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From Igor Cicimov <icici...@gmail.com>
Subject Re: [users@httpd] Weird locking issue with mod_dav
Date Sat, 15 Sep 2012 16:01:50 GMT
On Sat, Sep 15, 2012 at 11:33 PM, Werner Schalk <werner_schalk@gmx.de>wrote:

> Hello,
>
> I am trying to configure webdav for a folder and I am consistently hitting
> a problem: Whenever files are copied to the webdav share, the operation
> aborts and the error log of Apache contains the following entries:
>
> [Sat Sep 15 14:16:27 2012] [error] [client 81.210.X.Y] (2)No such file or
> directory: This resource is locked and an "If:" header was not supplied to
> allow access to the resource.  [423, #0]
> [Sat Sep 15 14:18:41 2012] [error] [client 81.210.X.Y] Could not LOCK
> /mydrop/Sample folder/P1290025.JPG due to a failed precondition (e.g. other
> locks).  [423, #0]
> [Sat Sep 15 14:18:41 2012] [error] [client 81.210.X.Y] (2)No such file or
> directory: Existing lock(s) on the requested resource prevent an exclusive
> lock.  [423, #0]
>
> Here is my configuration:
>
> DavLockDB "/var/lib/dav/lockdb2"
> <IfModule setenvif_module>
> BrowserMatch "Microsoft Data Access Internet Publishing Provider"
> redirect-carefully
> BrowserMatch "MS FrontPage" redirect-carefully
> BrowserMatch "^WebDrive" redirect-carefully
> BrowserMatch "^WebDAVFS/1.[012345678]" redirect-carefully
> BrowserMatch "^gnome-vfs/1.0" redirect-carefully
> BrowserMatch "^XML Spy" redirect-carefully
> BrowserMatch "^Dreamweaver-WebDAV-SCM1" redirect-carefully
> </IfModule>
>
> <VirtualHost 217.A.B.C:80>
>
>         ServerName www.bla.com
>         DocumentRoot "/home/bla/blubb/htdocs"
>
>         <Directory "/home/bla/blubb/htdocs">
>                 Options None
>                 AllowOverride AuthConfig
>                 Order allow,deny
>                 Allow from all
>         </Directory>
>
>          Alias /mydrop /home/bla/blubb/htdocs.webdav
>          <Location /mydrop>

         DAV On
>         Options Indexes
>                         AuthType Basic
>                         AuthName "Drop - Please enter password"
>                         AuthUserFile
> /home/bla/blubb/htdocs.webdav/.htpasswd
>                                                 <Limit GET PUT POST DELETE
> PROPFIND PROPPATCH MKCOL COPY MOVE LOCK UNLOCK>
>                                 Require valid-user
>                                                         Order allow,deny
>                                                         Allow from all
>                                                 </Limit>
>         DavMinTimeout 600
>
>          </Location>
>
>         <IfModule alias_module>
>                 ScriptAlias /cgi-bin/ "/var/www/myhost/cgi-bin/"
>         </IfModule>
>
>         php_admin_value suhosin.session.encrypt Off
>
>         LogLevel Debug
>
>         ErrorLog /var/log/apache2/host_x_error_log
>
>         <IfModule log_config_module>
>                 TransferLog /var/log/apache2/host_x_access_log
>         </IfModule>
>
> </VirtualHost>
>
> Any ideas? I have already checked the permissions for the lock, but they
> are fine (file is owned and writable my Apache user, so is the directory).
> Any ideas?


How about the permissions of "/home/bla/blubb/htdocs.webdav" is it writable
by apache?


> The Apache version I use is 2.2.22 , mod_dav, mod_dav_lock and mod_dav_fs
> are enabled. The issue happens regardsless of the "Limit" directive. And it
> happens even if I nuke the lock file or create a new one, the problem
> remains after restarting Apache.
>
> Kind regards,
> Werner
>
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