thanks to Jyri's email, I have a simple fix to fail quickly and with a understandable error message.
jbs: https://bugs.openjdk.java.net/browse/JDK-8163196 simple diff inside jbs -- David Hill<david.h...@oracle.com> Java Embedded Development "A man's feet should be planted in his country, but his eyes should survey the world." -- George Santayana (1863 - 1952)