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  2. RPG400-L
  3. July 2015

Re: How defensively should you code your procedures?

On 7/17/2015 7:21 AM, Wilson, Jonathan wrote:

(I personally like/prefer the idea of messages over return codes, there
is always the possibility of someone not testing a return code where as
an exception is so in your face it can't be missed and if not dealt with
by the coder will not be missed by the user!

I agree 100% with this. One of the great features of our system is that it's exception-based (in general, at least), and that information about exceptions goes by default to the joblog which helps a lot with debugging.

I wrote a blog about your exact design issue a few years ago.
https://www.ibm.com/developerworks/community/blogs/b542d3ac-0785-4b6f-8e53-f72051460822/entry/return_code_or_exception


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