I think I found out that the connection is the same for both threads, I think that causes the problem. I will try some more but I am not sure if I am on the right path at all :-)
On 11/30/06, Wolfram Kriesing <[EMAIL PROTECTED]> wrote: > From the frontend I trigger via AJAX a view that again starts a thread > that does some import work, that might take quite a while. This > enables the user to keep going and have the import run without > interrupting him/her. Every once in a while an asynch call checks on > the state of the import. > > And here lies the problem: while the thread is running and busy like a > bee adding data in the DB the asynch call to check on the state also > tries to run a query and that causes the following exception: > > Traceback (most recent call last): > File > "/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/threading.py", > line 442, in __bootstrap > self.run() > File "/Users/cain/programming/pms/trunk/pm/../pm/core/views/pic.py", > line 204, in run > self._save(kwargs, sizes, thumbnail_url) > File "/Users/cain/programming/pms/trunk/pm/../pm/core/views/pic.py", > line 211, in _save > picimport.save() > File "/Users/cain/programming/django/trunk/django/db/models/base.py", > line 184, in save > db_values + [pk_val]) > File "/Users/cain/programming/django/trunk/django/db/backends/util.py", > line 12, in execute > return self.cursor.execute(sql, params) > File > "/Users/cain/programming/django/trunk/django/db/backends/mysql/base.py", > line 42, in execute > return self.cursor.execute(sql, params) > File > "/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/MySQLdb/cursors.py", > line 137, in execute > self.errorhandler(self, exc, value) > File > "/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/MySQLdb/connections.py", > line 33, in defaulterrorhandler > raise errorclass, errorvalue > ReferenceError: weakly-referenced object no longer exists > > I had found the ticket http://code.djangoproject.com/ticket/1442 which > looks like it did solve my problem. So where does my problem come > from? > Is the problem caused by using multiple cursors (as I would guess from > the traceback)? Any ideas? > > Thanks in advance > > -- > cu > > > Wolfram > -- cu Wolfram --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
