title: Spring-boot RestAPI post org.springframework.http.converter.HttpMessageNotReadableException
body: <p>My github code <a href="https://github.com/prabhatpankaj/SpringREST_API/" rel="nofollow noreferrer">https://github.com/prabhatpankaj/SpringREST_API/</a></p>
  
  <p><img src="https://i.stack.imgur.com/OFUaA.png" alt="enter image description here"></p>
  
  <p>output</p>
  
  <pre><code>output { "timestamp": 1498443503678, "status": 400, "error": "Bad Request", "exception": "org.springframework.http.converter.HttpMessageNotReadableEx‌​ception", "message": "JSON parse error: Can not deserialize instance of com.exaple.objects.User out of START_ARRAY token; nested exception is com.fasterxml.jackson.databind.JsonMappingException: Can not deserialize instance of com.exaple.objects.User out of START_ARRAY token\n at [Source: java.io.PushbackInputStream@1546ea93; line: 1, column: 1]", "path": "/api/user/" }
  </code></pre>