title: Caused by: java.lang.ClassNotFoundException: org.springframework.util.StreamUtils in GAE
body: <p>My project don't work in GAE on global side, but it work correctly in local GAE server.
  Logs from global server:           </p>
  
  <pre><code>Caused by: java.lang.ClassNotFoundException: org.springframework.util.StreamUtils
  </code></pre>
  
  <p>I see this exception when i call <code>getLogin()</code> method, but methos <code>setUserINN()</code> work is correctly.          </p>
  
  <pre><code>@RequestMapping(value="/getSalesInfo", method = RequestMethod.GET)  
      public @ResponseBody String getLogin(){
          MasterAccountInfo msi = dataMethods.getMasterAccountInfo();
          ObjectMapper mapper = new ObjectMapper();
          try {
              return mapper.writeValueAsString(msi);
          } catch (JsonProcessingException e) {
              // TODO Auto-generated catch block
              e.printStackTrace();
              return "failed transform";
          }
      }
  
      @RequestMapping(value="/setuserINN", method = RequestMethod.POST)
      public String setUserINN(@RequestParam("INN") String INN){
          Principal pr = SecurityContextHolder.getContext().getAuthentication();
          String str = pr.getName();
          dataMethods.changeUserInfo(str, INN);
          return "redirect:/myaccount";
      }
  }
  </code></pre>
  
  <p>I have no idea about this problem. Please help.</p>