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Questions tagged [cache]

Use this tag when dealing with data that is being cached.

5
votes
6answers
1k views

How to force cache/browser data clearing in browser?

Scenario: I have upgraded an old Joomla! website from 2.5 to the latest version of Joomla!. After doing so the site from my point of view looks as it should. If I try to access the site from another ...
0
votes
1answer
243 views

Can't clear a cache of Joomla module

I created some Joomla module for my client and he installed it in his backend. After a while I made some edits in the module and my client reinstalled it but my edits don't apply on his website (...
4
votes
1answer
142 views

Site keeps browsing itself all the time

I run the server where this Joomla! site is hosted, so I have root access to it. There is something in the configuration, or somewhere in its code, that keeps browsing the site itself. If I run # ...
2
votes
2answers
61 views

Disabling cache on specific part of page from above comment

I am facing a problem in part of page of an extension on comments When cache is enabled, there is some json token error due to cache When cache is disabled, the user can easily post in comment Is ...
1
vote
1answer
32 views

Can I set the directory that Joomla cache will store data in for my module?

Joomla has a nice "Clear Cache" page that lists cached content and lets you delete it. I'd like to allow cached content from my module to be deleted from there. I'm using Joomla's built-in cache ...
1
vote
0answers
31 views

Caching a page separately for users and guests?

I've written a custom component and I'm trying to improve its performance by including Joomla's caching. One view has additional detail which is only included for logged in users. I've been ...
0
votes
2answers
1k views

Joomla 3.7 404 Component Not Found

I've just upgraded to Joomla 3.7 (from 3.5) and now I'm encountering issues after installing extensions & components. I receive a 404 Component not found error. I've tried with various extensions ...
3
votes
1answer
61 views

Caching items with different cache lifetime

I'm looking into using Joomla's caching mechanism for a plugin. However I would need to cache the plugin data for a given period of time irrespective of the site-wide cache settings. Is it possible ...
4
votes
2answers
191 views

Website speed is awful

I work as an apprentice web developer who has been left in charge of the web team (all of my colleagues have left) and have been left with an impossible task. We have a 10-core Windows server, with ...
2
votes
6answers
5k views

Changes on a joomla site do not reflect on the front end

I got a a joomla-powered site. Recently I added an article to the back end, published it but it does not show up on the front end of the website. I went further to 'unpublish' some of the articles ...
0
votes
1answer
84 views

How to purge (clear) all cache files in Joomla 2.5?

Documentation provides code for clearing expired cache (https://docs.joomla.org/Purging_expired_cache_files): <?php /** * @package Joomla.Cli * * @copyright Copyright (C) 2005 - 2013 Open ...
5
votes
2answers
680 views

Rapid Ajax calls causing some MySQL queries to be ignored

I am currently working on a Joomla website on a Unix server. There are no users connected at the moment because I'm the only one who can access it (so no heavy traffic). During testing, I proceed to ...
2
votes
1answer
161 views

class 'JCache' does not have a method 'cleanCache'

According to https://docs.joomla.org/Using_caching_to_speed_up_your_code ,I must use $cache->cleanCache(); if I want to clear the joomla cache in my custom script. That function throws the error "...
6
votes
1answer
235 views

Persistent problem with Joomla cache

I have a Joomla site which has had persistent on-going problems with its cache. We are able to resolve these problems as they happen by going to the admin panel and clearing the caches, but would ...
1
vote
2answers
149 views

Having to clear the cache even though caching is turned off?

On on of the Joomla sites I manage, the Cache Settings in Global Configuration -> System is set to OFF - Caching is disabled. However, when we make changes to the articles, it is necessary to go to ...
7
votes
3answers
2k views

CSS Change won't apply - Where could the cache be?

