This may not even be a Django problem, but I saw this on two of my dev
sites today, both running the same code base, our version of django is
from the trunk, and maybe a week or so old.  One site was running the
light weight server, the other site was running apache/mod_python.  Both
are connected to the same database.  Here is the error:

 

Traceback (most recent call last):

  File
"/usr/local/python2.5/lib/python2.5/site-packages/mod_python/importer.py
", line 1537, in HandlerDispatch\n    default=default_handler, arg=req,
silent=hlist.silent)

  File
"/usr/local/python2.5/lib/python2.5/site-packages/mod_python/importer.py
", line 1229, in _process_target\n    result = _execute_target(config,
req, object, arg)

  File
"/usr/local/python2.5/lib/python2.5/site-packages/mod_python/importer.py
", line 1128, in _execute_target\n    result = object(arg)

  File
"/usr/local/python2.5/lib/python2.5/site-packages/django/core/handlers/m
odpython.py", line 222, in handler\n    return ModPythonHandler()(req)

  File
"/usr/local/python2.5/lib/python2.5/site-packages/django/core/handlers/m
odpython.py", line 199, in __call__\n    response =
middleware_method(request, response)

  File
"/usr/local/lib/python2.5/site-packages/django/contrib/sessions/middlewa
re.py", line 33, in process_response

  File
"/usr/local/lib/python2.5/site-packages/django/contrib/sessions/backends
/db.py", line 52, in save

  File
"/usr/local/lib/python2.5/site-packages/django/contrib/sessions/backends
/base.py", line 152, in _get_session_key

  File
"/usr/local/lib/python2.5/site-packages/django/contrib/sessions/backends
/base.py", line 144, in _get_new_session_key

  File
"/usr/local/lib/python2.5/site-packages/django/contrib/sessions/backends
/db.py", line 25, in exists

  File
"/usr/local/lib/python2.5/site-packages/django/db/models/manager.py",
line 93, in get

  File
"/usr/local/lib/python2.5/site-packages/django/db/models/query.py", line
298, in get

  File
"/usr/local/lib/python2.5/site-packages/django/db/models/query.py", line
154, in __len__

  File
"/usr/local/lib/python2.5/site-packages/django/db/models/query.py", line
269, in iterator

  File
"/usr/local/lib/python2.5/site-packages/django/db/models/sql/query.py",
line 206, in results_iter

  File
"/usr/local/lib/python2.5/site-packages/django/db/models/sql/query.py",
line 1699, in execute_sql

  File
"/usr/local/lib/python2.5/site-packages/django/db/backends/__init__.py",
line 56, in cursor

  File
"/usr/local/lib/python2.5/site-packages/django/db/backends/mysql/base.py
", line 262, in _cursor

  File
"/usr/local/python2.5/lib/python2.5/site-packages/MySQL_python-1.2.2-py2
.5-linux-i686.egg/MySQLdb/__init__.py", line 74, in Connect

  File
"/usr/local/python2.5/lib/python2.5/site-packages/MySQL_python-1.2.2-py2
.5-linux-i686.egg/MySQLdb/connections.py", line 170, in __init__\n
super(Connection, self).__init__(*args, **kwargs2)

OperationalError: (1040, 'Too many connections')

 

Obviously it's django going through mysqldb, and connection problem is
in mysqldb, but I was wondering if anyone on this list can shed some
light on this.  I did a bit of googling and noticed other people using
django were having similar problems.  Does anyone know what causes this
and how I can fix it?  These sites are both internal dev sites,
therefore not anywhere close to high traffic.  



Thank you

Apaar

 


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