Why does RewriteRule not work in Joomla + Virtuemart?

Question

Joomla

Strange behavior: we changed aliases for virtuemart categories, rewrote htaccess to redirect to new addresses, but this does not happen.

Here is an example old address:
https://www.etalon-tara.ru/catalogue/yomkosti_dlya...

new address:
https://www.etalon-tara.ru/catalogue/yomkosti-dlya...

Both work like not strange.
Here are the rules in htaccess:

RewriteRule ^vyedra_i_kanistry/(.*)/$ /vyedra-i-kanistry/$1/ [R=301,NC,L]
RewriteRule ^yemkosti_dlya_vody/(.*)/$ /yemkosti-dlya-vody/$1/ [R=301,NC,L]
RewriteRule ^yomkosti_dlya_musora/(.*)$ /yomkosti-dlya-musora/$1 [R=301,NC,L]

Stock SEF and CNC included.
More special means to manage addresses are not used.
The redirect plugin is disabled.

What have I done wrong?

At the same time, the modified section itself does not open, but redirection does not occur either:
https://www.etalon-tara.ru/catalogue/yomkosti_dlya...

It seems that Virtuemart interferes with the processing of addresses and tries to "please" by finding nested goods and categories.

Answer 1

There is an opinion that Virtuemart interferes with the processing of addresses

Absolutely fair opinion)
In the VM configuration, look at the setting "Enable VirtueMart handling of 404 errors" (Settings - Store tab). Try to turn it off and check your tests ;)