From: "Jan E." <lists@...>
Date: 2012-09-21T06:21:07+09:00
Subject: Re: Re-throwing an exception

Hi,

While your exception code works, it's not how you should use the "raise" 
method in Ruby (you seem to be taking it from Java or so). The usual and 
sensible way is

raise YourExceptionClass, 'yourmessage'

This is less cumbersome and allows you to add additional arguments for 
the call stack.

http://ruby-doc.org/core-1.9.3/Kernel.html#method-i-raise

Apart from that, you should be very careful when rescuing Exception 
objects. That's the most basic class which includes severe system errors 
you shouldn't touch at all.

The only situation where this might make sense is if you want to catch 
all errors on the top level to execute some special code.

-- 
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