If you are running joomla 1.5 or 1.7 with caching turned on, you might have seen that sometimes system messages are getting cached and are shown every time you access some page.
It can even happen that users see messages of other users.
Anyway, I came up with a solution for that.
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While working with joomla sites, it is important to have SEF URLs instead of regular old-style urls like /index.php?option=com_content&view=article&id=12&Itemid=8 because it is so much important for website search engine rankings. But when you see SEF URL in address bar, sometimes it is hard to say what article id or menu id or even component it [...]