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Re: 423 Locked

From: <jamsden@us.ibm.com>
Date: Thu, 3 Feb 2000 12:28:23 -0500
To: w3c-dist-auth@w3.org
Message-ID: <8525687A.00605EA0.00@d54mta03.raleigh.ibm.com>

Like Geoff, I don't think there should be too much problem doing the
PROPFIND after the failed lock. The only thing that can happen between the
LOCK and the PROPFIND that would be of interest is UNLOCK, and then the
client would see the lock was gone and there is nothing to do (always a
possibility in a distributed, concurrent environment). We have to be
careful about overloading methods to support client use cases. This will
cause the protocol to bloat and become complex. It will also reduce
interoperability and create situations where one client's use cases
conflict with another. Some methods do return failure information that your
client can use.

falk@excosoft.se on 02/03/2000 11:29:48 AM

To:   Jim Amsden/Raleigh/IBM@IBMUS

Subject:  Re: 423 Locked


If you follow the 423 Locked thread, you see that I suggested that the
lockdiscovery should be sent in the 423 response. I would like the 423
to contain the locked by info, so that I don't have to do a new request to
server ( performance ), and not have a time gap.
Do you have any comments about sending the lockdiscovery in the 423
response, I
would appriciate getting them... ( or if you can post them on the webdav


> There is a DAV property called DAV:lockdiscovery which contains a
> DAV:activelock element which contains, among other things, a DAV:owner
> field describing the owner of the lock. The WebDAV spec does not define
> content of the DAV:owner element, it only suggests that it should
> the owner of the lock in some way that another user could contact the
> owner. Unfortunately, there is no element in DAV:activelock that
> the actual princapal that took out the lock. I believe this is a bug that
> requires all clients to maintain their lock tokens in some other
> repository. This issue has been open for over a year. I hope it gets
> addressed and resolved as part of the ongoing effort to clarify WebDAV
> locking semantics and protocol.
> "Rickard Falk" <rickard.falk@excosoft.se>@w3.org on 02/03/2000 03:46:52
> Sent by:  w3c-dist-auth-request@w3.org
> To:   <w3c-dist-auth@w3.org>
> cc:
> Subject:  423 Locked
> If a resource is locked with a exclusive lock, and another user tries to
> lock if. The response then is 423 Locked. But, is there any way for the
> client to know who owns the lock?
> I would like the response to look something like this :
> 421 Locked
> Date: ...
> Server: ...
> Connection: ...
> LockOwner : user
> LockDate  : date
> LockType  : exclusive
> LockedUntil : date         // if specified when locked
> Comments?
> /Rickard
Received on Thursday, 3 February 2000 12:32:45 UTC

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