Failed to write HTTP message: org.springframework.http.converter.HttpMessageNotWritableException:
<p>I am new to Spring MVC framework. I am trying to retrieve User details using Hibernate to return object in my Spring project. I am getting the following error:</p>

<blockquote>
  <p>WARN :
  org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver
  - Failed to write HTTP message: org.springframework.http.converter.HttpMessageNotWritableException:
  Could not write content: No serializer found for class
  org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer and no
  properties discovered to create BeanSerializer (to avoid exception,
  disable SerializationFeature.FAIL_ON_EMPTY_BEANS) ) (through reference
  chain:
  com.ppts.mschef.util.api.ApiResponse["object"]->com.ppts.mschef.model.Mischef["user"]->com.ppts.mschef.model.User_$$_jvstb3_6["handler"]);
  nested exception is
  com.fasterxml.jackson.databind.JsonMappingException: No serializer
  found for class
  org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer and no
  properties discovered to create BeanSerializer (to avoid exception,
  disable SerializationFeature.FAIL_ON_EMPTY_BEANS) ) (through reference
  chain:
  com.ppts.mschef.util.api.ApiResponse["object"]->com.ppts.mschef.model.Mischef["user"]->com.ppts.mschef.model.User_$$_jvstb3_6["handler"])</p>
</blockquote>

<p>Can anyone tell the solution for this error??</p>