I've recently upgraded to web2py Version
2.24.1-stable+timestamp.2023.03.23.05.07.17
It's running on python 3.9.14, Rocky Linux RHEL9, using PostgreSQL 15.2 for
database.
Since I did the upgrade, the scheduler fails from time to time with this
traceback:
ERROR:web2py.scheduler.main#1531711: error storing result
Traceback (most recent call last):
File "/var/www/medios/gluon/scheduler.py", line 1077, in
wrapped_report_task
self.report_task(task, task_report)
File "/var/www/medios/gluon/scheduler.py", line 1101, in report_task
db(sr.id == task.run_id).update(
File "/var/www/medios/gluon/packages/dal/pydal/objects.py", line 2789, in
update
ret = db._adapter.update(table, self.query, row.op_values())
File "/var/www/medios/gluon/packages/dal/pydal/adapters/base.py", line
586, in update
raise e
File "/var/www/medios/gluon/packages/dal/pydal/adapters/base.py", line
581, in update
self.execute(sql)
File "/var/www/medios/gluon/packages/dal/pydal/adapters/__init__.py",
line 69, in wrap
return f(*args, **kwargs)
File "/var/www/medios/gluon/packages/dal/pydal/adapters/base.py", line
468, in execute
rv = self.cursor.execute(command, *args[1:], **kwargs)
psycopg2.OperationalError: server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
Traceback (most recent call last):
File "/var/www/medios/gluon/scheduler.py", line 1077, in
wrapped_report_task
self.report_task(task, task_report)
File "/var/www/medios/gluon/scheduler.py", line 1101, in report_task
db(sr.id == task.run_id).update(
File "/var/www/medios/gluon/packages/dal/pydal/objects.py", line 2789, in
update
ret = db._adapter.update(table, self.query, row.op_values())
File "/var/www/medios/gluon/packages/dal/pydal/adapters/base.py", line
586, in update
raise e
File "/var/www/medios/gluon/packages/dal/pydal/adapters/base.py", line
581, in update
self.execute(sql)
File "/var/www/medios/gluon/packages/dal/pydal/adapters/__init__.py",
line 69, in wrap
return f(*args, **kwargs)
File "/var/www/medios/gluon/packages/dal/pydal/adapters/base.py", line
468, in execute
rv = self.cursor.execute(command, *args[1:], **kwargs)
psycopg2.OperationalError: server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/var/www/medios/gluon/shell.py", line 321, in run
exec(python_code, _env)
File "<string>", line 1, in <module>
File "/var/www/medios/gluon/scheduler.py", line 949, in loop
self.wrapped_report_task(task, self.execute(task))
File "/var/www/medios/gluon/scheduler.py", line 1082, in
wrapped_report_task
db.rollback()
File "/var/www/medios/gluon/packages/dal/pydal/base.py", line 825, in
rollback
self._adapter.rollback()
File "/var/www/medios/gluon/packages/dal/pydal/adapters/__init__.py",
line 57, in wrap
return f(*args, **kwargs)
File "/var/www/medios/gluon/packages/dal/pydal/adapters/base.py", line
1012, in rollback
return self.connection.rollback()
psycopg2.InterfaceError: connection already closed
I've checked PostgreSQL logs but there is no error or apparent problem at
the time scheduler fails. The database instance has several databases and
no error log is reported, everything runs smoothly. It's just the scheduler
that reports that error (and after it, it doesn't run anymore). Where else
should I look?
Any help will be much appreciated.
Warm regards,
Lisandro
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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