OperationalError: database is locked

[datakid]

How to Reproduce

While doing a GET operation on /report/3, Trac issued an internal error.

While on the plumi.org checking stuff in prep for 0.2.1-rc1, I clicked the link to Development Trackerin the left hand column, and I got this error message.

Request parameters:

{'id': u'3'}

System Information

Trac	0.11
Python	2.5.2 (r252:60911, Jul 12 2008, 13:21:02) [GCC 4.3.1]
setuptools	0.6c8
SQLite	3.5.9
pysqlite	2.4.1
Genshi	0.5
mod_python	3.3.1
Pygments	0.10
Subversion	1.5.0 (r31699)

Python Traceback

Traceback (most recent call last):
  File "/var/lib/python-support/python2.5/trac/web/main.py", line 423, in _dispatch_request
    dispatcher.dispatch(req)
  File "/var/lib/python-support/python2.5/trac/web/main.py", line 222, in dispatch
    req.session.save()
  File "/var/lib/python-support/python2.5/trac/web/session.py", line 84, in save
    (self.sid, self.last_visit, authenticated))
  File "/var/lib/python-support/python2.5/trac/db/util.py", line 50, in execute
    return self.cursor.execute(sql_escape_percent(sql), args)
  File "/var/lib/python-support/python2.5/trac/db/sqlite_backend.py", line 58, in execute
    args or [])
  File "/var/lib/python-support/python2.5/trac/db/sqlite_backend.py", line 50, in _rollback_on_error
    return function(self, *args, **kwargs)
OperationalError: database is locked