@Override
  protected Class loadClass(String name, boolean resolve) throws ClassNotFoundException {
    Class c = null;

    // First, check if the class has already been loaded
    c = findLoadedClass(name);

    // if not loaded, search the local (child) resources
    if (c == null) {
      try {
        c = findClass(name);
      } catch (ClassNotFoundException cnfe) {
        // ignore
      }
    }

    // if we could not find it, delegate to parent
    // Note that we don't attempt to catch any ClassNotFoundException
    if (c == null) {
      try {
        c = searchParent(name);
      } catch (ClassNotFoundException | NoClassDefFoundError cnfe) {
        // ignore
      }
    }

    if (resolve) {
      resolveClass(c);
    }

    return c;
  }
We override the parent-first behavior established by java.lang.Classloader.
geode-core/src/main/java/org/apache/geode/internal/classloader/ChildFirstClassLoader.java