[ZODB-Dev] Exception when closing database

[Arve Knudsen]

Hi
I sometimes receive an exception when closing a ZODB, due to it trying to
remove a lock file which doesn't exist. Given the backtrace can you tell me
whether this is something which should be rectified in ZODB? I suspect the
problem lies in the fact that the database is closed from atexit, maybe ZODB
has already registered some kind of cleanup from atexit?

Error in atexit._run_exitfuncs:
Traceback (most recent call last):
  File "atexit.py", line 24, in _run_exitfuncs
    func(*targs, **kargs)
  File "/home/arve/Projects/Conduit/cdt_testing/common.py", line 63, in
close
    self.instlCtlg.close()
  File "/home/arve/Projects/Conduit/conduit/installed.py", line 477, in
close
    self._db.close()
  File "/home/arve/Projects/Conduit/conduit/_database.py", line 24, in close
    try: self._db.close()
  File "/usr/lib/python2.4/site-packages/ZODB/DB.py", line 431, in close
    self._storage.close()
  File "/usr/lib/python2.4/site-packages/ZODB/FileStorage/FileStorage.py",
line 400, in close
    self._lock_file.close()
  File "/usr/lib/python2.4/site-packages/ZODB/lock_file.py", line 74, in
close
    os.unlink(self._path)
OSError: [Errno 2] No such file or directory:
'/tmp/tmpCuD9cO/.conduit/storage/storage.fs.lock'

Thanks,
Arve
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