IllegalArgumentException: bad adapter (conversion=0x00000100)

[Christian Thalinger]

On Oct 13, 2010, at 1:56 PM, Rémi Forax wrote:

> Le 13/10/2010 13:33, Christian Thalinger a écrit :
>> I'm trying to do a conversion in a testcase for a feature I'm working
>> on:
>>
>>   MethodHandle mh1 = MethodHandles.lookup().findStatic(CLASS, "i2b",
>> MethodType.methodType(byte.class, int.class));
>>   MethodHandle mh2 = MethodHandles.convertArguments(mh1,
>> MethodType.methodType(byte.class, byte.class));
>>
>> But it fails with this exception:
>>
>> Exception in thread "main" java.lang.IllegalArgumentException: bad
>> adapter (conversion=0x00000100): type mismatch: returning a int, but
>> caller expects byte
>>
>> I'm not very used to all this argument conversion stuff, so my
>> question is can I do a conversion like this?  Is the exception  
>> correct
>> and excepted to be thrown or is this a bug in the RI?
>>
>> -- Christian
>>
>
> It's a bug in the RI, but the EG decide not too long ago
> that conversions with loss, here, int -> byte is allowed.

Alright, then I leave these conversions out for this testcase.  Thanks.

-- Christian