diff --git a/src/main/java/org/gcube/portlets/admin/OpenIdConnectRESTHelperExtended.java b/src/main/java/org/gcube/portlets/admin/OpenIdConnectRESTHelperExtended.java
index f4e9f23..9757d5d 100644
--- a/src/main/java/org/gcube/portlets/admin/OpenIdConnectRESTHelperExtended.java
+++ b/src/main/java/org/gcube/portlets/admin/OpenIdConnectRESTHelperExtended.java
@@ -40,7 +40,7 @@ public class OpenIdConnectRESTHelperExtended extends OpenIdConnectRESTHelper {
      *                                          unauthorized call), inspect the
      *                                          exception for details
      */
-    public static JWTToken queryExchangeToken(URL tokenUrl, String authorization, String audience, String client_id,
+    public static JWTToken ExtendedQueryExchangeToken(URL tokenUrl, String authorization, String audience, String client_id,
             String client_secret,
             List<String> permissions) throws OpenIdConnectRESTHelperException {
 
@@ -87,16 +87,16 @@ public class OpenIdConnectRESTHelperExtended extends OpenIdConnectRESTHelper {
         // logger.info("Query exchangeToken, params " + params);
         // logger.info("Query exchangeToken, extraHeaders " + extraHeaders);
 
-        return performQueryTokenWithPOST(tokenUrl, null, params, extraHeaders);
+        return ExtenedPerformQueryTokenWithPOST(tokenUrl, null, params, extraHeaders);
     }
 
-    protected static JWTToken performQueryTokenWithPOST(URL tokenURL, String authorization,
+    protected static JWTToken ExtenedPerformQueryTokenWithPOST(URL tokenURL, String authorization,
             Map<String, List<String>> params, Map<String, String> headers) throws OpenIdConnectRESTHelperException {
 
         // logger.debug("Querying access token from OIDC server with URL: {}", tokenURL);
         StringBuilder sb;
         try {
-            HttpURLConnection httpURLConnection = performURLEncodedPOSTSendData(tokenURL, params, authorization,
+            HttpURLConnection httpURLConnection = ExtendedPerformURLEncodedPOSTSendData(tokenURL, params, authorization,
                     headers);
 
             sb = new StringBuilder();
@@ -135,7 +135,7 @@ public class OpenIdConnectRESTHelperExtended extends OpenIdConnectRESTHelper {
         return JWTToken.fromString(sb.toString());
     }
 
-    protected static HttpURLConnection performURLEncodedPOSTSendData(URL url, Map<String, List<String>> params,
+    protected static HttpURLConnection ExtendedPerformURLEncodedPOSTSendData(URL url, Map<String, List<String>> params,
             String authorization, Map<String, String> headers)
             throws IOException, ProtocolException, UnsupportedEncodingException {
 
diff --git a/src/main/java/org/gcube/portlets/admin/RPTTokenReader.java b/src/main/java/org/gcube/portlets/admin/RPTTokenReader.java
index d2d0c0c..3bd2351 100644
--- a/src/main/java/org/gcube/portlets/admin/RPTTokenReader.java
+++ b/src/main/java/org/gcube/portlets/admin/RPTTokenReader.java
@@ -129,7 +129,7 @@ public class RPTTokenReader extends MVCPortlet {
 			// log.info("client_id " + configuration.getPortalClientId());
 			// log.info("client_secret " + configuration.getPortalClientSecret());
 
-			exchangedToken = OpenIdConnectRESTHelperExtended.queryExchangeToken(
+			exchangedToken = OpenIdConnectRESTHelperExtended.ExtendedQueryExchangeToken(
 					configuration.getTokenURL(),
 					authToken.getAccessTokenString(),
 					urlEncodedContext,