OperationalError: database is locked

[anonymous]

How to Reproduce

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

(please provide additional details here)

Request parameters:

{}

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:42.0) Gecko/20100101 Firefox/42.0

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-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-py2.7.egg/trac/web/main.py", line 179, in dispatch
    chosen_handler)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/web/main.py", line 325, in _pre_process_request
    chosen_handler = filter_.pre_process_request(req, chosen_handler)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/versioncontrol/api.py", line 343, in pre_process_request
    repo = self.get_repository(reponame)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/versioncontrol/api.py", line 530, in get_repository
    repoinfo = self.get_all_repositories().get(reponame, {})
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/versioncontrol/api.py", line 596, in get_all_repositories
    for reponame, info in provider.get_repositories() or []:
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/versioncontrol/api.py", line 124, in get_repositories
    % ",".join("'%s'" % each for each in self.repository_attrs)):
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/db/api.py", line 116, in execute
    return db.execute(query, params)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-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-py2.7.egg/trac/db/util.py", line 66, in execute
    return self.cursor.execute(sql)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-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-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-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. Use MySQL or PostgreSQL rather than SQLite if you experience the issue frequently.