Post by ofzswi » Fri Mar 19, 2021 3:15 pm

This is a known Problem but maybe still not fixed. We're using OC 3.0.3.7 and installed this Fix:
viewtopic.php?f=201&t=210026#p749172
viewtopic.php?f=201&t=207498#p737430

Add in system/framework.php

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$response->addHeader('Expires: Thu, 19 Nov 1981 08:52:00 GMT');
$response->addHeader('Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0');
$response->addHeader('Pragma: no-cache');
After:

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$response->addHeader('Content-Type: text/html; charset=utf-8');
But this doesn't help. Bug still exists on almost every Browser (Desktop, Phone (Samsung Internet), IE, Chrome).

If refresh the Browser then again (F5 as ex.) the Cart in Header is then Updated. It is very confusing for the Customer.

Can anyone help with this?

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Post by sw!tch » Fri Mar 19, 2021 3:21 pm

Link to site? Whats your .htaccess look like?

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Post by ofzswi » Fri Mar 19, 2021 6:18 pm

sw!tch wrote:
Fri Mar 19, 2021 3:21 pm
Link to site? Whats your .htaccess look like?
Why is Link needed? The Default Bug without the Fix can be also reproduced here (http://demo.opencart.com/). At least may all 3+ Versions.

The Fix doesn't work for OC 3.0.3.7.

.htaccess looks like:

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# 1.To use URL Alias you need to be running apache with mod_rewrite enabled.

# 2. In your opencart directory rename htaccess.txt to .htaccess.

# For any support issues please visit: http://www.opencart.com

Options +FollowSymlinks

# Prevent Directoy listing
Options -Indexes

# Prevent Direct Access to files
<FilesMatch "(?i)((\.tpl|.twig|\.ini|\.log|(?<!robots)\.txt))">
 Require all denied
## For apache 2.2 and older, replace "Require all denied" with these two lines :
# Order deny,allow
# Deny from all
</FilesMatch>

# SEO URL Settings
RewriteEngine On
# If your opencart installation does not run on the main web folder make sure you folder it does run in ie. / becomes /shop/

RewriteBase /
RewriteRule ^sitemap.xml$ index.php?route=extension/feed/google_sitemap [L]
RewriteRule ^googlebase.xml$ index.php?route=extension/feed/google_base [L]
RewriteRule ^system/storage/(.*) index.php?route=error/not_found [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} !.*\.(ico|gif|jpg|jpeg|png|js|css)
RewriteRule ^([^?]*) index.php?_route_=$1 [L,QSA]

### Additional Settings that may need to be enabled for some servers
### Uncomment the commands by removing the # sign in front of it.
### If you get an "Internal Server Error 500" after enabling any of the following settings, restore the # as this means your host doesn't allow that.

# 1. If your cart only allows you to add one item at a time, it is possible register_globals is on. This may work to disable it:
# php_flag register_globals off

# 2. If your cart has magic quotes enabled, This may work to disable it:
# php_flag magic_quotes_gpc Off

# 3. Set max upload file size. Most hosts will limit this and not allow it to be overridden but you can try
# php_value upload_max_filesize 999M

# 4. set max post size. uncomment this line if you have a lot of product options or are getting errors where forms are not saving all fields
# php_value post_max_size 999M

# 5. set max time script can take. uncomment this line if you have a lot of product options or are getting errors where forms are not saving all fields
# php_value max_execution_time 200

# 6. set max time for input to be recieved. Uncomment this line if you have a lot of product options or are getting errors where forms are not saving all fields
# php_value max_input_time 200

# 7. disable open_basedir limitations
# php_admin_value open_basedir none

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Post by ADD Creative » Fri Mar 19, 2021 10:40 pm

ofzswi wrote:
Fri Mar 19, 2021 6:18 pm
Why is Link needed? The Default Bug without the Fix can be also reproduced here (http://demo.opencart.com/). At least may all 3+ Versions.

The Fix doesn't work for OC 3.0.3.7.
Fix does work for 3.0.3.7. Post you site link here or at lease post your response headers from your home page (you can find them in your web browser's developer tool network tab. Then other can check them to tell you if your headers are correct.

www.add-creative.co.uk


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