Title: woocommerce plugin causes redirect loop Last modified: May 17, 2019 --- # woocommerce plugin causes redirect loop * Resolved [Gab](https://wordpress.org/support/users/gabrix73/) * (@gabrix73) * [7 years ago](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/) * I come immediately to the point. The woocommerce plugin and, judging by the logs, even woocommerce plugins, cause a fatal error that causes an infinite redirect loop to those who remain connected to the site, even after removing them. Apache error logs report: `Fatal error: Uncaught Error: Call to undefined function get_woocommerce_currency() in /var/www/newkml/wordpress/wp-content/plugins/woocommerce-gateway-paypal-express- checkout/includes/class-wc-gateway-ppec-settings.php:293 Stack trace: #0 /var/ www/newkml/wordpress/wp-content/plugins/woocommerce-gateway-paypal-express-checkout/ includes/class-wc-gateway-ppec-plugin.php(354): WC_Gateway_PPEC_Settings->currency_has_decimal_restriction()# 1 /var/www/newkml/wordpress/wp-includes/class-wp-hook.php(286): WC_Gateway_PPEC_Plugin- >activate('') #2 /var/www/newkml/wordpress/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters('', Array) #3 /var/www/newkml/wordpress/wp-includes/plugin. php(465): WP_Hook->do_action(Array) #4 /var/www/newkml/wordpress/wp-admin/plugins. php(177): do_action('activate_woocom...') #5 {main} thrown in /var/www/newkml/ wordpress/wp-content/plugins/woocommerce-gateway-paypal-express-checkout/includes/ class-wc-gateway-ppec-settings.php on line 293` Here complaints about an another, maybe unofficial plugin: `[Fri May 17 12:22:01.189191 2019] [php7:error] [pid 13144] [client 95.216.136.47:43558] PHP Fatal error: Uncaught Error: Call to undefined function wc_get_base_location() in /var/www/newkml/wordpress/wp-content/ plugins/klarna-onsite-messaging-for-woocommerce/klarna-onsite-messaging-for-woocommerce. php:156\nStack trace:\n#0 /var/www/newkml/wordpress/wp-includes/class-wp-hook. php(286): Klarna_OnSite_Messaging_For_WooCommerce->enqueue_scripts('')\n#1 /var/ www/newkml/wordpress/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters( NULL, Array)\n#2 /var/www/newkml/wordpress/wp-includes/plugin.php(465): WP_Hook- >do_action(Array)\n#3 /var/www/newkml/wordpress/wp-includes/script-loader.php( 2537): do_action('wp_enqueue_scri...')\n#4 /var/www/newkml/wordpress/wp-includes/ class-wp-hook.php(286): wp_enqueue_scripts('')\n#5 /var/www/newkml/wordpress/ wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array)\n#6 / var/www/newkml/wordpress/wp-includes/plugin.php(465): WP_Hook->do_action(Array)\ n#7 /var/www/newkml/wordpress/wp-includes/general-template.php(2746): do_action(' wp_head')\n#8 /var/www/newkml/wordpress/wp-conte in /var/www/newkml/wordpress/ wp-content/plugins/klarna-onsite-messaging-for-woocommerce/klarna-onsite-messaging- for-woocommerce.php on line 156` I haven’t found much on google if not examples that refer to programming knowledge that I don’t have. I deduce that woocommerce is in conflict and I thought the cause was the recent update from php7.2 to php7.3. I have tried all the versions, at the moment the site is with php7.0 and the error persists. My VPS is a CX10 with debian stretch, apache2.4, php7.0 as just mentioned. Help ! Have a nice day ! * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fwoocommerce-plugin-causes-redirect-loop%2F%3Foutput_format%3Dmd&locale=en_US) to see the link]_ Viewing 15 replies - 1 through 15 (of 16 total) 1 [2](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/page/2/?output_format=md) [→](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/page/2/?output_format=md) * [autotutorial](https://wordpress.org/support/users/autotutorial/) * (@autotutorial) * [7 years ago](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/#post-11544684) * Must use the WooCommerce plugin [https://wordpress.org/plugins/woocommerce/](https://wordpress.org/plugins/woocommerce/) and plugin WooCommerce PayPal Checkout Payment Gateway [https://wordpress.org/plugins/woocommerce-gateway-paypal-express-checkout/](https://wordpress.org/plugins/woocommerce-gateway-paypal-express-checkout/) the function exists in the WooCommerce plugin [https://plugins.trac.wordpress.org/browser/woocommerce/trunk/includes/wc-core-functions.php#L316](https://plugins.trac.wordpress.org/browser/woocommerce/trunk/includes/wc-core-functions.php#L316) But I’m not entirely sure so expect an answer from the