Title: [Plugin: W3 Total Cache] Wierd SQL problem – server has gone away Last modified: August 19, 2016 --- # [Plugin: W3 Total Cache] Wierd SQL problem – server has gone away * [M](https://wordpress.org/support/users/infolegal/) * (@infolegal) * [15 years, 5 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-wierd-sql-problem-server-has-gone-away/) * I’m getting a bunch of errors in my error log and they look like this: [22-Nov- 2010 04:54:01] WordPress database error MySQL server has gone away for query UPDATE `wp_options` SET `option_value` = ‘O:28:\”GoogleSitemapGeneratorStatus\”: 34:{s:10:\”_startTime\”;d:1290401617.35437488555908203125;s:8:\”_endTime\”;d: 1290401641.84984493255615234375;s:11:\”_hasChanged\”;b:1;s:12:\”_memoryUsage\”; i:20185088;s:9:\”_lastPost\”;i:3635;s:9:\”_lastTime\”;d:1290401641.495130062103271484375; s:8:\”_usedXml\”;b:1;s:11:\”_xmlSuccess\”;b:1;s:8:\”_xmlPath\”;s:37:\”/home/mysite/ public_html/sitemap.xml\”;s:7:\”_xmlUrl\”;s:36:\”[http://www.mysite.ro/sitemap.xml](http://www.mysite.ro/sitemap.xml)\”; s:8:\”_usedZip\”;b:1;s:11:\”_zipSuccess\”;b:1;s:8:\”_zipPath\”;s:40:\”/home/mysite/ public_html/sitemap.xml.gz\”;s:7:\”_zipUrl\”;s:39:\”[http://www.mysite.ro/sitemap.xml.gz](http://www.mysite.ro/sitemap.xml.gz)\”; s:11:\”_usedGoogle\”;b:1;s:10:\”_googleUrl\”;s:102:\”[http://www.google.com/webmasters/sitemaps/ping?sitemap=http%3A%2F%2Fwww.mysite.ro%2Fsitemap.xml.gz](http://www.google.com/webmasters/sitemaps/ping?sitemap=http%3A%2F%2Fwww.mysite.ro%2Fsitemap.xml.gz)\”; s:15:\”_gooogleSuccess\”;b:1;s:16:\”_googleStartTime\”;d:1290401641.6085479259490966796875; s:14:\”_googleEndTime\”;d:1290401641.6463301181793212890625;s:10:\”_usedYahoo\”; b:0;s:9:\”_yahooUrl\”;s:0:\”\”;s:13:\”_yahooSuccess\”;b:0;s:15:\”_yahooStartTime\”; i:0;s:13:\”_yahooEndTime\”;i:0;s:8:\”_usedAsk\”;b:1;s:7:\”_askUrl\”;s:87:\”[http://submissions.ask.com/ping?sitemap=http%3A%2F%2Fwww.mysite.ro%2Fsitemap.xml.gz](http://submissions.ask.com/ping?sitemap=http%3A%2F%2Fwww.mysite.ro%2Fsitemap.xml.gz)\”; s:11:\”_askSuccess\”;b:1;s:13:\”_askStartTime\”;d:1290401641.647511005401611328125; s:11:\”_askEndTime\”;d:1290401641.7247600555419921875;s:8:\”_usedMsn\”;b:1;s: 7:\”_msnUrl\”;s:95:\”[http://www.bing.com/webmaster/ping.aspx?siteMap=http%3A%2F%2Fwww.mysite.ro%2Fsitemap.xml.gz](http://www.bing.com/webmaster/ping.aspx?siteMap=http%3A%2F%2Fwww.mysite.ro%2Fsitemap.xml.gz)\”; s:11:\”_msnSuccess\”;b:1;s:13:\”_msnStartTime\”;d:1290401641.7259519100189208984375; s:11:\”_msnEndTime\”;d:1290401641.8486659526824951171875;}’ WHERE `option_name` = ‘sm_status’ made by do_action_ref_array, call_user_func_array, GoogleSitemapGeneratorLoader- >CallBuildSitemap, GoogleSitemapGenerator->BuildSitemap, GoogleSitemapGeneratorStatus- >End, GoogleSitemapGeneratorStatus->Save, update_option, W3_Db->query * I have a lot others with the same intro “WordPress database error MySQL server has gone away for query SELECT” and ending “W3_Db->query”. * I’m not sure if this is related to W3TC. Does anyone have any idea? * [http://wordpress.org/extend/plugins/w3-total-cache/](http://wordpress.org/extend/plugins/w3-total-cache/) Viewing 5 replies - 1 through 5 (of 5 total) * [morcom](https://wordpress.org/support/users/morcom/) * (@morcom) * [15 years, 5 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-wierd-sql-problem-server-has-gone-away/#post-1780309) * Don’t think it is to do with W3-total-cache as I get same errors on my sites which don’t use it……. _[20-Nov-2010 08:54:02] WordPress database error MySQL server has gone away for query SELECT option\_value FROM cc\_options WHERE option\ _name = ‘feedwordpress\_freshness’ LIMIT 1 made by shutdown\_action\_hook, do\ _action, call\_user\_func\_array, feedwordpress\_auto\_update, FeedWordPress- >stale, get\_option._ It looks like it happens on a weekly basis and I think most probably due to hosting maintenance. I use Hostgator which I find is great and I live with these outages which although look really bad last for a matter of seconds only. Hope this helps…. * Thread Starter [M](https://wordpress.org/support/users/infolegal/) * (@infolegal) * [15 years, 5 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-wierd-sql-problem-server-has-gone-away/#post-1780310) * I see, thanks a lot! I’ll bug HG then. * [morcom](https://wordpress.org/support/users/morcom/) * (@morcom) * [15 years, 5 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-wierd-sql-problem-server-has-gone-away/#post-1780312) * Hi there “M” glad to have helped – let me know how it goes with HG * Thread Starter [M](https://wordpress.org/support/users/infolegal/) * (@infolegal) * [15 years, 5 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-wierd-sql-problem-server-has-gone-away/#post-1780442) * basically it didn’t 🙁 (unlike the rest of the 99% of the cases when I asked something). They replied I should remove the XML sitemap plugin which seems to be causing that slow query. * Plugin Contributor [Frederick Townes](https://wordpress.org/support/users/fredericktownes/) * (@fredericktownes) * [15 years, 5 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-wierd-sql-problem-server-has-gone-away/#post-1780500) * Did deactivating that plugin resolve the issue? It’s best to build the XML sitemap only once per day using a cron if possible if you have lots of posts or limited resources. Viewing 5 replies - 1 through 5 (of 5 total) The topic ‘[Plugin: W3 Total Cache] Wierd SQL problem – server has gone away’ 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/) * [Frequently Asked Questions](https://wordpress.org/plugins/w3-total-cache/#faq) * [Support Threads](https://wordpress.org/support/plugin/w3-total-cache/) * [Active Topics](https://wordpress.org/support/plugin/w3-total-cache/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/w3-total-cache/unresolved/) * [Reviews](https://wordpress.org/support/plugin/w3-total-cache/reviews/) * 5 replies * 3 participants * Last reply from: [Frederick Townes](https://wordpress.org/support/users/fredericktownes/) * Last activity: [15 years, 5 months ago](https://wordpress.org/support/topic/plugin-w3-total-cache-wierd-sql-problem-server-has-gone-away/#post-1780500) * Status: not a support question