RFR(XXS): 8156226: DiagnosticCommandImpl::invoke throws NoSuchMethodException even if the method actually exists but parameters are wrong

[Mandy Chung]

> On Jun 8, 2016, at 11:26 AM, Kirill Zhaldybin <kirill.zhaldybin at oracle.com> wrote:
> 
> Dear all,
> 
> After discussion with Mandy Chung, Daniel Fuchs and Frederic Parain we decided to provide separate error message for the case if method exists but signature or parametes are wrong but throw the same NoSuchMethodError exception.
> 
> Could you please review this fix for 8156226?
> 
> New WebRev: http://cr.openjdk.java.net/~kzhaldyb/webrevs/JDK-8156226/webrev.04/

This looks okay.  It’d be useful for the case line 269 to include the signature as well.

Mandy