error "oops tracker has detected a problem"

[anonymous]

Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 379, in dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 190, in dispatch
    req.perm = PermissionCache(self.env, req.authname)
  File "/usr/lib/python2.4/site-packages/trac/perm.py", line 267, in __init__
    self.perms = PermissionSystem(env).get_user_permissions(username)
  File "/usr/lib/python2.4/site-packages/trac/perm.py", line 231, in get_user_permissions
    for perm in self.store.get_user_permissions(username):
  File "/usr/lib/python2.4/site-packages/trac/perm.py", line 111, in get_user_permissions
    cursor.execute("SELECT username,action FROM permission")
  File "/usr/lib/python2.4/site-packages/trac/db/util.py", line 48, in execute
    return self.cursor.execute(sql)
  File "/usr/lib/python2.4/site-packages/trac/db/sqlite_backend.py", line 56, in execute
    args or [])
  File "/usr/lib/python2.4/site-packages/trac/db/sqlite_backend.py", line 48, in _rollback_on_error
    return function(self, *args, **kwargs)
OperationalError: database is locked

[Emmanuel Blot]

From the trace you've copied, it looks like that you are using 0.10.1, not 0.10.2.

[Christian Boos]

One of the many duplicates of either #3446 (transient, good) or #4929 (persistent, bad).