Please install and use psycopg2. There are known issues with pg8000.
On Tuesday, 6 February 2018 08:17:51 UTC-6, Simona Chovancová wrote:
>
> solved, ran worker in different application than the task was sent from
>
> On Tuesday, February 6, 2018 at 2:34:24 PM UTC+1, Simona Chovancová wrote:
>>
>> Hello,
>>
>> I'm having trouble using the scheduler. I have managed to set it up to
>> queue tasks and successfully complete them. Although, that only works if I
>> do not use database. If I include db in function that is tasked, I get this:
>>
>> Traceback (most recent call last):
>> File "/srv/www/web2py/gluon/shell.py", line 273, in run
>> exec(python_code, _env)
>> File "<string>", line 1, in <module>
>> File "/srv/www/web2py/gluon/scheduler.py", line 735, in loop
>> self.wrapped_report_task(task, self.async(task))
>> File "/srv/www/web2py/gluon/scheduler.py", line 889, in
>> wrapped_report_task
>> db.rollback()
>> File "/srv/www/web2py/gluon/packages/dal/pydal/base.py", line 956, in
>> rollback
>> self._adapter.rollback()
>> File "/srv/www/web2py/gluon/packages/dal/pydal/adapters/base.py", line
>> 1342, in rollback
>> return self.connection.rollback()
>> File "/srv/www/web2py/gluon/contrib/pg8000/core.py", line 1429, in
>> rollback
>> self.execute(self._cursor, "rollback", None)
>> File "/srv/www/web2py/gluon/contrib/pg8000/core.py", line 1626, in
>> execute
>> self.handle_messages(cursor)
>> File "/srv/www/web2py/gluon/contrib/pg8000/core.py", line 1774, in
>> handle_messages
>> raise self.error
>> ProgrammingError: ('ERROR', '42P05', 'prepared statement
>> "pg8000_statement_13" already exists')
>>
>> Also, if I do just simple inserts like db.table.insert(something="abc"),
>> I also include db.commit(), I get this error:
>>
>> Database drivers available: sqlite3, imaplib, pymysql, pg8000
>> starting single-scheduler for "myapp"...
>> ERROR:web2py.scheduler.servername#3711: error storing result
>>
>>
>> Can someone please point me to the right direction?
>> Thanks
>>
>
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