import javax.script.Compilable;
import javax.script.CompiledScript;
import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;

public class SandBox {
	public SandBox() {
		try {
			ScriptEngine jsEngine = new ScriptEngineManager().getEngineByName("JavaScript");
			Compilable compilingEngine = (Compilable) jsEngine;
			CompiledScript cs = compilingEngine.compile("function invoke() { println(somevar)}");
			Invocable inv = (Invocable) cs.getEngine();
			inv.invokeFunction("invoke"); //LINE 16
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public static void main(String[] args) {
		new SandBox();
	}
}

----


java.lang.NoSuchMethodException: no such method: invoke
        at com.sun.script.javascript.RhinoScriptEngine.invoke(RhinoScriptEngine.java:170)
        at com.sun.script.javascript.RhinoScriptEngine.invokeFunction(RhinoScriptEngine.java:142)
        at Quackbot.impl.SandBox.<init>(SandBox.java:16)
        at Quackbot.impl.SandBox.main(SandBox.java:23)