MatthewCurlerTAC commented on issue #41862:
URL: https://github.com/apache/superset/issues/41862#issuecomment-4907394749
- I have tested and sending as a csv fails with `SESSION_COOKIE_SECURE`
being `True` and `False`. Same goes for Talisman config.
- All other content types send successfully: the worker is able to
communicate with app, successfully authenticate, and load the chart; this is
something specific to the csv export.
- The superset_app logs throw the same error regardless of the cookie_secure
settings:
```
WARNING:superset.views.error_handling:Exception
Traceback (most recent call last):
File "/app/.venv/lib/python3.10/site-packages/flask/app.py", line 1484, in
full_dispatch_request
rv = self.dispatch_request()
File "/app/.venv/lib/python3.10/site-packages/flask/app.py", line 1469, in
dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
File
"/app/.venv/lib/python3.10/site-packages/flask_appbuilder/security/decorators.py",
line 128, in wraps
return f(self, *args, **kwargs)
File "/app/superset/views/base_api.py", line 127, in wraps
duration, response = time_function(f, self, *args, **kwargs)
File "/app/superset/utils/core.py", line 1600, in time_function
response = func(*args, **kwargs)
File "/app/superset/utils/log.py", line 299, in wrapper
value = f(*args, add_extra_log_payload=log, **kwargs)
File "/app/superset/charts/data/api.py", line 249, in get_data
return self._get_data_response(
File "/app/superset/utils/log.py", line 301, in wrapper
value = f(*args, **kwargs)
File "/app/superset/charts/data/api.py", line 582, in _get_data_response
return self._send_chart_response(
File "/app/superset/charts/data/api.py", line 464, in _send_chart_response
result = apply_client_processing(result, form_data, datasource)
File "/app/superset/utils/log.py", line 301, in wrapper
value = f(*args, **kwargs)
File "/app/superset/charts/client_processing.py", line 354, in
apply_client_processing
StringIO(data),
TypeError: initial_value must be str or None, not bytes
ERROR:superset.views.error_handling:initial_value must be str or None, not
bytes
Traceback (most recent call last):
File "/app/.venv/lib/python3.10/site-packages/flask/app.py", line 1484, in
full_dispatch_request
rv = self.dispatch_request()
File "/app/.venv/lib/python3.10/site-packages/flask/app.py", line 1469, in
dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
File
"/app/.venv/lib/python3.10/site-packages/flask_appbuilder/security/decorators.py",
line 128, in wraps
return f(self, *args, **kwargs)
File "/app/superset/views/base_api.py", line 127, in wraps
duration, response = time_function(f, self, *args, **kwargs)
File "/app/superset/utils/core.py", line 1600, in time_function
response = func(*args, **kwargs)
File "/app/superset/utils/log.py", line 299, in wrapper
value = f(*args, add_extra_log_payload=log, **kwargs)
File "/app/superset/charts/data/api.py", line 249, in get_data
return self._get_data_response(
File "/app/superset/utils/log.py", line 301, in wrapper
value = f(*args, **kwargs)
File "/app/superset/charts/data/api.py", line 582, in _get_data_response
return self._send_chart_response(
File "/app/superset/charts/data/api.py", line 464, in _send_chart_response
result = apply_client_processing(result, form_data, datasource)
File "/app/superset/utils/log.py", line 301, in wrapper
value = f(*args, **kwargs)
File "/app/superset/charts/client_processing.py", line 354, in
apply_client_processing
StringIO(data),
TypeError: initial_value must be str or None, not bytes
