[Owncloud] Corrupted views after upgrades (css problems)

Victor Dubiniuk victor.dubiniuk at gmail.com
Fri Sep 7 09:20:44 UTC 2012

Hi Christian,

I've got a similar issue recently and hope it will be fixed soon. As a
temporary solution you can add to your config.php

define('DEBUG', true);

While writing the CSS cache for another platform I didn't used file content
to validate the cache.
Instead I concatenated all input file names sorted in alphabetical order
with their sizes and used md5 on this string to produce the output filename.
If it is missed in the cache dir this means that it's time to refresh.


On Fri, Sep 7, 2012 at 11:50 AM, Christian Reiner <
foss at christian-reiner.info> wrote:

> Hello all,
> when upgrading OC I ran into an issue with corrupted styles a few times.
> Since I had that problem more than once and others reported the same issue
> I
> would like to point out a workaround to solve that issue.
> I am talking about corrupted views inside the web interface after login.
> Bug
> 1640 shows a screenshot:
> http://bugs.owncloud.org/thebuggenie/owncloud/issues/oc-1640
> In my cases it was cached css files that were outdated. Server side cached
> files, so no deep reload in the browser helped. I did not work through the
> strategy how OC caches the styles. But apparently the files are combined
> after
> being processed, most likely for speed improvements. Apparently these
> cached
> style definitions are outdated after some upgrades. and they won't get
> rebuilt
> automatically.
> For me this workaround fixed the issue: I simply made a trivial
> modification
> to one of the core css files (whitespace only) using a plain text editor on
> the server side. This is aparently enough for OC to recreate the cached
> versions (which makes sense in a way).
> I would like to make two suggestions, maybe someone familiar with the style
> caching wants to give this a short look:
> 1.) always explicitly recreate all cached styles in case of an upgrade.
> 2.) check the cached style timestamp (mtimes?) on a regular base against
> the
> timestamps of the processed files. Safest would be to do this during login,
> but obviously this slows down the login process which is bad.
> Just my suggestion, since I myself am not familliar with OCs caching
> strategy.
> --
> Christian Reiner (arkascha)
> [ foss at christian-reiner.info ]
> _______________________________________________
> Owncloud mailing list
> Owncloud at kde.org
> https://mail.kde.org/mailman/listinfo/owncloud
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