When ant is used to build nashorn, we get the following warning:

    [javac] /Users/SATHIJEG/src/jdk9-dev/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/api/scripting/NashornException.java:247: warning: [exports] class ScriptObject in module jdk.scripting.nashorn may not be visible to all clients that require this module
    [javac] protected NashornException initEcmaError(final ScriptObject global) {
    [javac]