A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

/home/fweez/lib/python2.3/site-packages/trac/web/_fcgi.py in run(self=<trac.web._fcgi.Request object>)

565         """Runs the handler, flushes the streams, and ends the request."""

566         try:

567             protocolStatus, appStatus = self.server.handler(self)

568         except:

569             traceback.print_exc(file=self.stderr)

protocolStatus undefined, appStatus undefined, self = <trac.web._fcgi.Request object>, self.server = <trac.web._fcgi.Server object>, self.server.handler = <function _handler>

/home/fweez/lib/python2.3/site-packages/trac/web/fcgi_frontend.py in _handler(_req=<trac.web._fcgi.Request object>)

31 def _handler(_req):

32     req = CGIRequest(_req.params, _req.stdin, _req.stdout)

33     env = get_environment(req, os.environ)

34

35     if not env:

env undefined, global get_environment = <function get_environment>, req = <trac.web.cgi_frontend.CGIRequest object>, global os = <module 'os' from '/home/fweez/lib/python2.3/os.pyc'>, os.environ = {'SHLVL': '0', 'PATH': '/usr/local/bin:/usr/bin:...cells.pdxcb.net/trac', 'RAILS_ENV': 'production'}

/home/fweez/lib/python2.3/site-packages/trac/web/main.py in get_environment(req=<trac.web.cgi_frontend.CGIRequest object>, options={'SHLVL': '0', 'PATH': '/usr/local/bin:/usr/bin:...cells.pdxcb.net/trac', 'RAILS_ENV': 'production'}, threaded=True)

331               'or the mod_python options "TracEnv" or "TracEnvParentDir" ' \

332               'are missing.  Trac requires one of these options to locate ' \

333               'the Trac environment(s).'

334

335     return _open_environment(env_path, threaded)

global _open_environment = <function _open_environment>, env_path = '/home/fweez/pycells.pdxcb.net/trac', threaded = True

/home/fweez/lib/python2.3/site-packages/trac/web/main.py in _open_environment(env_path='/home/fweez/pycells.pdxcb.net/trac', threaded=True)

49     try:

50         if not env_path in env_cache:

51             env_cache[env_path] = open_environment(env_path)

52         env = env_cache[env_path]

53     finally:

global env_cache = {}, env_path = '/home/fweez/pycells.pdxcb.net/trac', global open_environment = <function open_environment>

/home/fweez/lib/python2.3/site-packages/trac/env.py in open_environment(env_path='/home/fweez/pycells.pdxcb.net/trac')

373

374     env = Environment(env_path)

375     if env.needs_upgrade():

376         raise TracError, 'The Trac Environment needs to be upgraded. Run ' \

377                          'trac-admin %s upgrade"' % env_path

env = <trac.env.Environment object>, env.needs_upgrade = <bound method Environment.needs_upgrade of <trac.env.Environment object>>

/home/fweez/lib/python2.3/site-packages/trac/env.py in needs_upgrade(self=<trac.env.Environment object>)

279         db = self.get_db_cnx()

280         for participant in self.setup_participants:

281             if participant.environment_needs_upgrade(db):

282                 self.log.warning('Component %s requires environment upgrade',

283                                  participant)

participant = <trac.env.EnvironmentSetup object>, participant.environment_needs_upgrade = <bound method EnvironmentSetup.environment_needs_upgrade of <trac.env.EnvironmentSetup object>>, db = <trac.db.PooledConnection object>

/home/fweez/lib/python2.3/site-packages/trac/env.py in environment_needs_upgrade(self=<trac.env.EnvironmentSetup object>, db=<trac.db.PooledConnection object>)

332

333     def environment_needs_upgrade(self, db):

334         dbver = self.env.get_version(db)

335         if dbver == db_default.db_version:

336             return False

dbver undefined, self = <trac.env.EnvironmentSetup object>, self.env = <trac.env.Environment object>, self.env.get_version = <bound method Environment.get_version of <trac.env.Environment object>>, db = <trac.db.PooledConnection object>

/home/fweez/lib/python2.3/site-packages/trac/env.py in get_version(self=<trac.env.Environment object>, db=<trac.db.PooledConnection object>)

202             db = self.get_db_cnx()

203         cursor = db.cursor()

204         cursor.execute("SELECT value FROM system WHERE name='database_version'")

205         row = cursor.fetchone()

206         return row and int(row[0])

cursor = <trac.db.IterableCursor object>, cursor.execute = <bound method PyFormatCursor.execute of <trac.db.PyFormatCursor object>>

/home/fweez/lib/python2.3/site-packages/trac/db.py in execute(self=<trac.db.PyFormatCursor object>, sql="SELECT value FROM system WHERE name='database_version'", args=None)

217                 sql = sql % (('?',) * len(args))

218             return self._rollback_on_error(sqlite.Cursor.execute, sql,

219                                            args or [])

220         def executemany(self, sql, args=None):

221             if args:

args = None

/home/fweez/lib/python2.3/site-packages/trac/db.py in _rollback_on_error(self=<trac.db.PyFormatCursor object>, function=<method 'execute' of 'pysqlite2.dbapi2.Cursor' objects>, *args=("SELECT value FROM system WHERE name='database_version'", []), **kwargs={})

209         def _rollback_on_error(self, function, *args, **kwargs):

210             try:

211                 return function(self, *args, **kwargs)

212             except sqlite.OperationalError, e:

213                 self.cnx.rollback()

function = <method 'execute' of 'pysqlite2.dbapi2.Cursor' objects>, self = <trac.db.PyFormatCursor object>, args = ("SELECT value FROM system WHERE name='database_version'", []), kwargs = {}

OperationalError: database is locked
      args = ('database is locked',)