#11015: django-1.0.2 does not catch the exception that database backend first
close
the db connection.
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Reporter: qingran | Owner: nobody
Status: closed | Milestone:
Component: Database layer (models, ORM) | Version: 1.0
Resolution: worksforme | Keywords:
Stage: Unreviewed | Has_patch: 0
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
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Comment (by gkulewski):
That was really helpful, thanks.
Good it works for you. But it does not work for others. Look above. Use
google to get many more such results. Something definitively _is_ broken,
it's just hard to track it down. I will post if I have more info.
As for now I know only that it is most probably related to:
- the admin,
- postgresql,
- not OS specific (happens on linux and bsd at least),
- cascading removes of complex object hierarchies in the admin (but maybe
not only),
- most probably these hierarchies have generic relations inside (may be
the trigger or may not be).
For example it happens when trying to remove an user (as in django.auth
User) in my application because the user is linked to gazilion of other
objects that should be also deleted (since django wants to cascade
deletes). It also happens sometimes when trying to remove other objects
that cascade and have generic relations in the hierarchy. But again - the
exception happens way after the real error showing exactly nothing useful
and there are so many objects involved that I can only guess what could
the trigger be.
Any help to track it down will be appreciated. If anybody else is really
interested in it, that is.
--
Ticket URL: <http://code.djangoproject.com/ticket/11015#comment:6>
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