"grdzeli_kaci" wrote : this is not cause of this problem. If "this" refers to explanation of the Java OR then: no, just like I wrote, that was just for your information... "grdzeli_kaci" wrote : public boolean authenticate() { | return true; | } | but it does not work ...well, does this give you the very same error? If so, then again: aren't there some nested exceptions that tell you a bit more? In your first post you only showed the "Could not create Component: authenticator" but often the rest of the error message gives some more clues about what's causing the error? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4029264#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...