diff --git a/appc-dg/appc-dg-shared/appc-dg-dependency-model/pom.xml b/appc-dg/appc-dg-shared/appc-dg-dependency-model/pom.xml
index 52a3d5f..b4fa2d4 100644
--- a/appc-dg/appc-dg-shared/appc-dg-dependency-model/pom.xml
+++ b/appc-dg/appc-dg-shared/appc-dg-dependency-model/pom.xml
@@ -14,6 +14,8 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <jackson-yaml-version>2.8.1</jackson-yaml-version>
+    <snakeyaml.version>1.15</snakeyaml.version>
   </properties>
 
   <dependencies>
@@ -51,7 +53,7 @@
       <groupId>org.yaml</groupId>
       <artifactId>snakeyaml</artifactId>
       <version>${snakeyaml.version}</version>
-    </dependency>    
+    </dependency>
     <dependency>
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>
diff --git a/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/openecomp/appc/mdsal/impl/Constants.java b/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/openecomp/appc/mdsal/impl/Constants.java
index 711ec1d..949f6ff 100644
--- a/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/openecomp/appc/mdsal/impl/Constants.java
+++ b/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/openecomp/appc/mdsal/impl/Constants.java
@@ -26,7 +26,7 @@
 /**
  * This class contains the definitions of all constant values used in the appc-dg-mdsal-store
  * These properties are used for creating osgi bundle zip file. It also defines contents for Blueprint.xml file of bundle
-*/
+ */
 public class Constants {
 
     private Constants(){}
@@ -79,7 +79,6 @@
      * Base URL for config actions exposed by RESTCONF API
      */
 
-    public static final String CONFIG_URL = "https://localhost:8443/restconf/config";
     public static final String CONFIG_URL_DEFAULT = "https://localhost:8443/restconf/config";
 
     public static final String CONFIG_URL_PROPERTY = "appc.LCM.provider.url";
diff --git a/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/openecomp/appc/mdsal/operation/ConfigOperation.java b/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/openecomp/appc/mdsal/operation/ConfigOperation.java
index dbb8246..5c5a1bb 100644
--- a/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/openecomp/appc/mdsal/operation/ConfigOperation.java
+++ b/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/openecomp/appc/mdsal/operation/ConfigOperation.java
@@ -67,7 +67,7 @@
 
 /**
  * Provides method to store configuration to MD-SAL store. It also exposes doPut operation which can be used to invoke REST Put operation.
-*/
+ */
 public class ConfigOperation {
     private static final EELFLogger LOG = EELFManager.getInstance().getLogger(ConfigOperation.class);
 
@@ -100,7 +100,7 @@
         int httpCode;
         String respBody ;
         try {
-            String path = requestFormatter.buildPath(url, module, containerName, subModules);
+            String path = requestFormatter.buildPath(module, containerName, subModules);
             LOG.debug("Configuration Path : " + path);
             URL serviceUrl = new URL(url.getProtocol(), url.getHost(), url.getPort(), path);
             HttpResponse response = doPut(serviceUrl , configJson);
@@ -111,22 +111,25 @@
             throw new APPCException(e);
         }
 
-        if (httpCode != 200 ) {
+        if (httpCode < 200 || httpCode >= 300 ) {
             try {
+                LOG.debug("Config operation Error response code: " + httpCode);
                 ArrayList<String> errorMessage = new ArrayList<>();
                 JsonNode responseJson = toJsonNodeFromJsonString(respBody);
                 if(responseJson!=null && responseJson.get("errors")!=null) {
                     JsonNode errors = responseJson.get("errors").get("error");
-                for (Iterator<JsonNode> i = errors.elements();i.hasNext();){
-                    JsonNode error = i.next();
-                    errorMessage.add(error.get("error-message").textValue());
+                    for (Iterator<JsonNode> i = errors.elements();i.hasNext();){
+                        JsonNode error = i.next();
+                        errorMessage.add(error.get("error-message").textValue());
+                    }
                 }
-                }
-                throw new APPCException("Failed to load config JSON to MD SAL store. Error Message:" + errorMessage.toString());
+                throw new APPCException("Failed to load config JSON to MD SAL store. Error code:" + httpCode +" Error Message:" + errorMessage.toString());
             } catch (Exception e) {
-                LOG.error("Error while loading config JSON to MD SAL store. "+e.getMessage(), e);
-                throw new APPCException("Error while loading config JSON to MD SAL store. "+ e.getMessage(),e);
+                LOG.error("Error while loading config JSON to MD SAL store. Error code:" + httpCode +" Error Message:" + e.getMessage(), e);
+                throw new APPCException("Error while loading config JSON to MD SAL store. Error code:" + httpCode +" Error Message:" + e.getMessage(),e);
             }
+        }else{
+            LOG.debug("Config operation successful. Response code: " + httpCode);
         }
     }
 
diff --git a/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/openecomp/appc/mdsal/operation/ConfigOperationRequestFormatter.java b/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/openecomp/appc/mdsal/operation/ConfigOperationRequestFormatter.java
index 94e120f..26e7669 100644
--- a/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/openecomp/appc/mdsal/operation/ConfigOperationRequestFormatter.java
+++ b/appc-dg/appc-dg-shared/appc-dg-mdsal-store/src/main/java/org/openecomp/appc/mdsal/operation/ConfigOperationRequestFormatter.java
@@ -34,13 +34,12 @@
 public class ConfigOperationRequestFormatter {
     /**
      *  Build a request url path for config actions
-     * @param url - base url
      * @param module - yang module name
      * @param containerName - yang container name
      * @param subModules - sub module /container  names as string in varargs ( String ) format
      * @return - resultant path in String format
      */
-    public String buildPath(URL url,String module, String containerName , String... subModules ) {
+    public String buildPath(String module, String containerName , String... subModules ) {
 
         StringBuilder path = new StringBuilder( Constants.CONFIG_PATH + Constants.URL_BACKSLASH + module + ":"+containerName + Constants.URL_BACKSLASH);
         if(subModules.length >0){