172.18.0.6 - - [07/Jul/2026:18:37:46 +0000] "GET
/api/v1/chart/252/data/?format=csv&type=post_processed&force=true HTTP/1.1" 500
243 "-" "Python-urllib/3.10"
```
The logs for a successfully executed alert with `text` content type (all
other settings are the same):
**Worker**
```
[2026-07-07 18:43:51,618: INFO/MainProcess] Task
reports.execute[9256829f-4dbb-4ce3-904c-8faa7e150614] received
[2026-07-07 18:43:51,621: INFO/ForkPoolWorker-1] Executing alert/report,
task id: 9256829f-4dbb-4ce3-904c-8faa7e150614, scheduled_dttm:
2026-07-07T18:43:51.573383+00:00
[2026-07-07 18:43:51,621: INFO/ForkPoolWorker-1] session is validated: id 5,
executionid: 9256829f-4dbb-4ce3-904c-8faa7e150614
[2026-07-07 18:43:51,891: INFO/ForkPoolWorker-1] Query for
9256829f-4dbb-4ce3-904c-8faa7e150614 took 223.76 ms
[2026-07-07 18:43:52,734: INFO/ForkPoolWorker-1] DataFrame generation from
http://superset_app:8088/api/v1/chart/252/data/?format=json&type=post_processed&force=true
as user [email protected] took 0.82s - execution_id:
9256829f-4dbb-4ce3-904c-8faa7e150614
[2026-07-07 18:43:55,386: INFO/ForkPoolWorker-1] Report sent to email,
task_id: 9256829f-4dbb-4ce3-904c-8faa7e150614, notification content is
{'notification_type': 'Alert', 'notification_source':
<ReportSourceFormat.CHART: 'chart'>, 'notification_format': 'TEXT', 'chart_id':
252, 'dashboard_id': None, 'owners': [Owner Name], 'slack_channels': [],
'execution_id': '9256829f-4dbb-4ce3-904c-8faa7e150614'}
[2026-07-07 18:43:55,397: INFO/ForkPoolWorker-1] Report execution as user
[email protected] completed in 3.77s - execution_id:
9256829f-4dbb-4ce3-904c-8faa7e150614
[2026-07-07 18:43:55,400: INFO/ForkPoolWorker-1] Task
reports.execute[9256829f-4dbb-4ce3-904c-8faa7e150614] succeeded in
3.779876146931201s: None
```
**App**
```
1.2.3.4 - - [07/Jul/2026:18:43:47 +0000] "GET
/api/v1/report/?q=(filters:!((col:type,opr:eq,value:Alert)),order_column:name,order_direction:desc,page:0,page_size:25)
HTTP/1.1" 200 792
"https://superset.example.com/alert/list/?pageIndex=0&sortColumn=name&sortOrder=desc";
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like
Gecko) Chrome/150.0.0.0 Safari/537.36 Edg/150.0.0.0"
INFO:superset.commands.report.execute_now:Manually executing report schedule
<Report_Name> (id: 5), execution_id: 9256829f-4dbb-4ce3-904c-8faa7e150614
DEBUG:superset.stats_logger:[stats_logger] (incr)
ReportScheduleRestApi.execute.success
DEBUG:superset.stats_logger:[stats_logger] (timing)
ReportScheduleRestApi.execute.time | 55.32274302095175
1.2.3.4 - - [07/Jul/2026:18:43:51 +0000] "POST /api/v1/report/5/execute
HTTP/1.1" 200 115
"https://superset.example.com/alert/list/?pageIndex=0&sortColumn=name&sortOrder=desc";
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like
Gecko) Chrome/150.0.0.0 Safari/537.36 Edg/150.0.0.0"
DEBUG:superset.models.core:Database._get_sqla_engine(). Masked URL:
starrocks://<db_user>:[email protected]:9030/default_catalog.dmh
DEBUG:superset.common.query_object:QueryObject CACHE KEY generated:
953e778aa323478521eccd8c50b36bafdc0c8060f350bd407f9ebd5ef193fb83 from dict with
keys: ['changed_on', 'columns', 'datasource', 'extra_cache_keys', 'extras',
'filter', 'granularity', 'group_others_when_limit_reached', 'inner_from_dttm',
'inner_to_dttm', 'is_rowcount', 'is_timeseries', 'metrics', 'order_desc',
'orderby', 'post_processing', 'result_type', 'rls', 'row_limit', 'row_offset',
'series_columns', 'series_limit', 'series_limit_metric',
'time_compare_full_range', 'time_shift']
```
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