[nhibernate-issues] [JIRA] Created: (NH-851) More descriptive error message for 'Cannot find constructor' on projections

[NHibernate J. <mik...@us...>]

More descriptive error message for 'Cannot find constructor' on projections
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         Key: NH-851
         URL: http://jira.nhibernate.org/browse/NH-851
     Project: NHibernate
        Type: Improvement
  Components: Core  
    Reporter: Ken Egozi
    Priority: Trivial
 Attachments: DisplayParametersOnConstructorNotFound.patch

Using .NET 2.0, over SQL Server 2005

one of the latests changes (I guess) was that "select new Projection(... sum(s.Data)) ... " would assume "long" for the sum element, rather than int.
So if the projection has "int" in the constructor an exception will occur. 
However, current users gets a non informative error message.
attached here a patch that would add the expected types for the contructor's parameters, so it would be easier to fix.
I was not able to build the solution due to some local problems with nant, so it should be tested.

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