diff --git a/Backend/tools-services/src/main/java/com/r11/tools/controller/XmlController.java b/Backend/tools-services/src/main/java/com/r11/tools/controller/XmlController.java
index 0330421..3a81302 100644
--- a/Backend/tools-services/src/main/java/com/r11/tools/controller/XmlController.java
+++ b/Backend/tools-services/src/main/java/com/r11/tools/controller/XmlController.java
@@ -67,11 +67,11 @@ public class XmlController implements RestController {
 
         switch (requestBody.getProcessor().toLowerCase()) {
             case "saxon":
-                process(new XmlJob(response, requestBody, saxon, xmlJobType));
+                processRequest(new XmlJob(response, requestBody, saxon, xmlJobType));
                 return;
 
             case "xalan":
-                process(new XmlJob(response, requestBody, xalan, xmlJobType));
+                processRequest(new XmlJob(response, requestBody, xalan, xmlJobType));
                 return;
 
             default:
@@ -79,13 +79,13 @@ public class XmlController implements RestController {
         }
     }
 
-    private void process(XmlJob xmlJob) {
+    private void processRequest(XmlJob xmlJob) {
         XMLResponseBody responseBody = null;
         long timeStart = System.currentTimeMillis();
         long duration;
 
         try {
-            responseBody = selectProcessMethod(xmlJob);
+            responseBody = processData(xmlJob);
 
             duration = System.currentTimeMillis() - timeStart;
             responseBody.setDuration(duration);
@@ -105,7 +105,7 @@ public class XmlController implements RestController {
 
     }
 
-    private XMLResponseBody selectProcessMethod(XmlJob xmlJob) throws Exception {
+    private XMLResponseBody processData(XmlJob xmlJob) throws Exception {
         if (xmlJob.getXmlJobType() == XmlJobType.XPath)
             return processXPath(xmlJob);
         else
@@ -152,7 +152,8 @@ public class XmlController implements RestController {
         XmlJobType xmlJobType = xmlJob.getXmlJobType();
         Response response = xmlJob.getResponse();
 
-        XMLResponseBody responseBody = prepareErrorResponseBody(ex.getMessage(), engine.getVersion());
+        XMLResponseBody responseBody =
+                new XMLResponseBody(ex.getMessage(), "ERR", engine.getVersion(), -1);
 
         response.status(400);
         this.logger.error("Error on processing " + xmlJobType + " using " + engine.getVersion() + ". " + ex);
@@ -162,18 +163,14 @@ public class XmlController implements RestController {
 
     private void invalidEngineSelectedResponse(Response response) {
         XMLResponseBody responseBody =
-                prepareErrorResponseBody("Valid engines are: saxon, xalan", "N/A");
+                new XMLResponseBody("Valid engines are: saxon, xalan", "ERR", "N/A", -1);
         response.body(this.gson.toJson(responseBody));
         response.status(400);
     }
 
     private void requestErrorResponse(Response response, Exception ex) {
-        XMLResponseBody responseBody = prepareErrorResponseBody(ex.getMessage(), "N/A");
+        XMLResponseBody responseBody = new XMLResponseBody(ex.getMessage(), "ERR", "N/A", -1);
         response.status(400);
         response.body(this.gson.toJson(responseBody));
     }
-
-    private XMLResponseBody prepareErrorResponseBody(String message, String processor) {
-        return new XMLResponseBody(message, "ERR", processor, -1);
-    }
 }