id summary reporter owner description type status component version severity resolution keywords cc stage has_patch needs_docs needs_tests needs_better_patch easy ui_ux 20399 DatabaseError when saving model with ManyToManyField in admin s@… nobody "When attempting to save a model which has a ManyToManyField in the admin interface I consistently get ""DatabaseError: unable to open database file"" (Traceback below). The ManyToManyField hasn't been changed, it has one value selected. This seems to be due to an attempt to resubmit the ManyToManyField to it's table. The local variables at the bottom of the traceback are: e: OperationalError('unable to open database file',) self: params: (17, 2) query: u'INSERT INTO ""markets_trace_cities"" (""trace_id"", ""city_id"") SELECT ? AS ""trace_id"", ? AS ""city_id""' The query shouldn't be happening as the manytomanyfield hasn't been changed at all. As well as the actual error, the error message reported is wrong, or at least unhelpful as I'm not having problems opening the database file. Let me know if I've missed something. Django Version: 1.5.1 Python: 2.7.3 OS: Windows 7 with python etc. installed under cygwin. browser: Chrome, version 26.0.1410.64 m Full Traceback: Traceback (most recent call last): File ""/usr/lib/python2.7/site-packages/django/core/handlers/base.py"", line 115, in get_response response = callback(request, *callback_args, **callback_kwargs) File ""/usr/lib/python2.7/site-packages/django/contrib/admin/options.py"", line 372, in wrapper return self.admin_site.admin_view(view)(*args, **kwargs) File ""/usr/lib/python2.7/site-packages/django/utils/decorators.py"", line 91, in _wrapped_view response = view_func(request, *args, **kwargs) File ""/usr/lib/python2.7/site-packages/django/views/decorators/cache.py"", line 89, in _wrapped_view_func response = view_func(request, *args, **kwargs) File ""/usr/lib/python2.7/site-packages/django/contrib/admin/sites.py"", line 202, in inner return view(request, *args, **kwargs) File ""/usr/lib/python2.7/site-packages/django/utils/decorators.py"", line 25, in _wrapper return bound_func(*args, **kwargs) File ""/usr/lib/python2.7/site-packages/django/utils/decorators.py"", line 91, in _wrapped_view response = view_func(request, *args, **kwargs) File ""/usr/lib/python2.7/site-packages/django/utils/decorators.py"", line 21, in bound_func return func(self, *args2, **kwargs2) File ""/usr/lib/python2.7/site-packages/django/db/transaction.py"", line 223, in inner return func(*args, **kwargs) File ""/usr/lib/python2.7/site-packages/django/contrib/admin/options.py"", line 1106, in change_view self.save_related(request, form, formsets, True) File ""/usr/lib/python2.7/site-packages/django/contrib/admin/options.py"", line 762, in save_related form.save_m2m() File ""/usr/lib/python2.7/site-packages/django/forms/models.py"", line 84, in save_m2m f.save_form_data(instance, cleaned_data[f.name]) File ""/usr/lib/python2.7/site-packages/django/db/models/fields/related.py"", line 1336, in save_form_data setattr(instance, self.attname, data) File ""/usr/lib/python2.7/site-packages/django/db/models/fields/related.py"", line 912, in __set__ manager.add(*value) File ""/usr/lib/python2.7/site-packages/django/db/models/fields/related.py"", line 650, in add self._add_items(self.source_field_name, self.target_field_name, *objs) File ""/usr/lib/python2.7/site-packages/django/db/models/fields/related.py"", line 739, in _add_items for obj_id in new_ids File ""/usr/lib/python2.7/site-packages/django/db/models/query.py"", line 444, in bulk_create self._batched_insert(objs_without_pk, fields, batch_size) File ""/usr/lib/python2.7/site-packages/django/db/models/query.py"", line 902, in _batched_insert using=self.db) File ""/usr/lib/python2.7/site-packages/django/db/models/manager.py"", line 215, in _insert return insert_query(self.model, objs, fields, **kwargs) File ""/usr/lib/python2.7/site-packages/django/db/models/query.py"", line 1661, in insert_query return query.get_compiler(using=using).execute_sql(return_id) File ""/usr/lib/python2.7/site-packages/django/db/models/sql/compiler.py"", line 937, in execute_sql cursor.execute(sql, params) File ""/usr/lib/python2.7/site-packages/django/db/backends/util.py"", line 41, in execute return self.cursor.execute(sql, params) File ""/usr/lib/python2.7/site-packages/django/db/backends/sqlite3/base.py"", line 366, in execute six.reraise(utils.DatabaseError, utils.DatabaseError(*tuple(e.args)), sys.exc_info()[2]) File ""/usr/lib/python2.7/site-packages/django/db/backends/sqlite3/base.py"", line 362, in execute return Database.Cursor.execute(self, query, params) DatabaseError: unable to open database file ManyToManyField." Bug closed contrib.admin 1.5 Normal worksforme DatabaseError Unreviewed 0 0 0 0 0 0