Hi Jan, i'm not going into details of your solution but interceptors are a way better tool for that job, search the list for authentication subjects. You can also use libraries like acegi or similiar.
Best greetings, Pawel Wielgus. 2009/6/22, Jan T. Kim <j....@uea.ac.uk>: > Dear All, > > I'm trying to use exceptions to make sure a user is logged in, using > struts 2.1.6. My idea is > > * a subclass of ActionSupport that checks that a user is logged > in, and throws a NotLoggedInException if that's not the case > > * all other action handlers are subclasses of that subclass > > * use a global exception mapping to map the NotLoggedInException > to a suitable login action > > I can't seem to get this to work, I get a 500 response with a stack > trace, saying "Unable to instantiate Action". If I arrange for the > constructor to complete without an exception and for the execute() > method to throw a NotLoggedInException, I get to the login action as > I intend. > > So it seems that only exceptions thrown by execute(), but not those > thrown by constructors, are handled as specified by the exception > mappings (at least the global ones) -- is that right? And if so, why > is that? > > Or do you thing I've just made some silly mistake here? > > Best regards, Jan > -- > +- Jan T. Kim -------------------------------------------------------+ > | email: j....@uea.ac.uk | > | WWW: http://www.cmp.uea.ac.uk/people/jtk | > *-----=< hierarchical systems are for files, not for humans >=-----* > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@struts.apache.org > For additional commands, e-mail: user-h...@struts.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@struts.apache.org For additional commands, e-mail: user-h...@struts.apache.org
