.NET exception caught is unexpectedly null

Question

See below for an explanation of what is going on

I have a really weird issue where the exception caught is null.

The code uses MEF and tries har

Answer 1

I have got the same situation, too. It happened to be a bug of Eclipse debugger. (Really, this situation can be only the result of some debugger's bug. )

Eclipse restart was enough - runtime exception becomes normal, not null. Other debuggers could be not so kind.