NPE on "return" bytecode of java.net.NetworkInterface

[Andrew Haley]

On 14/11/16 14:47, David M. Lloyd wrote:

> Since this method is called from a native method, is it possible
> that somehow the native method is generating an NPE, but the Java
> method is still in the stack context?  I assume that what is
> happening here is some kind of class init order snafu, but it's
> pretty tricky to diagnose exactly with this non-intuitive stack.

java.net.NetworkInterface.getAll() will return null if it fails to
create an instance of NetworkInterface.  It's quite possible that
inlining will make it appear that a NPE at getAll's caller is reported
at the return.

Try either TieredStopAtLevel=1 or disable compilation for getAll().

Andrew.