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https://issues.apache.org/jira/browse/MATH-425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12931390#action_12931390
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Luc Maisonobe commented on MATH-425:
------------------------------------

I don't agree.
Of course, if as in your example using this to wrap an IllegalArgumentException 
is not really useful. But when users wrap more business-oriented exceptions in 
these, they feel these exceptions useful and these exceptions do provide as 
many information as the user as put in, which can be plenty.
You are right in the fact they belong to the same category as 
FunctionEvaluationException. We should perhaps have all these exception extend 
some UserException class to make this more clear.

> New exceptions to replace those in package "linear"
> ---------------------------------------------------
>
>                 Key: MATH-425
>                 URL: https://issues.apache.org/jira/browse/MATH-425
>             Project: Commons Math
>          Issue Type: Improvement
>            Reporter: Gilles
>            Assignee: Gilles
>            Priority: Minor
>             Fix For: 3.0
>
>
> This issue is about removing the current set of exceptions located in the 
> package {{linear}}. The new exceptions must be located in package 
> {{exception}}.

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