On 2013-07-05, at 11:30 AM, Ben Noordhuis <[email protected]> wrote:

> On Fri, Jul 5, 2013 at 5:18 PM, pagameba <[email protected]> wrote:

> <snip>

> That assertion you're hitting means there is an empty handle in your
> code somewhere, e.g. obj or MSError::constructor.  If the backtrace in
> gdb points to this line:
> 
>>  Handle<Object> obj = MSError::constructor->GetFunction()->NewInstance(1,
>> &ext);
> 
> Then there's a couple of things you can do.  `print
> MSError::constructor` will tell you if it's actually pointing to
> something.  If gdb prints something like `{ val_ = 0 }`, then it's
> empty.  Same for ext.

Thanks Ben, that got me pointed in the right direction.  Printing 
MSError::constructor was indeed yielding a val_ = 0x0.  Tracking this down, I 
had neglected to call MSError::Initialize from my module's Initialize method.

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