Could not connect to server: connection refused

[anonymous]

When trying to reach ​http://trac.lulu.com, I got the following error screen:

Oops… Trac detected an internal error:

If you think this really should work and you can reproduce it, you should consider reporting this problem to the Trac team.

Go to ​http://trac.edgewall.org/ and create a new ticket where you describe the problem, how to reproduce it. Don't forget to include the Python traceback found below.

TracGuide — The Trac User and Administration Guide Python Traceback

Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 387, in dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 183, in dispatch
    req.perm = PermissionCache(self.env, req.authname)
  File "/usr/lib/python2.4/site-packages/trac/perm.py", line 263, in __init__
    self.perms = PermissionSystem(env).get_user_permissions(username)
  File "/usr/lib/python2.4/site-packages/trac/perm.py", line 227, in get_user_permissions
    for perm in self.store.get_user_permissions(username):
  File "/usr/lib/python2.4/site-packages/trac/perm.py", line 109, in get_user_permissions
    db = self.env.get_db_cnx()
  File "/usr/lib/python2.4/site-packages/trac/env.py", line 182, in get_db_cnx
    return DatabaseManager(self).get_connection()
  File "/usr/lib/python2.4/site-packages/trac/db/api.py", line 75, in get_connection
    return self._cnx_pool.get_cnx(self.timeout or None)
  File "/usr/lib/python2.4/site-packages/trac/db/pool.py", line 101, in get_cnx
    cnx = self._connector.get_connection(**self._kwargs)
  File "/usr/lib/python2.4/site-packages/trac/db/postgres_backend.py", line 40, in get_connection
    return PostgreSQLConnection(path, user, password, host, port, params)
  File "/usr/lib/python2.4/site-packages/trac/db/postgres_backend.py", line 110, in __init__
    cnx = psycopg.connect(' '.join(dsn))
OperationalError: could not connect to server: Connection refused
	Is the server running on host "localhost" and accepting
	TCP/IP connections on port 5432?

[Emmanuel Blot]

Sorry for the misleading error message:

You should report this error directly to the web site administrator (​http://trac.lulu.com)