Index: lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/web/controller/LearningController.java
===================================================================
diff -u -rc364f48d3f1a5d354f6fce9a3063a8f6963e7a62 -ra3b7d85bf0348714e0486955b9280b6b7de46438
--- lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/web/controller/LearningController.java	(.../LearningController.java)	(revision c364f48d3f1a5d354f6fce9a3063a8f6963e7a62)
+++ lams_tool_doku/src/java/org/lamsfoundation/lams/tool/dokumaran/web/controller/LearningController.java	(.../LearningController.java)	(revision a3b7d85bf0348714e0486955b9280b6b7de46438)
@@ -62,6 +62,7 @@
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
 
 import com.fasterxml.jackson.databind.node.JsonNodeFactory;
 import com.fasterxml.jackson.databind.node.ObjectNode;
@@ -261,6 +262,7 @@
      * Checks Leader Progress
      */
     @RequestMapping("/checkLeaderProgress")
+    @ResponseBody
     private String checkLeaderProgress(HttpServletRequest request, HttpServletResponse response) throws IOException {
 
 	Long toolSessionId = WebUtil.readLongParam(request, AttributeNames.PARAM_TOOL_SESSION_ID);