Plurk的遺言（誤）

在Web 2.0普及的現在，無論網站是要掛掉還是例行維修，一般都能看到一個靚靚的畫面說句抱歉，看到代碼的情況非常之罕見，不過看來仍是有例外，例如說我今晚上plurk就見到以下的訊息…… (留意當中包括什麼? ;) )

Traceback (most recent call last):
  File "/home/plurk/plurk/git_trunk/ext/parts/web/wsgiserver/__init__.py", line 1183, in communicate
    req.respond()
  File "/home/plurk/plurk/git_trunk/ext/parts/web/wsgiserver/__init__.py", line 553, in respond
    self._respond()
  File "/home/plurk/plurk/git_trunk/ext/parts/web/wsgiserver/__init__.py", line 565, in _respond
    response = self.wsgi_app(self.environ, self.start_response)
  File "/home/plurk/plurk/git_trunk/ext/werkzeug/utils.py", line 859, in __call__
    return self.app(environ, start_response)
  File "/home/plurk/plurk/git_trunk/ext/parts/web/web.py", line 295, in dispatch_request
    rv = handle_error()
  File "/home/plurk/plurk/git_trunk/ext/parts/web/web.py", line 358, in handle_error
    result = handler(e)
  File "plurk/web/error_handler.py", line 65, in error_handler
    trace_back=t_b)
  File "plurk/templates.py", line 143, in renderPlurkTemplate
    html = PlurkTemplates().addDynamicData(html, ses_user, page_user)
  File "plurk/templates.py", line 149, in addDynamicData
    'session_user': users.exposeSessionUser(ses_user),
  File "plurk/users.py", line 321, in exposeSessionUser
    session_user['notifications_count'] = Notifications().getCount(user.id)
  File "/home/plurk/plurk/git_trunk/ext/parts/cache/__init__.py", line 125, in proxy
    value = f(*args, **kwargs)
  File "plurk/models/notifications.py", line 112, in getCount
    where='status in (0, -2)')
  File "/home/plurk/plurk/git_trunk/ext/parts/db/wrapper.py", line 236, in selectCount
    res = self.select(table, cols="COUNT(%s)" % column, as_one=True, **kw)
  File "/home/plurk/plurk/git_trunk/ext/parts/db/wrapper.py", line 120, in select
    with self.cursor(sql) as cursor:
  File "/home/plurk/plurk/git_trunk/ext/parts/db/wrapper.py", line 54, in cursor
    con = self.connections.getConnection(host)
  File "/home/plurk/plurk/git_trunk/ext/parts/db/wrapper.py", line 578, in getConnection
Exception: Could not create a connection on servers [{'charset': 'utf8',
  'compress': False,
  'exception': 'Traceback (most recent call last):\n  File "/home/plurk/plurk/git_trunk/ext/parts/db/wrapper.py", line 554, in getConnection\n    if con:\n  File "/usr/local/lib/python2.6/dist-packages/MySQL_python-1.2.3-py2.6-linux-x86_64.egg/MySQLdb/__init__.py", line 81, in Connect\n    return Connection(*args, **kwargs)\n  File "/usr/local/lib/python2.6/dist-packages/MySQL_python-1.2.3-py2.6-linux-x86_64.egg/MySQLdb/connections.py", line 187, in __init__\n    super(Connection, self).__init__(*args, **kwargs2)\nOperationalError: (2002, "Can\'t connect to local MySQL server through socket \'/var/run/mysqld/mysqld.sock\' (2)")\n',
  'host': 'localhost',
  'passwd': u'plurk',
  'port': 3306,
  'refresh': True,
  'success': False,
  'use_unicode': True,
  'user': u'plurk'},
 {'charset': 'utf8',
  'compress': False,
  'exception': 'Traceback (most recent call last):\n  File "/home/plurk/plurk/git_trunk/ext/parts/db/wrapper.py", line 554, in getConnection\n    if con:\n  File "/usr/local/lib/python2.6/dist-packages/MySQL_python-1.2.3-py2.6-linux-x86_64.egg/MySQLdb/__init__.py", line 81, in Connect\n    return Connection(*args, **kwargs)\n  File "/usr/local/lib/python2.6/dist-packages/MySQL_python-1.2.3-py2.6-linux-x86_64.egg/MySQLdb/connections.py", line 187, in __init__\n    super(Connection, self).__init__(*args, **kwargs2)\nOperationalError: (2002, "Can\'t connect to local MySQL server through socket \'/var/run/mysqld/mysqld.sock\' (2)")\n',
  'host': 'localhost',
  'passwd': u'plurk',
  'port': 3306,
  'refresh': True,
  'success': False,
  'use_unicode': True,
  'user': u'plurk'},
 {'charset': 'utf8',
  'compress': False,
  'exception': 'Traceback (most recent call last):\n  File "/home/plurk/plurk/git_trunk/ext/parts/db/wrapper.py", line 554, in getConnection\n    if con:\n  File "/usr/local/lib/python2.6/dist-packages/MySQL_python-1.2.3-py2.6-linux-x86_64.egg/MySQLdb/__init__.py", line 81, in Connect\n    return Connection(*args, **kwargs)\n  File "/usr/local/lib/python2.6/dist-packages/MySQL_python-1.2.3-py2.6-linux-x86_64.egg/MySQLdb/connections.py", line 187, in __init__\n    super(Connection, self).__init__(*args, **kwargs2)\nOperationalError: (2002, "Can\'t connect to local MySQL server through socket \'/var/run/mysqld/mysqld.sock\' (2)")\n',
  'host': 'localhost',
  'passwd': u'plurk',
  'port': 3306,
  'refresh': True,
  'success': False,
  'use_unicode': True,
  'user': u'plurk'}] : {'charset': 'utf8', 'use_unicode': True, 'server_name': 'plurk_group005', 'db': '', '_rhost': u'192.168.0.18', 'compress': False, 'resolve_host': , 'shard_info': {'name': u'mothra', 'id': 2L, 'host': u'192.168.0.18', 'host_extra': u'192.168.0.16', 'balancing': u'host', 'user': u'plurk', 'password': u'plurk', 'port': 3306}, 'port': 3306, 'host': 'localhost', 'user': '*', 'refresh_host': , 'password': '*', 'id': 'shard_db_:2'}.
Error was Traceback (most recent call last):
  File "/home/plurk/plurk/git_trunk/ext/parts/db/wrapper.py", line 554, in getConnection
    if con:
  File "/usr/local/lib/python2.6/dist-packages/MySQL_python-1.2.3-py2.6-linux-x86_64.egg/MySQLdb/__init__.py", line 81, in Connect
    return Connection(*args, **kwargs)
  File "/usr/local/lib/python2.6/dist-packages/MySQL_python-1.2.3-py2.6-linux-x86_64.egg/MySQLdb/connections.py", line 187, in __init__
    super(Connection, self).__init__(*args, **kwargs2)
OperationalError: (2002, "Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)") 

看來Plurk是用Python開發，用git來管理代碼……