Jürgen Herrmann wrote at 2006-1-25 11:00 +0100:
>after upgrading to zope 2.9 i receeive the following errors for about
>20-30s after restart:
>2006-01-25 10:54:16 ERROR ZODB.lock_file Error locking file
>Traceback (most recent call last):
>  File "/home/bliss/zope/lib/python/ZODB/lock_file.py", line 63, in __init__
>    lock_file(self._fp)
>  File "/home/bliss/zope/lib/python/ZODB/lock_file.py", line 42, in lock_file
>    fcntl.flock(file.fileno(), _flags)
>IOError: [Errno 11] Resource temporarily unavailable

This means that the storage is opened by another process.

Stop this other process and your problem should go away (unless
your process tries to open it twice).

For more information about ZODB, see the ZODB Wiki:

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