OperationalError: database is locked

[anonymous]

How to Reproduce

While doing a POST operation on /newticket, Trac issued an internal error.

(please provide additional details here)

Request parameters:

{'__FORM_TOKEN': u'4f4a865c9e0cdf1963f600ad',
 'author': u'anonymous',
 'field_cc': u'',
 'field_component': u'Documentation',
 'field_description': u'In the help file for DLLCall is says \r\n{{{\r\nFailure: szt @error\r\n}}}\r\n\r\nI believe it should be "set"\r\n ',
 'field_keywords': u'',
 'field_status': u'new',
 'field_summary': u'Typo In DLLCall Documentation ',
 'field_type': u'Bug',
 'field_version': u'3.3.1.3',
 'submit': u'Create ticket'}

User Agent was: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729)

System Information

Trac	0.11.5
Python	2.4.3 (#1, Jul 27 2009, 17:56:30) [GCC 4.1.2 20080704 (Red Hat 4.1.2-44)]
setuptools	0.6c7
SQLite	3.3.6
pysqlite	1.1.7
Genshi	0.5.1
mod_python	3.2.8
Subversion	1.6.5 (r38866)
jQuery:	1.2.6

Python Traceback

Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 444, in _dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 205, in dispatch
    resp = chosen_handler.process_request(req)
  File "/usr/lib/python2.4/site-packages/trac/ticket/web_ui.py", line 183, in process_request
    return self._process_newticket_request(req)
  File "/usr/lib/python2.4/site-packages/trac/ticket/web_ui.py", line 392, in _process_newticket_request
    valid = self._validate_ticket(req, ticket)
  File "/usr/lib/python2.4/site-packages/trac/ticket/web_ui.py", line 970, in _validate_ticket
    for field, message in manipulator.validate_ticket(req, ticket):
  File "/var/www/vhosts/autoitscript.com/au3_services/trac/autoit/plugins/TracSpamFilter-0.2.1.2dev-py2.4.egg/tracspamfilter/adapters.py", line 67, in validate_ticket
  File "/var/www/vhosts/autoitscript.com/au3_services/trac/autoit/plugins/TracSpamFilter-0.2.1.2dev-py2.4.egg/tracspamfilter/api.py", line 133, in test
  File "/var/www/vhosts/autoitscript.com/au3_services/trac/autoit/plugins/TracSpamFilter-0.2.1.2dev-py2.4.egg/tracspamfilter/model.py", line 135, in insert
  File "/usr/lib/python2.4/site-packages/trac/db/util.py", line 59, in execute
    return self.cursor.execute(sql_escape_percent(sql), args)
  File "/usr/lib64/python2.4/site-packages/sqlite/main.py", line 255, in execute
    self.rs = self.con.db.execute(SQL % parms)
OperationalError: database is locked

[Valik]

This happens too infrequently to care about. Also I don't really know why it happens and is probably something I can't fix anyway without spending weeks learning the Trac codebase.