TimeoutError: Unable to get database connection within 0 seconds. (OperationalError: could not connect to server: Connection refused Is the server running on host "10.2.1.118" and accepting TCP/IP connections on port 5432?)

[anonymous]

How to Reproduce

While doing a GET operation on /, Trac issued an internal error.

(please provide additional details here)

Request parameters:

{}

User agent: #USER_AGENT#

System Information

System information not available

Enabled Plugins

Plugin information not available

Python Traceback

Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/web/main.py", line 497, in _dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/web/main.py", line 170, in dispatch
    if handler.match_request(req):
  File "/usr/lib/python2.6/site-packages/TracTags-0.6-py2.6.egg/tractags/web_ui.py", line 66, in match_request
    return 'TAGS_VIEW' in req.perm and req.path_info.startswith('/tags')
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/perm.py", line 556, in has_permission
    return self._has_permission(action, resource)
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/perm.py", line 570, in _has_permission
    check_permission(action, perm.username, resource, perm)
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/perm.py", line 462, in check_permission
    perm)
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/perm.py", line 296, in check_permission
    get_user_permissions(username)
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/perm.py", line 398, in get_user_permissions
    for perm in self.store.get_user_permissions(username) or []:
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/perm.py", line 186, in get_user_permissions
    perms = self._all_permissions
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/cache.py", line 71, in __get__
    return CacheManager(instance.env).get(id, self.retriever, instance)
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/cache.py", line 206, in get
    meta = self.env.db_query("SELECT id, generation FROM cache")
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/db/api.py", line 121, in execute
    with self as db:
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/db/api.py", line 174, in __enter__
    db = self.dbmgr.get_connection(readonly=True)
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/db/api.py", line 262, in get_connection
    db = self._cnx_pool.get_cnx(self.timeout or None)
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/db/pool.py", line 213, in get_cnx
    return _backend.get_cnx(self._connector, self._kwargs, timeout)
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/db/pool.py", line 134, in get_cnx
    raise TimeoutError(errmsg)
TimeoutError: Unable to get database connection within 0 seconds. (OperationalError: could not connect to server: Connection refused
	Is the server running on host "10.2.1.118" and accepting
	TCP/IP connections on port 5432?
)

[Jun Omae]

InstallationIssue. Make sure your database is connected via [trac] database settings.