OperationalError: database is locked

[naoliv]

How to Reproduce

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

Request parameters:

{'description': u'~turn restriction',
 'order': u'priority',
 'status': [u'assigned', u'needinfo', u'new', u'reopened']}

User agent: #USER_AGENT#

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 234, in dispatch
    req.send(output, content_type or 'text/html')
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/web/api.py", line 478, in send
    self.send_response(status)
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/web/main.py", line 79, in send_response
    self.session.save()
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/web/session.py", line 161, in save
    session_saved = True
  File "/usr/local/lib/python2.7/dist-packages/Trac-1.0-py2.7.egg/trac/db/api.py", line 148, in __exit__
    self.db.commit()
OperationalError: database is locked

[stoecker]

Closed as duplicate of #8038.