Disable "illegal reflective access" warnings in JDK 9

DisableReflectiveAccessWarning.java

import java.lang.reflect.Field;

import sun.misc.Unsafe;

public class DisableReflectiveAccessWarning {

  ///===========================================================================
  ///  disableWarning():
  ///    disable "illegal reflective access" warnings in JDK 9
  ///    author: http://bit.ly/2FblrHA (apangin on StackOverflow)
  ///    source: http://bit.ly/2DCIsH2
  ///===========================================================================

  private static void disableWarning() {
    try {
      Field theUnsafe = Unsafe.class.getDeclaredField("theUnsafe");
      theUnsafe.setAccessible(true);
      Unsafe u = (Unsafe) theUnsafe.get(null);

      Class cls = Class.forName("jdk.internal.module.IllegalAccessLogger");
      Field logger = cls.getDeclaredField("logger");
      u.putObjectVolatile(cls, u.staticFieldOffset(logger), null);
    } catch (Exception e) {
        // ignore
    }
  }

}