs)
     File 
"/usr/local/python3.7/lib/python3.7/site-packages/jinja2/environment.py", line 
1008, in render
       return self.environment.handle_exception(exc_info, True)
     File 
"/usr/local/python3.7/lib/python3.7/site-packages/jinja2/environment.py", line 
780, in handle_exception
       reraise(exc_type, exc_value, tb)
     File "/usr/local/python3.7/lib/python3.7/site-packages/jinja2/_compat.py", 
line 37, in reraise
       raise value.with_traceback(tb)
     File 
"/home/superset/Superset-supersetv3.18/superset/templates/superset/reports/slice_data.html",
 line 34, in top-level template code
       <th bgcolor='#f0f0f0'>{{ column.decode('utf-8') | replace('_', ' ') | 
title }}</th>
   UnicodeDecodeError: 'utf-8' codec can't decode byte 0x8f in position 22: 
invalid start byte
   
   
   ### Expected results
   
   
   
   #### Screenshots
   
   If applicable, add screenshots to help explain your problem.
   
   #### How to reproduce the bug
   
   1. Go to '...'
   2. Click on '....'
   3. Scroll down to '....'
   4. See error
   
   ### Environment
   
   (please complete the following information):
   
   - superset version: `superset version`
   0.33 version
   - python version: `python --version`
   3.7
   - node.js version: `node -v`
   - npm version: `npm -v`
   
   ### Checklist
   
   Make sure these boxes are checked before submitting your issue - thank you!
   
   - [ ] I have checked the superset logs for python stacktraces and included 
it here as text if there are any.
   - [ ] I have reproduced the issue with at least the latest released version 
of superset.
   - [ ] I have checked the issue tracker for the same issue and I haven't 
found one similar.
   
   ### Additional context
   
   Add any other context about the problem here.
   

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