Try mysql from the command line, make sure the service is running.
Sometimes the install does not set it up to start on a reboot.

Make sure you did not specify the port (socket) either when you
installed or in django -- usually it's 3306 on a pc, don't know about
mac.

-----Original Message-----
From: django-users@googlegroups.com
[mailto:django-users@googlegroups.com] On Behalf Of Rosemarie
Sent: Sunday, April 10, 2011 7:54 PM
To: Django users
Subject: [Suspected Spam] mysql problems after upgrading to django 1.3

hi :)
I'm fairly new to django. I'm using it on mac os 10.5.8. I installed
django 1.2.4 and created a small project that communicated with a
mysql database.  Everything was good.

Then I upgraded to 1.3, followed uninstall instructions, installed the
new version, everything seemed good.  Except now I can't run my old
app because I get a mysql error: (it's lengthy, sorry!)

python manage.py runserver
Validating models...

Unhandled exception in thread started by <bound method
Command.inner_run of
<django.contrib.staticfiles.management.commands.runserver.Command
object at 0x51cd50>>
Traceback (most recent call last):
  File "/Library/Python/2.5/site-packages/django/core/management/
commands/runserver.py", line 88, in inner_run
    self.validate(display_num_errors=True)
  File "/Library/Python/2.5/site-packages/django/core/management/
base.py", line 249, in validate
    num_errors = get_validation_errors(s, app)
  File "/Library/Python/2.5/site-packages/django/core/management/
validation.py", line 103, in get_validation_errors
    connection.validation.validate_field(e, opts, f)
  File "/Library/Python/2.5/site-packages/django/db/backends/mysql/
validation.py", line 14, in validate_field
    db_version = self.connection.get_server_version()
  File "/Library/Python/2.5/site-packages/django/db/backends/mysql/
base.py", line 338, in get_server_version
    self.cursor()
  File "/Library/Python/2.5/site-packages/django/db/backends/
__init__.py", line 250, in cursor
    cursor = self.make_debug_cursor(self._cursor())
  File "/Library/Python/2.5/site-packages/django/db/backends/mysql/
base.py", line 322, in _cursor
    self.connection = Database.connect(**kwargs)
  File "/Users/Rose/Downloads/Django-1.3/newSite/__init__.py", line
81, in Connect

  File "/Library/Python/2.5/site-packages/MySQL_python-1.2.3-py2.5-
macosx-10.5-i386.egg/MySQLdb/connections.py", line 187, in __init__
_mysql_exceptions.OperationalError: (2002, "Can't connect to local
MySQL server through socket '/tmp/mysql.sock' (2)")

---------------------

Things I have tried:
-uninstalling django again and re-installing
-uninstalling the python's mysqldb and reinstalling

Any ideas on what I can do to fix this?

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