I've encountered a strange problem that I've never seen before. I edited a CSS file and uploaded it to my server. From my hosting's file manager, I can see the file is updated. But in my local ...
8
votes
0answers
387 views

Reverse Caching Support using nginx

How can I implement Reverse Caching Support using nginx mentioned in Joomla 3.6 features? Joomla! 3.6 now supports reverse caching proxies like Varnish or an NGINX caching proxy. These help to ...
1
vote
2answers
199 views

Cant edit my module, blank page with a input select

This is probably a difficult question because i can't give you a lot of information. When i open the edit screen in the adminside of a module it's being shown for a split second and the the page ...
1
vote
0answers
127 views

Setting: Session lifetime and Cache time

Joomla 3.7.5 The default values of both are 15 minutes, which means I have to re-login very often. So I always change it to 60. But I have been aware since long time ago, that when they are set to 60,...
1
vote
0answers
20 views

JToolbarHelper contents disappearing when cache is enabled

I've setup my custom component using JToolbarHelper for navigation, following the standard set by base Joomla components. Each view contains some variation of the following: JToolbarHelper::title(...
1
vote
1answer
436 views

Joomla 3.7.5 Disable Redis Cache

after updating the Joomla site (hosted on a server with php set to 7.0.18) from version 3.7.4 to version 3.7.5, I found the Radis cache set. I can not disable cache from global configuration, and any ...
3
votes
1answer
61 views

Component getList cache not loading/saving

I've built a custom component, and I'm trying to make it a bit faster, and while I was rooting through model core files I saw that their getItems() uses a caching to reduce DB queries: $store = $this-...
1
vote
3answers
1k views

Joomla cache handler only shows memcached

My cache handler in Joomla! only shows 'memcached (experimental)', and not File etc. I was able to change the cache handler in my configuration.php but I'd still like to know why File is not shown as ...
1
vote
2answers
428 views

Is there a way to clear the cache in the administration?

I made a change to an admin component, but it's not reflected immediately. Is there a way to make the admin cache refresh? I know with modules you can set cache to none, but this is a component so I ...
2
votes
2answers
3k views

What is the Refresh Manifest Cache and why is it causing an error when upgrading Joomla?

When manually upgrading Joomla through the extensions manager, I get the following error: 500 error Installation unexpectedly terminated:Refresh Manifest Cache failed: Extension is not ...
2
votes
0answers
41 views

Change ZOO cache update frequency

Is there a way to modify the interval that the zoo cache updates thumbnails? OR disable it entirely? I have been sorting through the code and haven't found anyway yet. The problem I am running into ...
2
votes
1answer
101 views

Custom cache for module

I've made a module that needs to cache its output by country, or not at all. I've found this post which describes how to do it with a component, but how would you do it with modules? To turn off ...
1
vote
2answers
308 views

Permission error after updating plugin

I have installed a plugin "Script Merge" after I edit the configuration for the plugin Joomla throws the following error: You are not permitted to use that link to directly access that page (#820). ...
16
votes
9answers
10k views

How to improve server response time?

What can I do, other than using a cache plugin like jotcache, to improve the server response time of my website? I have already removed all inactive articles modules, plugins and components, is there ...
1
vote
2answers
1k views

Joomla Template - site design not updating

I am new to using Joomla, I have a temporary hosting account on Demojoomla. I have installed a template called Helix When I go to Extensions > Templates > Styles I can click on my template and ...
1
vote
0answers
35 views

How does com_contact caching work when it has a form token?

I've been looking into conservative caching recently and felt I'd got my head around it. However, when I added it to a site, I was surprised to see that the core component com_content caches forms. ...
4
votes
1answer
70 views

Caching a component's view for less than a minute

I have a component which has a feed. This feed updates constantly, pulling information from external sources. To reduce pressure on my server at high traffic periods, I want to give the generated feed ...
0
votes
2answers
2k views

Error displaying the error page: The file Cache Storage is not supported on this platform.: The file Cache Storage is not supported on this platform

I have installed Joomla 3.6 in ubuntu 16.4. but after installation of Joomla, I see the following error: Error displaying the error page: The file Cache Storage is not supported on this platform.: ...
0
votes
0answers
31 views

Some pages are randomly served as XML/feed and not as HTML

I'm having this random issue: In some pages (not always the same, and without a readable pattern), the pages are served as XML/feed and not as HTML. What I've found out is that the correct <meta ...
0
votes
1answer
1k views

HTTP ERROR 500 when loading com_cache

Recently, my joomla's website has been showing 500 server error every time I open the cache manager as described below: In Browser's Console: Failed to load resource: the server responded with a ...
3
votes
2answers
196 views

ZOO Cache extremely big - 170 GB and growing!

