#25362: psycopg2.InterfaceError is not handled
-------------------------------------+-------------------------------------
Reporter: ambasta | Owner: nobody
Type: Uncategorized | Status: new
Component: Database layer | Version: 1.6
(models, ORM) |
Severity: Normal | Resolution:
Keywords: | Triage Stage:
| Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Changes (by timgraham):
* component: Uncategorized => Database layer (models, ORM)
Old description:
> Similar to ticket #21553 psycopg2.InterfaceError is not handled correctly
> and leads to django re-using the same connection despite it being closed.
>
> StackTrace Below:
> Traceback (most recent call last):
> File "/home/ubuntu/.virtualenvs/express/local/lib/python2.7/site-
> packages/django/core/handlers/wsgi.py", line 194, in __call__
> signals.request_started.send(sender=self.__class__)
> File "/home/ubuntu/.virtualenvs/express/local/lib/python2.7/site-
> packages/django/dispatch/dispatcher.py", line 185, in send
> response = receiver(signal=self, sender=sender, **named)
> File "/home/ubuntu/.virtualenvs/express/local/lib/python2.7/site-
> packages/django/db/__init__.py", line 94, in close_old_connections
> conn.close_if_unusable_or_obsolete()
> File "/home/ubuntu/.virtualenvs/express/local/lib/python2.7/site-
> packages/django/db/backends/__init__.py", line 462, in
> close_if_unusable_or_obsolete
> if self.is_usable():
> File "/home/ubuntu/.virtualenvs/express/local/lib/python2.7/site-
> packages/django/db/backends/postgresql_psycopg2/base.py", line 192, in
> is_usable
> self.connection.cursor().execute("SELECT 1")
> psycopg2.InterfaceError: connection already closed
New description:
Similar to ticket #21553 psycopg2.InterfaceError is not handled correctly
and leads to django re-using the same connection despite it being closed.
{{{
StackTrace Below:
Traceback (most recent call last):
File "/home/ubuntu/.virtualenvs/express/local/lib/python2.7/site-
packages/django/core/handlers/wsgi.py", line 194, in __call__
signals.request_started.send(sender=self.__class__)
File "/home/ubuntu/.virtualenvs/express/local/lib/python2.7/site-
packages/django/dispatch/dispatcher.py", line 185, in send
response = receiver(signal=self, sender=sender, **named)
File "/home/ubuntu/.virtualenvs/express/local/lib/python2.7/site-
packages/django/db/__init__.py", line 94, in close_old_connections
conn.close_if_unusable_or_obsolete()
File "/home/ubuntu/.virtualenvs/express/local/lib/python2.7/site-
packages/django/db/backends/__init__.py", line 462, in
close_if_unusable_or_obsolete
if self.is_usable():
File "/home/ubuntu/.virtualenvs/express/local/lib/python2.7/site-
packages/django/db/backends/postgresql_psycopg2/base.py", line 192, in
is_usable
self.connection.cursor().execute("SELECT 1")
psycopg2.InterfaceError: connection already closed
}}}
--
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Ticket URL: <https://code.djangoproject.com/ticket/25362#comment:2>
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