PHP Fatal error
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PHP Fatal error: Call to a member function get_component() on null in /home/XXXXXXXXXXX/public_html/wp-content/plugins/query-monitor/collectors/http.php on line 194
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Can you provide some more information please? Which plugins do you have active in your site? Is there anything out of the ordinary about your site’s configuration (for example, custom locations for the content or plugin directory)? I’m unable to debug this without some more information.
Thanks.
Hi John,
No custom locations.
Upon further review, there are actually 4 lines coming up in the wordpress debug with query monitor in it;
[19-May-2016 18:32:05 UTC] PHP Notice: Undefined index: _qm_key in /home/XXXXXXX/public_html/wp-content/plugins/query-monitor/collectors/http.php on line 106
[19-May-2016 18:32:14 UTC] PHP Notice: Undefined index: start in /home/XXXXXXX/public_html/wp-content/plugins/query-monitor/collectors/http.php on line 191
[19-May-2016 18:32:14 UTC] PHP Notice: Undefined index: trace in /home/XXXXXXX/public_html/wp-content/plugins/query-monitor/collectors/http.php on line 194
[19-May-2016 18:32:14 UTC] PHP Fatal error: Call to a member function get_component() on null in /home/XXXXXXX/public_html/wp-content/plugins/query-monitor/collectors/http.php on line 194I’m running an ecommerce site with WooCommerce. Here is part of the status report from that plugin that details all the plugins I’m running. (There’s a lot)
### WordPress Environment ###
Home URL: http://carewaywellness.com
Site URL: http://carewaywellness.com
WC Version: 2.5.5
Log Directory Writable: ✔
WP Version: 4.5.2
WP Multisite: –
WP Memory Limit: 1 GB
WP Debug Mode: –
Language: en_US### Server Environment ###
Server Info: Apache/2.2.24 (Unix) mod_hive/5.0 mod_ssl/2.2.24 OpenSSL/1.0.0-fips mod_auth_passthrough/2.1 mod_fastcgi/2.4.6 mod_bwlimited/1.4 mod_fcgid/2.3.6
PHP Version: 5.6.21
PHP Post Max Size: 32 MB
PHP Time Limit: 45
PHP Max Input Vars: 10000
SUHOSIN Installed: –
MySQL Version: 5.5.31
Max Upload Size: 24 MB
Default Timezone is UTC: ✔
fsockopen/cURL: ✔
SoapClient: ✔
DOMDocument: ✔
GZip: ✔
Multibyte String: ✔
Remote Post: ✔
Remote Get: ✔
WCS_DEBUG: ✔### Active Plugins (51) ###
Custom Bulk/Quick Edit Premium: by Michael Cannon – 1.6.1
LayerSlider WP: by Kreatura Media – 5.6.2
Auto Hide Admin Bar: by Marcel Bootsman – 1.0.3
BAW Login/Logout menu: by Juliobox – 1.3.3
Careway Customizations: by Derek A. Kelly – 1.8.5
Child Theme Configurator: by Lilaea Media – 2.0.3
Conditional Woo Checkout Field Pro: by Scott DeLuzio – 3.0.10
Contact Form 7: by Takayuki Miyoshi – 4.4.2
Custom Facebook Feed Pro Personal: by Smash Balloon – 2.6.6.3
Easy Columns: by Pat Friedl – v2.1.3
Enhanced E-commerce for Woocommerce store: by Tatvic – 1.0.18
Envato Market: by Derek Herman – 1.0.0-RC2
Insert Headers and Footers: by WPBeginner – 1.3.3
Insert HTML Snippet: by xyzscripts.com – 1.2
WPBakery Visual Composer: by Michael M – WPBakery.com – 4.11.2.1
MailPoet WooCommerce Add-on: by Sébastien Dumont – 3.0.2
Optin Revolution Pro: by Optin Revolution Pro – 1.2.8
P3 (Plugin Performance Profiler): by GoDaddy.com – 1.5.3.9
Print Friendly and PDF: by Print Friendly – 3.4.5
Cart Product Feed: by ExportFeed.com – 3.1.4.5
Really Simple CAPTCHA: by Takayuki Miyoshi – 1.9
SG CachePress: by SiteGround – 2.3.4
Simple 301 Redirects: by Scott Nellé – 1.07
Theme My Login: by Jeff Farthing – 6.4.4
UpdraftPlus – Backup/Restore: by UpdraftPlus.Com
DavidAnderson – 1.12.6
WooCommerce Subscriptions Remove Deprecation Handlers: by Prospress Inc. – 1.0
WooCommerce Cart Notices: by WooThemes / SkyVerge – 1.5.0
Follow-Up Emails: by 75nineteen Media LLC – 4.4.13
WooCommerce Authorize.net CIM Gateway: by WooThemes / SkyVerge – 2.2.1
WooCommerce Only Ship to Continental US: by Patrick Rauland – 1.0
WooCommerce Product CSV Import Suite: by WooThemes – 1.10.10
Woocommerce Products Per Page: by Jeroen Sormani – 1.2.2
WooCommerce Predictive Search PRO: by A3 Revolution – 3.3.1
WooCommerce Shipment Tracking: by WooThemes – 1.4.3
WooCommerce Simply Order Export: by Ankit Gade – 2.0.7
WooCommerce Subscriptions: by Prospress Inc. – 2.0.14
WooCommerce Table Rate Shipping: by Mike Jolley – 2.9.2
WooCommerce: by WooThemes – 2.5.5
WooSlider – WooCommerce Products Slideshow: by WooThemes – 1.0.10
