Craig, Your suggestion planted a seed with me that has grown into a perfect solution. Thanks, Frank.
----- Original Message ----- From: "Craig McClanahan" <[EMAIL PROTECTED]> To: "Struts Users Mailing List" <[EMAIL PROTECTED]> Sent: Sunday, April 18, 2004 1:42 AM Subject: Re: A better exception-handling strategy? > Frank Burns wrote: > > >I want to have a consistent display of exceptions that occur in my > >Struts-based applciation. > > > >For exceptions that occur in my Action classes, I use the declarative > >exception handling mechanism and forward to a set of "exception pages" that > >I have created. However, the declarative exception handling mechanism is > >only applicable to Action classes. > > > >My problem is that I call some JSPs that utilize beans (via JSTL) that have > >getter methods which perform database access. These getter methods can > >generate exceptions. When these exceptions occur I'd like to display one of > >the set of "exception pages" that I've created. > > > >The best solution I have thought of so far is to place JSTL "catch" tags > >into the JSPs and when they catch exceptions I use a JSTL "redirect" tag to > >redirect to one of my "exception pages". > > > >It works. But is there a better strategy than this? > > > > > You might want to experiment with the standard exception mapping > facilities that web.xml supports, for use whenever an exception ripples > all the way up to the servlet container. For example, you can deal with > any NPE that gets thrown with an entry like this: > > <error-page> > <exception-type>java.lang.NullPointerException</exception-type> > <location>/error-page.jsp</location> > </error-page> > > >Thanks, > > > >Frank > > > > > > > Craig > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