expert. * Plugin Support [Hannah S.L.](https://wordpress.org/support/users/fernashes/) * (@fernashes) * Automattic Happiness Engineer * [7 years ago](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/#post-11545679) * Hey there, * This does look like it could be a must-use issue. If you don’t have WooCommerce activated, these plugins have nothing to work with. * If you are using WooCommerce, I’d recommend enabling the WooCommerce plugin. If you aren’t, then you should delete the non-Woo plugins like PayPal Express Checkout. * Please do let us know how that goes! * Thread Starter [Gab](https://wordpress.org/support/users/gabrix73/) * (@gabrix73) * [7 years ago](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/#post-11545887) * I have uninstalled/removed all the klarna* packages and the issue still persists. My klarna* packages utilization was limited to klarna-onsite-messaging-for-woocommerce and a klarna-checkout-something … i have both removed from long time. I have installed my woocommerce plugin from whithin wordpress cms. When i enable woocommerce the infinite redirect loop starts … Have a good day 🙂 * Gab - This reply was modified 7 years ago by [Gab](https://wordpress.org/support/users/gabrix73/). * Plugin Support [Hannah S.L.](https://wordpress.org/support/users/fernashes/) * (@fernashes) * Automattic Happiness Engineer * [7 years ago](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/#post-11545900) * Hey there, * I’d like to know more about your site. Could you please share a copy of your site’s System Status? You can find it via WooCommerce > Status. Select “Get system report” and then “Copy for support”.  Once you’ve done that, paste it here in your response. * Thanks! * Thread Starter [Gab](https://wordpress.org/support/users/gabrix73/) * (@gabrix73) * [7 years ago](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/#post-11545944) * No ! I have installed woocommerce version [@autotutorial](https://wordpress.org/support/users/autotutorial/) pointed out and my shop is still closed … i will give all necessary infos to get over this issue. I’m looking for woocommerce alternatives by the way, i’m on a hurry and i don’t understand why it’s happening to me … * Gab - This reply was modified 7 years ago by [Gab](https://wordpress.org/support/users/gabrix73/). * Thread Starter [Gab](https://wordpress.org/support/users/gabrix73/) * (@gabrix73) * [7 years ago](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/#post-11545958) * [@fernashes](https://wordpress.org/support/users/fernashes/) * ``` ### WordPress Environment ### WordPress address (URL): https://www.klanmuziklab.com Site address (URL): https://www.klanmuziklab.com WC Version: 3.6.3 Log Directory Writable: ✔ WP Version: 5.2 WP Multisite: – WP Memory Limit: 512 MB WP Debug Mode: – WP Cron: ✔ Language: it_IT External object cache: – ### Server Environment ### Server Info: Apache PHP Version: 7.0.33-7+0~20190503101027.13+stretch~1.gbp26f991 - Consigliamo di usare PHP versione 7.2 o superiore per prestazioni e sicurezza maggiori. 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– 1.20.0 WooCommerce: by Automattic – 3.6.3 Yoast SEO: by Team Yoast – 11.2.1 – Non testato con la versione attiva di WooCommerce WP Mail SMTP Plugin by Mail Bank: by Tech Banker – 4.0.6 WPForms Lite: by WPForms – 1.5.2.3 ### Inactive Plugins (0) ### ### Must Use Plugins (5) ### aaa-wp-cerber.php: by Gregory – 1.0 Health Check Troubleshooting Mode: by – 1.5.1 My Customizations: by Your Name – SecuPress COOKIEHASH: by – 1.0 SecuPress Salt Keys: by – 1.0.1 ### Settings ### API Enabled: – Force SSL: – Currency: EUR (€) Currency Position: left Thousand Separator: , Decimal Separator: . Number of Decimals: 2 Taxonomies: Product Types: external (external) grouped (grouped) simple (simple) variable (variable) Taxonomies: Product Visibility: exclude-from-catalog (exclude-from-catalog) exclude-from-search (exclude-from-search) featured (featured) outofstock (outofstock) rated-1 (rated-1) rated-2 (rated-2) rated-3 (rated-3) rated-4 (rated-4) rated-5 (rated-5) Connected to WooCommerce.com: ✔ ### WC Pages ### Shop base: #127 - /shop/ Carrello: #466 - /cart/ Cassa: #467 - /checkout/ Il mio account: #468 - /my-account/ Termini e condizioni: ❌ La pagina non è impostata ### Theme ### Name: Twenty Seventeen Version: 2.2 Author URL: https://wordpress.org/ Child Theme: ❌ – Se stai modificando WooCommerce o un tema genitore che non hai