RFR: 8299684: (bf) JNI direct buffer functions with large capacity behave unexpectedly

[Paul Sandoz]

On Thu, 5 Jan 2023 23:22:34 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> src/java.base/share/classes/java/nio/Direct-X-Buffer.java.template line 249:
>> 
>>> 247:             return Math.toIntExact(capacity);
>>> 248:         } catch (ArithmeticException ignore) {
>>> 249:             throw new IllegalArgumentException("capacity " + capacity
>> 
>> I think we should mention the source, that the capacity value originates from a native call to NewDirectByteBuffer, since that will not appear in any frames of the reported stack trace.
>
>> I think we should mention the source, that the capacity value originates from a native call to NewDirectByteBuffer [...]
> 
> So you mean in the IAE message itself?

Yes, enhance the message with more detail

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PR: https://git.openjdk.org/jdk/pull/11873