Title: [Plugin: W3 Total Cache] Blank post.php after enabling XCache for object/database cache
Last modified: August 19, 2016

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# [Plugin: W3 Total Cache] Blank post.php after enabling XCache for object/database cache

 *  Resolved [reface](https://wordpress.org/support/users/reface/)
 * (@reface)
 * [15 years, 4 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-blank-postphp-after-enabling-xcache-for-objectdatabase-cache/)
 * After installing XCache on the server and enabling it for object and database
   cache in W3TC, the site was loading faster than ever. There’s a huge downside,
   however. A few important links in my admin dashboard just render a blank, empty,
   white page:
 * – “Add New” (post-new.php)
    – “Save Draft” – “Preview” (post.php, unless right-
   clicked and opened in new window… it then redirects to the proper preview URL
   that works) But worst of all though: – “Publish”
 * If I disable object and database cache and empty all caches, the “Add New” page
   for instance works again.
 * Also rendering a blank page when things are enabled (and not post related): “
   Deploy” in W3 Total Cache.

Viewing 7 replies - 1 through 7 (of 7 total)

 *  Thread Starter [reface](https://wordpress.org/support/users/reface/)
 * (@reface)
 * [15 years, 4 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-blank-postphp-after-enabling-xcache-for-objectdatabase-cache/#post-1898396)
 * Clicking the “empty only the opcode cache” also renders a blank page. Empty only
   the disk cache(s) works fine.
 *  Thread Starter [reface](https://wordpress.org/support/users/reface/)
 * (@reface)
 * [15 years, 4 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-blank-postphp-after-enabling-xcache-for-objectdatabase-cache/#post-1898401)
 * “Add New” (post-new.php) shows the post form again with:
    a) XCache object cache
   DISABLED b) XCache database cache ENABLED But “Save Draft”, “Publish” etc. still
   don’t.
 * With both caches disabled, every link and button works again.
 *  Plugin Contributor [Frederick Townes](https://wordpress.org/support/users/fredericktownes/)
 * (@fredericktownes)
 * [15 years, 4 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-blank-postphp-after-enabling-xcache-for-objectdatabase-cache/#post-1898593)
 * Did you check the error log? It seems you need to disable the authentication 
   for the administration. Check the xcache documentation on how to do this.
 *  Thread Starter [reface](https://wordpress.org/support/users/reface/)
 * (@reface)
 * [15 years, 4 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-blank-postphp-after-enabling-xcache-for-objectdatabase-cache/#post-1898637)
 * That helped and so far everything runs smoothly.
 * Thanks so much for your indispensable plugin and your quick support!
 *  [jcats](https://wordpress.org/support/users/jcats/)
 * (@jcats)
 * [14 years, 10 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-blank-postphp-after-enabling-xcache-for-objectdatabase-cache/#post-1898798)
 * What exactly did you do to get this working I am having the same exact issue.
 * I have edited:
 * wp-content/plugins/w3-total-cache/ini/xcache.ini
    xcache.admin.enable_auth = 
   Off
 * Like stated in:
 * [http://xcache.lighttpd.net/wiki/XcacheIni](http://xcache.lighttpd.net/wiki/XcacheIni)
 * Still getting the white pages, have checked every error log possible with nothing.
   The only cache I can clear is the disk cache not opcode.
 * Thanks!
 *  [elitecruises](https://wordpress.org/support/users/elitecruises/)
 * (@elitecruises)
 * [14 years, 10 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-blank-postphp-after-enabling-xcache-for-objectdatabase-cache/#post-1898799)
 * I have the same problem. Get blank page after empyting cache. Have to log out
   of dashboard. When I log in again, cache was not cleared.
 *  [elitecruises](https://wordpress.org/support/users/elitecruises/)
 * (@elitecruises)
 * [14 years, 10 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-blank-postphp-after-enabling-xcache-for-objectdatabase-cache/#post-1898800)
 * Think we found answer. Admin authentication must be turned off:
    Description:
   xcache.admin.enable_auth = Off This needs to be set in php.ini.(cPanel = /usr/
   lib/php.ini) as well as,
 * /home/XXXXX/public_html/testing/wp-content/plugins/w3-total-cache/ini/xcache.
   ini
 * Follow up comments appreciated.

Viewing 7 replies - 1 through 7 (of 7 total)

The topic ‘[Plugin: W3 Total Cache] Blank post.php after enabling XCache for object/
database cache’ is closed to new replies.

 * ![](https://ps.w.org/w3-total-cache/assets/icon-256x256.png?rev=1041806)
 * [W3 Total Cache](https://wordpress.org/plugins/w3-total-cache/)
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 * 7 replies
 * 4 participants
 * Last reply from: [elitecruises](https://wordpress.org/support/users/elitecruises/)
 * Last activity: [14 years, 10 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-blank-postphp-after-enabling-xcache-for-objectdatabase-cache/#post-1898800)
 * Status: resolved