I have set up a site for a customer. The site uses both Zoo and Widgetkit, many products, services and news pages have some Widgetkit slideshow in them. There are "quite a few" pages and images.......
1
vote
1answer
376 views

Why do I have to clear browser cache to see backend changes?

This question is related with Change on the back-end takes 30 mins or longer to show on front-end, what could possible be the cause? When I asked the above question I couldn't see any changes on ...
2
votes
2answers
82 views

How to make redirections cacheable in Joomla?

I am confused. To speed up page load times for visitors of your site, remove as many landing page redirections as possible, and make any required redirections cacheable if possible. Does any ...
5
votes
1answer
288 views

How do I use Joomla's built-in cache busting technique for scripts and stylesheets?

JHtml::script and JHtml::stylesheet have a cache busting technique that doesn't seem to be documented clearly. How do I go about using it?
6
votes
2answers
225 views

Updating deprecated methods

I'm updating an old bit of custom Joomla plugin, and there's a deprecated line saying JResponse::allowCache(false); -- what's the "right" way to handle this for Joomla 3.x compatibility? Also, ...
7
votes
2answers
459 views

Can't turn on cache in 3.4.4

I have a complex install of Joomla 3.4.4 with jSeblod and many other extensions. We are planning to use Varnish4 in front of the web server and because of that need to turn on proper Cache-Control ...
1
vote
2answers
709 views

Disable Gantry caching

I have a site using RocketTheme free template, and it`s using Gantry framework. Now Ι need to add a page with some PHP code, so using Sourcerer I made a simple page using com_content and including my ...
4
votes
2answers
2k views

Custom component no-cache setting

I have a custom component I've built, and it has a search filter toolbar to filter results. The problem is that when Joomla caching is turned on, the filters get cached along with the page data-- so ...
2
votes
1answer
2k views

Using Joomla with redis

I searched a lot about the subject but I didn't find any good resource, I'm new to server caching technology (redis, memcache,,,etc.) can anyone advice about good server caching and how to use it with ...
0
votes
2answers
63 views

After updating content some computers see new version but some old at the same time

I don't know why. Different browsers, computers and internet providers - some show current version of text on my page and some show old content. Site is dreamvisa.by. Version of Joomla is 2.5.27. We ...
0
votes
0answers
56 views

Joomla creates folders inside cache with 640 permission

I have Joomla! 2.5.18 and when I clean cache are either folders inside /cache newly created or overwritten with permission from 755 to 640. Why is that happening? I've checked through the files ...
3
votes
2answers
6k views

My content updates won't display instantly in the front-end. What's the reason?

I am using joomla to create my website. Everything is working well, except one problem that occurred recently. I am changing/updating content in the joomla backend and saving. But any change I do ...
0
votes
1answer
204 views

Mobile menu not working

I have got caching turned on for this website: http://storm.agency/ But I am not caching the nav module, also cleared any cache but the mobile menu is not dropping down when viewing the site on a ...
2
votes
1answer
263 views

Joomla Cache Control After User Login/Logout

If i set cache setting to Progressive or Conservative in global configuration setting page, it gives problem for users. Content that should only visible to logged in user will be shown if once ...
2
votes
1answer
1k views

Invalid Token - Login Issue

Joomla 3.4.1 I was hoping somebody could briefly explain this for me. I am not that familiar with tokens, sessions or cache. My site was working fine with no issues however I decided to enable the "...