Proposed API for JEP 259: Stack-Walking API

Mandy Chung mandy.chung at
Mon Nov 16 19:16:40 UTC 2015

> On Nov 15, 2015, at 10:59 AM, Peter Levart <peter.levart at> wrote:
> OTOH in the described cases, a caller of walker.getCallerClass() is actually expecting to be called by a Java method, right? So what would it be if such "caller-sensitive" method demanded to be called by a Java method and throw IllegalArgumentException("Not called by Java method") otherwise?
> Have you thought of that possibility?

Are you thinking about a JNI method calling getCallerClass?  Or refer getCallerClass being the bottom of the stack?

I don’t see any issue for a JNI method calling getCallerClass and it’s doing:
*     Class<?> caller = walker.walk(s ->
*          .skip(2)
*          .findFirst());


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