Exceptions thrown when linking sig-poly methods and indy

[dean.long at oracle.com]

On 8/24/16 10:18 AM, John Rose wrote:

> On Aug 24, 2016, at 10:04 AM, Paul Sandoz <paul.sandoz at oracle.com> wrote:
>> So we are talking about this kind of catch and re-throw pattern:
>>
>>   try {
>>     x();
>>   } catch (Throwable t) {
>>       if (t instanceof Error) {
>>           // Pass through any Error
>>           throw (Error) t;
>>       }
>>       // Wrap any Throwable that is not a subclass of Error
>>       throw new LinkageError(t.getMessage(), t);
>>   }
> Yes.
>
> System-level methods should have "throws Throwable", in which
> case this equivalent formulation is slightly more future-proof IMO:
>
>   try {
>     x();
>   } catch (Throwable t) {
>       if (!(t instanceof Exception)) {
>           // Pass through any Error (or other non-Exception if such a thing exists)
>           throw t;
>       }
>       // Wrap any Throwable that is not a subclass of Error
>       throw new LinkageError(t.getMessage(), t);
>   }
>
Related to this, I always thought that java.lang.reflect.Method.invoke 
should do something similar when wrapping with 
InvocationTargetException.  Does anyone think the Method.invoke spec or 
behavior also needs clarification?

dl