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

[Chris Hegarty]

On 14/11/16 15:29, Andrew Haley wrote:
> 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().

Additionally, is it possible to run with '-Xcheck:jni' ?

-Chris.