costruito personalmente ti consigliamo di utilizzare un tema child. Vedi: Come creare un tema child WooCommerce Support: ✔ ### Templates ### Overrides: – ### Action Scheduler ### Complete: 16 Oldest: 2019-04-17 18:39:45 +0200 Newest: 2019-05-17 12:14:22 +0200 Pending: 1 Oldest: 2019-05-24 12:14:22 +0200 Newest: 2019-05-24 12:14:22 +0200 Canceled: 0 Oldest: – Newest: – In-progress: 0 Oldest: – Newest: – Failed: 0 Oldest: – Newest: – ``` * [autotutorial](https://wordpress.org/support/users/autotutorial/) * (@autotutorial) * [6 years, 12 months ago](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/#post-11546450) * Have you declared two different errors confirming that if you install WooCoomerce plugin [https://wordpress.org/plugins/woocommerce/](https://wordpress.org/plugins/woocommerce/) and plugin WooCommerce PayPal Checkout Payment Gateway [https://wordpress.org/plugins/woocommerce-gateway-paypal-express-checkout/](https://wordpress.org/plugins/woocommerce-gateway-paypal-express-checkout/) these errors no longer appear? `Fatal error: Uncaught Error: Call to undefined function get_woocommerce_currency() in /var/www/newkml/wordpress/wp-content/plugins/ woocommerce-gateway-paypal-express-checkout/includes/class-wc-gateway-ppec-settings. php:293 Stack trace: #0 /var/www/newkml/wordpress/wp-content/plugins/woocommerce- gateway-paypal-express-checkout/includes/class-wc-gateway-ppec-plugin.php(354): WC_Gateway_PPEC_Settings->currency_has_decimal_restriction() #1 /var/www/newkml/ wordpress/wp-includes/class-wp-hook.php(286): WC_Gateway_PPEC_Plugin->activate('')# 2 /var/www/newkml/wordpress/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters('', Array) #3 /var/www/newkml/wordpress/wp-includes/plugin.php(465): WP_Hook->do_action( Array) #4 /var/www/newkml/wordpress/wp-admin/plugins.php(177): do_action('activate_woocom...')# 5 {main} thrown in /var/www/newkml/wordpress/wp-content/plugins/woocommerce-gateway- paypal-express-checkout/includes/class-wc-gateway-ppec-settings.php on line 293` * the WooCommerce plugin runs all other WooCommerce support families * > Klarna On-Site Messaging for WooCommerce plugin > Requires either Klarna Checkout > for WooCommerce or Klarna Payments for WooCommerce to be installed. * the second error you posted refers to a function that exists only with the active WooCoomerce plugin and I say maybe there’s some permission error. * `[Fri May 17 12:22:01.189191 2019] [php7:error] [pid 13144] [client 95.216.136.47: 43558] PHP Fatal error: Uncaught Error: Call to undefined function wc_get_base_location() in /var/www/newkml/wordpress/wp-content/plugins/klarna-onsite-messaging-for-woocommerce/ klarna-onsite-messaging-for-woocommerce.php:156\nStack trace:\n#0` [https://plugins.trac.wordpress.org/browser/woocommerce/trunk/includes/wc-core-functions.php#L1100](https://plugins.trac.wordpress.org/browser/woocommerce/trunk/includes/wc-core-functions.php#L1100) I’m sorry for your problem and I really want to help you but I can only to advise backup [https://codex.wordpress.org/WordPress_Backups](https://codex.wordpress.org/WordPress_Backups), to empty the cache hosting, cache plugins, CDN cache, browser cache. My intervention is not to be understood as the solution to its problem that will be solved by WooCommerce experts, we are just chatting and I hope without offending it 🙂 - This reply was modified 6 years, 12 months ago by [autotutorial](https://wordpress.org/support/users/autotutorial/). * Thread Starter [Gab](https://wordpress.org/support/users/gabrix73/) * (@gabrix73) * [6 years, 12 months ago](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/#post-11546559) * > My intervention is not to be understood as the solution to its problem that > will be solved by WooCommerce experts, we are just chatting and I hope without > offending it * [@autotutorial](https://wordpress.org/support/users/autotutorial/) it looks like i’m paniking … and i am … sorry! It’s a production environment… - This reply was modified 6 years, 12 months ago by [Gab](https://wordpress.org/support/users/gabrix73/). - This reply was modified 6 years, 12 months ago by [Gab](https://wordpress.org/support/users/gabrix73/). * Thread Starter [Gab](https://wordpress.org/support/users/gabrix73/) * (@gabrix73) * [6 years, 12 months ago](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/#post-11547952) * [@fernashes](https://wordpress.org/support/users/fernashes/) in addition to the information given in the previous post there is to add that for my site I used javascript optimization plugins that could have and have often partialized the visualization of the site, blocking elements. Other factors that can cause the redirect loop can be the mod-rewrite apache plugin: * ``` RewriteEngine On RewriteCond %{HTTPS} off [OR] RewriteCond %{HTTP_HOST} !