----- Original Message -----
From: "Jason Carreira" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, October 16, 2003 5:16 PM
Subject: RE: [OS-webwork] XWorkException extending RuntimeException
> The point of this is that where the exceptions are generated and where
> we would want to handle them is so far apart that we'd end up adding
> "throws XWorkException" to EVERYTHING and it would be pretty
> meaningless.
That's not exactly my point. My point is that XWorkException from the main
XWork package seems to be likely taken as a common root for all XWork
exceptions. It's simply wrong to assume that all XWork's exceptional
situations that my appear would be handled behinde scenes.
I've once pointed that it's a common for XWork/Webwork that
RuntimeExceptions are abused. RuntimeExceptions are a great deal of problems
with debugging software. I experienced that problems. The first problems I
discovered with XWork/Webwork was related to things going behind the scenes.
Also - it was related to the fact that XWork's softens programming contracts
by adding "throws Exception" to everything. I experienced things that where
hard to debug becouse sometimes XW even ate exceptions ( there are empty
catch(OgnlException){} blocks).
Can we agree that it's one of the most useful part of exceptions that they
are designed to make programmers aware of all the issues they have to deal
with in any specific part of they programs. And you now what's my eclipse's
the most favourite feature is? It's that immediately after I type some code
I see what problems I have to deal with.
To clarify: I of course understand that many of those problems are not
elegantly solved cause Ognl is not elegant internally. If Ognl contracted
some kind of ParseException inside it's guts, you would rather use it
instead of developing parallel solution. Then you would just decide what to
do with OgnlExceptions at the top.
> In general I'm not a fan of checked exceptions for unrecoverable
> situations.
Howcome you classified TypeConversionException to be unrecoverable
situation? :-)
Regards,
-- Mike
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