gistfile1.js

var STDOUT = java.lang.System.out;

STDOUT.println("starting test");

var body =
  "function() {\n" +
  "// deliberate syntax error\n" +
  "v a r num = 234;\n" +
    "}\n//@ sourceURL=wibble.js";

STDOUT.println("module source is:\n" + body);

try {
  eval(body);
} catch (ex) {
  if (ex instanceof SyntaxError) {
    STDOUT.println("message is:" + ex.message);
    STDOUT.println("line no is:" + ex.lineNumber);
    STDOUT.println("filename is:" + ex.fileName);
    STDOUT.println("stack is:\n" + ex.stack);

    var correctException = ex.nashornException.cause;

    STDOUT.println("ne message is:" + correctException.message);
    STDOUT.println("ne line no is:" + correctException.lineNumber);
    STDOUT.println("ne filename is:" + correctException.fileName);
    STDOUT.println("ne stack is:\n" + correctException.stack);
  }
}