not to point fingers around, but can you try installing psycopg2 ? it'll
override pg8000 that showed here and there some obscure bugs: pscopg2 is
certainly more solid. If the same happens with psycopg2, can we see the
actual function queued (or a function that replicates this behaviour) ?
BTW: send_heartbeat() shouldn't timeout that easily: it's called every 3
seconds so AT LEAST THAT connection should never be dropped.
On Sunday, November 22, 2015 at 5:00:31 AM UTC+1, kenny c wrote:
>
> I think there is timeout issue on the scheduler and I am not sure which
> one it is..
>
> Seems to me that the Scheduler stops if it takes longer than 5 minutes in
> regardless of the value of timeout saved in the task row.
>
> On Saturday, November 21, 2015 at 8:12:05 PM UTC-5, kenny c wrote:
>>
>> HI, I am not sure what causes this issue..
>>
>> I am running Web2py with Postgresql, I am getting this exception in
>> thread while running a scheduler. and I get InterfaceError("Connection is
>> closed") .
>>
>> I am wondering if Postgresql has timeout setting or scheduler timeout? (I
>> made sure that timeout is long enough to handle all the jobs)
>>
>> Any help would be appreciated. Thank you and please see the log below.
>>
>> ERROR:web2py.scheduler.example#6580:Error retrieving status
>> Exception in thread Thread-1:
>> Traceback (most recent call last):
>> File "/usr/lib/python2.7/threading.py", line 810, in __bootstrap_inner
>> self.run()
>> File "/home/www-data/web2py/gluon/scheduler.py", line 442, in run
>> self.send_heartbeat(counter)
>> File "/home/www-data/web2py/gluon/scheduler.py", line 1041, in
>> send_heartbeat
>> db.rollback()
>> File "/home/www-data/web2py/gluon/packages/dal/pydal/base.py", line
>> 937, in rollback
>> self._adapter.rollback()
>> File "/home/www-data/web2py/gluon/packages/dal/pydal/adapters/base.py",
>> line 1332, in rollback
>> return self.connection.rollback()
>> File "/home/www-data/web2py/gluon/contrib/pg8000/core.py", line 1429,
>> in rollback
>> self.execute(self._cursor, "rollback", None)
>> File "/home/www-data/web2py/gluon/contrib/pg8000/core.py", line 1622,
>> in execute
>> raise InterfaceError("connection is closed")
>> InterfaceError: connection is closed
>>
>> Traceback (most recent call last):
>> File "/home/www-data/web2py/gluon/shell.py", line 271, in run
>> exec(python_code, _env)
>> File "<string>", line 1, in <module>
>> File "/home/www-data/web2py/gluon/scheduler.py", line 730, in loop
>> self.wrapped_report_task(task, self.async(task))
>> File "/home/www-data/web2py/gluon/scheduler.py", line 879, in
>> wrapped_report_task
>> db.rollback()
>> File "/home/www-data/web2py/gluon/packages/dal/pydal/base.py", line
>> 937, in rollback
>> self._adapter.rollback()
>> File "/home/www-data/web2py/gluon/packages/dal/pydal/adapters/base.py",
>> line 1332, in rollback
>> return self.connection.rollback()
>> File "/home/www-data/web2py/gluon/contrib/pg8000/core.py", line 1429,
>> in rollback
>> self.execute(self._cursor, "rollback", None)
>> File "/home/www-data/web2py/gluon/contrib/pg8000/core.py", line 1622,
>> in execute
>> raise InterfaceError("connection is closed")
>> InterfaceError: connection is closed
>>
>
--
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