OperationalError: database is locked

[Andrey Semashev]

How to Reproduce

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

(please provide additional details here)

Request parameters:

{'col': [u'id', u'summary', u'status', u'type', u'milestone', u'component'],
 'component': u'exception',
 'order': u'priority',
 'status': [u'assigned', 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 "build/bdist.linux-i686/egg/trac/web/main.py", line 513, in _dispatch_request
    dispatcher.dispatch(req)
  File "build/bdist.linux-i686/egg/trac/web/main.py", line 258, in dispatch
    req.session.save()
  File "build/bdist.linux-i686/egg/trac/web/session.py", line 88, in save
    @self.env.with_transaction()
  File "build/bdist.linux-i686/egg/trac/db/api.py", line 77, in transaction_wrapper
    fn(ldb)
  File "build/bdist.linux-i686/egg/trac/web/session.py", line 110, in delete_session_cookie
    """, (self.sid,))
  File "build/bdist.linux-i686/egg/trac/db/util.py", line 65, in execute
    return self.cursor.execute(sql_escape_percent(sql), args)
  File "build/bdist.linux-i686/egg/trac/db/sqlite_backend.py", line 78, in execute
    result = PyFormatCursor.execute(self, *args)
  File "build/bdist.linux-i686/egg/trac/db/sqlite_backend.py", line 56, in execute
    args or [])
  File "build/bdist.linux-i686/egg/trac/db/sqlite_backend.py", line 48, in _rollback_on_error
    return function(self, *args, **kwargs)
OperationalError: database is locked