OperationalError: database is locked

[mfiedler]

How to Reproduce

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

(please provide additional details here)

Request parameters:

{'cf_product': u'ekso 1.2',
 'col': [u'id',
         u'summary',
         u'cf_product',
         u'component',
         u'status',
         u'owner',
         u'priority',
         u'time',
         u'changetime',
         u'cf_type',
         u'cf_risk'],
 'component': u'Software',
 'max': u'200',
 'order': u'priority',
 'report': u'13',
 'status': [u'assigned', u'new', u'resolved', u'verified']}

User agent: #USER_AGENT#

System Information

Trac	0.12.5
CustomFieldAdmin	0.2.2
Genshi	0.6 (without speedups)
Pygments	1.0
pysqlite	2.5.5
Python	2.5.4 (r254:67916, Apr 9 2009, 07:57:21) [GCC 4.1.2 20070626 (Red Hat 4.1.2-14)]
pytz	2006p
RPC	1.1.2
setuptools	0.6c8
SQLite	3.3.6
Subversion	1.7.9 (r1462340)
jQuery	#JQUERY#

Enabled Plugins

AnnouncerPlugin	0.2
BatchModify	0.8.0-trac0.12
IniAdmin	0.2
TracCustomFieldAdmin	0.2.2
TracNav	4.0pre7
TracTicketClone	8149
TracXMLRPC	1.1.2

Python Traceback

Traceback (most recent call last):
  File "/usr/local/python/lib/python2.5/site-packages/trac/web/main.py", line 522, in _dispatch_request
    dispatcher.dispatch(req)
  File "/usr/local/python/lib/python2.5/site-packages/trac/web/main.py", line 266, in dispatch
    req.session.save()
  File "/usr/local/python/lib/python2.5/site-packages/trac/web/session.py", line 117, in save
    @self.env.with_transaction()
  File "/usr/local/python/lib/python2.5/site-packages/trac/db/api.py", line 78, in transaction_wrapper
    ldb.commit()
OperationalError: database is locked

[Jun Omae]

A duplicate of #3446, one of MostFrequentDuplicates. Please search tickets before submit a new ticket.