title: java.lang.InstantiationException: can't instantiate class com.luichi.ygj.a.cf; no empty constructor
body: <p>When I use the confusion , application wrong 
  logs：</p>
  
  <blockquote>
    <p>[2016-08-22 11:15:24.343]----->11java.lang.RuntimeException:
    java.lang.InstantiationException: can't instantiate class
    com.luichi.ygj.a.cf; no empty constructor</p>
  </blockquote>
  
  <p><a href="https://i.stack.imgur.com/7YbXL.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/7YbXL.png" alt="enter image description here"></a></p>