OperationalError: database is locked

[rahulsprajapati]

How to Reproduce

While doing a GET operation on /ticket/31634, Trac issued an internal error.

(please provide additional details here)

Request parameters:

{'id': u'31634'}

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.106 Safari/537.36

System Information

System information not available

Enabled Plugins

Plugin information not available

Python Traceback

Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/web/main.py", line 497, in _dispatch_request
    dispatcher.dispatch(req)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/web/main.py", line 214, in dispatch
    resp = chosen_handler.process_request(req)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/ticket/web_ui.py", line 179, in process_request
    return self._process_ticket_request(req)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/ticket/web_ui.py", line 527, in _process_ticket_request
    req.perm('ticket', id, version).require('TICKET_VIEW')
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/web/api.py", line 316, in __getattr__
    value = self.callbacks[name](self)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/web/main.py", line 261, in _get_perm
    if isinstance(req.session, FakeSession):
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/web/api.py", line 316, in __getattr__
    value = self.callbacks[name](self)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/web/main.py", line 268, in _get_session
    return Session(self.env, req)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/web/session.py", line 200, in __init__
    if req.authname == 'anonymous':
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/web/api.py", line 316, in __getattr__
    value = self.callbacks[name](self)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/web/main.py", line 135, in authenticate
    authname = authenticator.authenticate(req)
  File "/usr/local/lib/python2.7/dist-packages/WordPressCookies-0.1-py2.7.egg/wpcookies/auth.py", line 49, in authenticate
    user_pass = self.get_user_pass(username)
  File "/usr/local/lib/python2.7/dist-packages/WordPressCookies-0.1-py2.7.egg/wpcookies/auth.py", line 74, in get_user_pass
    return self._get_user_pass(username)
  File "/usr/local/lib/python2.7/dist-packages/WordPressCookies-0.1-py2.7.egg/wpcookies/auth.py", line 91, in _get_user_pass
    session = DetachedSession(self.env, username)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/web/session.py", line 51, in __init__
    self.get_session(sid, authenticated=True)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/web/session.py", line 84, in get_session
    """, (sid, int(authenticated))):
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/db/util.py", line 121, in execute
    cursor.execute(query, params)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/db/util.py", line 65, in execute
    return self.cursor.execute(sql_escape_percent(sql), args)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/db/sqlite_backend.py", line 78, in execute
    result = PyFormatCursor.execute(self, *args)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/db/sqlite_backend.py", line 56, in execute
    args or [])
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0.1-py2.7.egg/trac/db/sqlite_backend.py", line 48, in _rollback_on_error
    return function(self, *args, **kwargs)
OperationalError: database is locked

[Ryan J Ollos]

InstallationIssue. See MostFrequentDuplicates#DatabaseIsLocked.