Isn't it because code that uses the exceptions for business logic might need to rely on the original exception type?

 

E.g., the client might rely on getting specific exceptions like ...

 

try

{

    DomainModel.CreateBanana("banana name", "banana description");

}

catch(DuplicateBananaException dbne)

{

    MessageBox("There is already a banana called " + dbne.DuplicateBanana.Name);

}

 

 

From: Ayende Rahien

Sent: Saturday, January 26, 2008 11:38 PM

To: the NHibernate development list

Subject: Re: [NHibernate-development] NHibernate proxies losing exceptionstack-trace

Is there any reason to go with this approach over simply throwing a HibernateException() with this as the inner exception?

On 1/26/08, Richard Brown <fluke_fan@hotmail.com> wrote:

Hi,

 

I originally posted in the forum, and was asked to repost to the mailing list:

http://forum.hibernate.org/viewtopic.php?t=983176

 

I've attached a patch that keeps the exception stack-trace after an exception is re-thrown from a proxy.

The patch can also be downloaded from: http://freespace.virgin.net/richard.brown0308/NHibernateExceptionStack.patch

 

Could someone take a look and see if they think it is worth applying the patch to NHibernate?

Thanks,
    Richard

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