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 16484,Duplicate entry sessions error,hash.3g@…,nobody,"Hi, Sometimes we receive ""duplicate entry"" error from django sessions. See Traceback. {{{ Traceback (most recent call last): File ""/usr/local/lib/python2.6/dist-packages/django/core/handlers/base.py"", line 178, in get_response response = middleware_method(request, response) File ""/usr/local/lib/python2.6/dist-packages/django/contrib/sessions/middleware.py"", line 36, in process_response request.session.save() File ""/usr/local/lib/python2.6/dist-packages/django/contrib/sessions/backends/db.py"", line 63, in save obj.save(force_insert=must_create, using=using) File ""/usr/local/lib/python2.6/dist-packages/django/db/models/base.py"", line 460, in save self.save_base(using=using, force_insert=force_insert, force_update=force_update) File ""/usr/local/lib/python2.6/dist-packages/django/db/models/base.py"", line 553, in save_base result = manager._insert(values, return_id=update_pk, using=using) File ""/usr/local/lib/python2.6/dist-packages/django/db/models/manager.py"", line 195, in _insert return insert_query(self.model, values, **kwargs) File ""/usr/local/lib/python2.6/dist-packages/django/db/models/query.py"", line 1436, in insert_query return query.get_compiler(using=using).execute_sql(return_id) File ""/usr/local/lib/python2.6/dist-packages/django/db/models/sql/compiler.py"", line 791, in execute_sql cursor = super(SQLInsertCompiler, self).execute_sql(None) File ""/usr/local/lib/python2.6/dist-packages/django/db/models/sql/compiler.py"", line 735, in execute_sql cursor.execute(sql, params) File ""/usr/local/lib/python2.6/dist-packages/django/db/backends/mysql/base.py"", line 86, in execute return self.cursor.execute(query, args) File ""/usr/lib/pymodules/python2.6/MySQLdb/cursors.py"", line 166, in execute self.errorhandler(self, exc, value) File ""/usr/lib/pymodules/python2.6/MySQLdb/connections.py"", line 35, in defaulterrorhandler raise errorclass, errorvalue IntegrityError: (1062, “Duplicate entry ‘e110c3788ccb21c76865285446102338’ for key 'PRIMARY'”) }}} Periodically we do cleaning of out-of-date sessions, but it does not help from current error.",Bug,closed,contrib.sessions,1.8,Normal,duplicate,,,Accepted,0,0,0,0,0,0