WooSlider: by WooThemes – 2.3.0
WooThemes Helper: by WooThemes – 1.6.2
Wordfence Security: by Wordfence – 6.1.7
Yoast SEO: by Team Yoast – 3.2.5
WP-DBManager: by Lester ‘GaMerZ’ Chan – 2.78
WP – Meet the Team Shortcode v3: by phpbits – 3.0
WP reCaptcha Integration: by Jörn Lund – 1.1.10
Yoast WooCommerce SEO: by Team Yoast – 3.2
MailPoet Newsletters Premium: by MailPoet – 2.6.17
MailPoet Newsletters: by MailPoet – 2.7.1I’m running a premium theme called 123 Medicine
So does it break the whole site, break a certain functionality/page, or is it just an error randomly showing up in your logs? It’s likely and incompatibility with another plugin, in which case you can try disabling plugins 1 at a time until the error no longer appears.
@derekakelly It sounds like something is filtering HTTP API requests on the site, and conflicting with QM some how.
Are you able to do as MrBrian suggested above and disable your plugins one by one?
If not, if you could install Xdebug on the server then it’ll show you a full stack trace for the fatal error which will help pinpoint the cause of the problem.
@mrbrian my site has been somewhat slow, so I enabled debugging and have been going through it resolving whatever I can in hopes of increasing performance.
I will have to disable the plugins in the middle of the night or create a staging site to test it on. Since it’s an active ecommerce website, I’d rather not risk losing any sales.
@john Blackbourn I can ask my hosting provider if they’ll install it for us, we’re using a Cloud VPS so they might.
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I have been using this plugin for a long time and every so often go in and check debug. first time I’ve noticed anything from Query Monitor.
Although there are several new plugins I’m now using that came bundled with my theme
I’ve yet to hear back regarding Xdebug.
So, I created a staging site with my hosting provider’s built in staging tool. It’s essentially an exact copy of my production site. Well, it’s supposed to be… I have been trying to recreate this issue on my staging site without any luck. It however is still coming up on my production site. which is odd…
I’m also finding that I am getting gzinflate errors from at least 3 different plugins. Could this have something to do with it?
My host will install it if i want, but they’ll have to disable mod_hive. Which isn’t really a big deal, as I can manually set any of the config options it allowed me to change via my cpanel.
I did a little bit more reading in regards to Xdebug. I read that it’s not recommended for a production site. Would I be putting myself at risk by doing this?
Xdebug is primarily a debugging tool, but you can run it on a live site for a short time, find the cause of the errors, and then ask your host to disable it again.
Ok cool, thanks for the info John. I’ve given my host the go ahead to install it.
Now they want $100 to install it… And would likely want more money to disable it. Sorry, but we won’t be able to have Xdebug installed..
Wow, sorry to hear that.
Only thing I can suggest then is to attempt to narrow down when the error occurs, and then deactivate the other plugins on your site one by one to narrow down which plugins do or don’t cause it.
Oh, another thing to check. Do you have any mu-plugins on the site that might be performing or filtering HTTP API requests?
the only one I had loaded was P3 (Plugin Performance Profiler), which i disabled and I was still getting the errors.
So, I disabled every plugin and slowly brought everything back online. I believe the problem is from the Envato Market plugin. http://envato.github.io/wp-envato-market/
Since I disabled the plugin, I haven’t gotten those notices at all but I am now getting a new php notice.
[02-Jun-2016 17:47:25 UTC] PHP Notice: Undefined index: cache_misses in /home/xxxxxxxx/public_html/wp-content/plugins/query-monitor/collectors/cache.php on line 51I have tried purging my cache several times, I’m using my hosting company’s cache plugin.
https://wordpress.org/plugins/sg-cachepress/I am also getting this notice in regards to visual composer
http://imgur.com/3ntT9FM
perhaps it’s related?Thanks for the update. The
cache_missesissue is something I can fix in QM. I’ll give the Envato Market plugin a whirl and see if I can reproduce the problem.
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