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 7e9efa8..39830df 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
@@ -37,10 +37,8 @@ public class XmlController implements RestController {
         XMLRequestBody requestBody;
         try {
             requestBody = this.gson.fromJson(request.body(), XMLRequestBody.class);
-        } catch (Exception e) {
-            XMLResponseBody responseBody = prepareErrorResponseBody(e.getMessage(), "N/A");
-            response.status(400);
-            response.body(this.gson.toJson(responseBody));
+        } catch (Exception ex) {
+            requestErrorResponse(response, ex);
             return;
         }
 
@@ -66,11 +64,8 @@ public class XmlController implements RestController {
         XMLRequestBody requestBody;
         try {
             requestBody = this.gson.fromJson(request.body(), XMLRequestBody.class);
-        } catch (Exception e) {
-            XMLResponseBody responseBody = prepareErrorResponseBody(e.getMessage(), "N/A");
-
-            response.status(400);
-            response.body(this.gson.toJson(responseBody));
+        } catch (Exception ex) {
+            requestErrorResponse(response, ex);
             return;
         }
         if (requestBody.getProcessor() == null) {
@@ -89,11 +84,8 @@ public class XmlController implements RestController {
         XMLRequestBody requestBody;
         try {
             requestBody = this.gson.fromJson(request.body(), XMLRequestBody.class);
-        } catch (Exception e) {
-            XMLResponseBody responseBody = prepareErrorResponseBody(e.getMessage(), "N/A");
-
-            response.status(400);
-            response.body(this.gson.toJson(responseBody));
+        } catch (Exception ex) {
+            requestErrorResponse(response, ex);
             return;
         }
 
@@ -114,10 +106,7 @@ public class XmlController implements RestController {
         try {
             requestBody = this.gson.fromJson(request.body(), XMLRequestBody.class);
         } catch (Exception e) {
-            XMLResponseBody responseBody = prepareErrorResponseBody(e.getMessage(), "N/A");
-
-            response.status(400);
-            response.body(this.gson.toJson(responseBody));
+            requestErrorResponse(response, e);
             return;
         }
 
@@ -213,8 +202,10 @@ public class XmlController implements RestController {
         response.status(400);
     }
 
-    private void requestErrorResponse(Response response) {
-
+    private void requestErrorResponse(Response response, Exception ex) {
+        XMLResponseBody responseBody = prepareErrorResponseBody(ex.getMessage(), "N/A");
+        response.status(400);
+        response.body(this.gson.toJson(responseBody));
     }
 
     private XMLResponseBody prepareErrorResponseBody(String message, String processor) {
diff --git a/Backend/tools-services/src/main/java/com/r11/tools/xml/Saxon.java b/Backend/tools-services/src/main/java/com/r11/tools/xml/Saxon.java
index 897da0b..9237c2e 100644
--- a/Backend/tools-services/src/main/java/com/r11/tools/xml/Saxon.java
+++ b/Backend/tools-services/src/main/java/com/r11/tools/xml/Saxon.java
@@ -40,7 +40,7 @@ public class Saxon implements XmlEngine{
     }
 
     /**
-     * This method evaluates XQuery exporession on given xml
+     * This method evaluates XQuery expression on given xml
      * @param data xml
      * @param xquery expression
      * @return
@@ -64,8 +64,8 @@ public class Saxon implements XmlEngine{
 
     /**
      * Process xpath and return either node or wrapped atomic value
-     * @param data xml to be querried
-     * @param query xpath queryy
+     * @param data xml to be processed
+     * @param query xpath query
      * @param version processor version
      * @return string xml representation of the node
      * @throws Exception thrown on node building errors or invalid xpath