Thanks Phillip, That give me some good ideas to start with! --- Phillip Morelock <[EMAIL PROTECTED]> wrote: > generally you should be using as few exceptions as possible...because they > are very expensive. > > But if the API's you are using throw exceptions, and such, you should > definitely catch them at the bean level, and return negative or false values > to the jsp or whatever, and just use simple conditionals to test them. > Although, for particular exceptions, you might have specific conditions that > cause those, in which case you'll want to use error-page directives (like > SQL Exceptions if your database connection is lost, etc.). > > Other people here can tell you perhaps how to make a particular error page > come out of particular errors...but that, you might have to do at the JSP > level, anyhow, in your case. > > I personally find JSP inappropriate for complex error-handling and such (you > can do it, but damn it's ugly). That's why you might want to look into the > MVC / "Model 2" type architecture, where you use servlets to handle complex > server-side code, and just use JSP for display. This is another step in the > "fu" of java server coding, but it's made my life a lot easier since I just > went for it. In a servlet, it's pure code, so you can just concentrate on > all your various error / invalid conditions, and handle them appropriately > by forwarding to different JSP's for display, etc. JSP's are really married > to the way they look, and it's a lot harder to write a bunch of code in > there that's very flexible or extensible. > > It looks like this: user sends a request (maybe with some form data) --> > servlet processes it, scrubs everything, makes sure everything's cool --> > forwards to a JSP for display -- can be different jsp's depending on your > error conditions, etc. > > My 2 cents. > > fillup > > > On 5/17/02 10:47 AM, "Adam Pfeiffer" <[EMAIL PROTECTED]> wrote: > > > Does anyone know where I can find a good doc on how to handle exception with > > JSP and beans. I > > would really like the bean to trap all the errors and set the messages and > > send those back to the > > jsp. I am not sure how to do this. I am still new with catching exceptions, > > so if my question > > doesn't make sense, I apologize in advance. > > > > > > > > __________________________________________________ > > Do You Yahoo!? > > LAUNCH - Your Yahoo! Music Experience > > http://launch.yahoo.com > > > > -- > > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> > > > > > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> >
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