Trac detected an internal error: OperationalError: database is locked

[t.schneider@…]

How to Reproduce

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

(please provide additional details here)

Request parameters:

{'page': u'DailyNews'}

System Information

Trac	0.11b1
Python	2.4.1 (#1, Sep 13 2005, 00:39:20) [GCC 4.0.2 20050901 (prerelease) (SUSE Linux)]
setuptools	0.6c7
SQLite	3.2.2
pysqlite	2.0.7
Genshi	0.4.4
Subversion	1.4.6 (r28521)

Python Traceback

Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/Trac-0.11b1-py2.4.egg/trac/web/main.py", line 398, in _dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.4/site-packages/Trac-0.11b1-py2.4.egg/trac/web/main.py", line 171, in dispatch
    chosen_handler)
  File "/usr/lib/python2.4/site-packages/Trac-0.11b1-py2.4.egg/trac/web/main.py", line 284, in _pre_process_request
    chosen_handler = filter_.pre_process_request(req, chosen_handler)
  File "/usr/lib/python2.4/site-packages/Trac-0.11b1-py2.4.egg/trac/versioncontrol/api.py", line 79, in pre_process_request
    self.get_repository(req.authname).sync()
  File "/usr/lib/python2.4/site-packages/Trac-0.11b1-py2.4.egg/trac/versioncontrol/cache.py", line 80, in sync
    cursor.execute("SELECT name, value FROM system WHERE name IN (%s)" %
  File "/usr/lib/python2.4/site-packages/Trac-0.11b1-py2.4.egg/trac/db/util.py", line 51, in execute
    return self.cursor.execute(sql)
  File "/usr/lib/python2.4/site-packages/Trac-0.11b1-py2.4.egg/trac/db/sqlite_backend.py", line 58, in execute
    args or [])
  File "/usr/lib/python2.4/site-packages/Trac-0.11b1-py2.4.egg/trac/db/sqlite_backend.py", line 50, in _rollback_on_error
    return function(self, *args, **kwargs)
OperationalError: database is locked

[Christian Boos]

Duplicate of either #3446 or #4929.

If your situation is the one of #4929, then please follow-up there with the relevant information about your system configuration.

In all cases, upgrade to a more recent PySqlite release (2.4.1 is perfect).