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Subject DO NOT REPLY [Bug 50237] webdav LOCK access with multiple threads to same folder causes UNLOCK failures
Date Wed, 10 Nov 2010 20:53:24 GMT

Stefan Fritsch <> changed:

           What    |Removed                     |Added
             Status|NEW                         |NEEDINFO

--- Comment #1 from Stefan Fritsch <> 2010-11-10 15:53:21 EST ---
I could not reproduce this (neither with 2.2.16 nor with trunk).

I suspect that there may be a lock contention when accessing the dbm file that
stores the locks. Which dbm library are you using? (Try 'ldd
/usr/lib/apr-util-1/' or 'ldd /usr/lib/' depending
on how you compiled it). I have Berkley DB 4.8.

To get more info, you could also try strace-ing httpd and see which system call
returns 'Resource temporarily unavailable' (EAGAIN). If it is something related
to your dav lockdb, that would give a hint. But it's also possible that it is
not related to DAV at all but a bug in the logging code.

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