Encourage caching

Author: slominskir

src/main/java/org/jlab/btm/presentation/controller/ajax/MyqueryInterval.java

@@ -86,8 +86,11 @@ protected void doGet(HttpServletRequest request, HttpServletResponse response)
 
       HttpResponse<String> proxyResponse = future.get();
 
+      response.setContentType("application/javascript");
+
       response.getWriter().println(proxyResponse.body());
     } catch (URISyntaxException | InterruptedException | ExecutionException e) {
+      e.printStackTrace();
       throw new ServletException("Unable to query myquery", e);
     }
   }

src/main/webapp/resources/js/charge.js

@@ -241,7 +241,7 @@ jlab.fetchMyaData = function (params) {
             e: params.end
         },
         dataType = "json",
-        options = {url: url, type: 'GET', data: data, dataType: dataType, timeout: 60000};
+        options = {url: url, type: 'GET', data: data, dataType: dataType, timeout: 60000, cache: true};
 
     var promise = $.ajax(options);
     promise.done(function (json) {