^www\. [NC] RewriteCond %{HTTP_HOST} ^(?:www\.)?(.+)$ [NC] RewriteCond %{REQUEST_URI} !^/\.well-known/acme-challenge/.* RewriteRule ^(.*)$ https://www.klanmuziklab.com/$1 [R=301,L] ``` * This in 000-default virtualhost. Next one is .htaccess with defaults wordpress values: * ``` RewriteEngine On RewriteBase / RewriteRule ^index\.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] ``` * I tried setting http header content-security-plocy and content-referer with no success. Many parts of the site were not loaded so I left. I show you how I configured the http headers: * ``` Header set X-Content-Type-Options: "nosniff" Header set X-Frame-Options: "sameorigin" # Instructs browsers to enable their browser side Cross-Site-Scripting filter. Header set X-XSS-Protection: "1; mode=block" # HSTS Header set Strict-Transport-Security "max-age=15552000; includeSubDomains; preload" # Content Security Policy Header unset Content-Security-Policy Header unset Referrer-Policy # Secure Cookies Header edit Set-Cookie ^(.*)$ $1;HttpOnly;Secure ``` * [autotutorial](https://wordpress.org/support/users/autotutorial/) * (@autotutorial) * [6 years, 12 months ago](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/#post-11548581) * Good evening, I’m sorry you haven’t solved yet. I kindly ask you to ask your host to check for php errors, if there is any firewall, if CDN, https is also CDN? in case of problems must paste the error text so that we can identify the real problem. * You uses the NinjaFirewall plugin, * In the case it has a CDN (it can also be its https) I propose you how to create a script for the NinjaFirewall. First of all it must not connect by proxy or use compression from its broweser (this also uses proxy) create a test.php file * ``` Advance Policies può impostare CSP, HSTS e altro, se usa il file .htninja verrà eseguito prima che le richieste arrivino a WordPress. puoi ottenere maggior supporto [https://wordpress.org/support/plugin/ninjafirewall/](https://wordpress.org/support/plugin/ninjafirewall/) per i problemi dovuti a NinjaFirewall altresì controlli il log situato /wp-content/ nfwlog/ per conoscere se le richieste sono bloccate dal proprio firewall. * Thread Starter [Gab](https://wordpress.org/support/users/gabrix73/) * (@gabrix73) * [6 years, 12 months ago](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/#post-11551010) * I solved. By pure chance, reading the pagespeed module configuration, being involved in improving the site speed, I read that mod_pagespeed with apache2.4 could cause problems. I then disabled it and the redirect loop has ceased. End of a nightmare 🙂 Thank you and good day * Plugin Support [Hannah S.L.](https://wordpress.org/support/users/fernashes/) * (@fernashes) * Automattic Happiness Engineer * [6 years, 12 months ago](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/#post-11554219) * Oh, phew – I’m so glad to hear you solved it! Thanks for letting us know, and thanks for letting us know what the solution was in your case. Viewing 15 replies - 1 through 15 (of 16 total) 1 [2](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/page/2/?output_format=md) [→](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/page/2/?output_format=md) The topic ‘woocommerce plugin causes redirect loop’ is closed to new replies. * ![](https://ps.w.org/woocommerce/assets/icon.svg?rev=3234504) * [WooCommerce](https://wordpress.org/plugins/woocommerce/) * [Frequently Asked Questions](https://wordpress.org/plugins/woocommerce/#faq) * [Support Threads](https://wordpress.org/support/plugin/woocommerce/) * [Active Topics](https://wordpress.org/support/plugin/woocommerce/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/woocommerce/unresolved/) * [Reviews](https://wordpress.org/support/plugin/woocommerce/reviews/) * 16 replies * 4 participants * Last reply from: [sharkbait2015](https://wordpress.org/support/users/sharkbait2015/) * Last activity: [6 years, 10 months ago](https://wordpress.org/support/topic/woocommerce-plugin-causes-redirect-loop/page/2/#post-11746713) * Status: resolved