Error: Database is locked

[ssiddiqui@…]

Trying to add comments and submit changes in Trac and getting error that database is locked.

Trace as follows.

Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 356, in dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 224, in dispatch
    resp = chosen_handler.process_request(req)
  File "/usr/lib/python2.4/site-packages/trac/ticket/web_ui.py", line 279, in process_request
    self._do_save(req, db, ticket)
  File "/usr/lib/python2.4/site-packages/trac/ticket/web_ui.py", line 546, in _do_save
    cnum=internal_cnum)
  File "/usr/lib/python2.4/site-packages/trac/ticket/model.py", line 252, in save_changes
    (self.id, when, author, cnum, comment))
  File "/usr/lib/python2.4/site-packages/trac/db/util.py", line 47, in execute
    return self.cursor.execute(sql_escape_percent(sql), args)
  File "/usr/lib/python2.4/site-packages/sqlite/main.py", line 237, in execute
    self.con._begin()
  File "/usr/lib/python2.4/site-packages/sqlite/main.py", line 503, in _begin
    self.db.execute("BEGIN")
OperationalError: database is locked

[Christian Boos]

sqlite/main.py, that's SQLite v1, not really supported anymore.

See #3446.