diff --git a/src/main/java/org/gcube/portlets/user/dataminermanager/server/SessionUtil.java b/src/main/java/org/gcube/portlets/user/dataminermanager/server/SessionUtil.java
index b1a61e4..750b79e 100644
--- a/src/main/java/org/gcube/portlets/user/dataminermanager/server/SessionUtil.java
+++ b/src/main/java/org/gcube/portlets/user/dataminermanager/server/SessionUtil.java
@@ -34,12 +34,12 @@ public class SessionUtil {
 
 	public static ServiceCredentials getServiceCredentials(
 			HttpServletRequest httpServletRequest) throws ServiceException {
-		return getServiceCredentials(httpServletRequest, null,null);
+		return getServiceCredentials(httpServletRequest, null, null);
 	}
 
 	public static ServiceCredentials getServiceCredentials(
-			HttpServletRequest httpServletRequest, String scopeGroupId, String currUserId)
-			throws ServiceException {
+			HttpServletRequest httpServletRequest, String scopeGroupId,
+			String currUserId) throws ServiceException {
 
 		ServiceCredentials sCredentials = null;
 		String userName = null;
@@ -83,6 +83,7 @@ public class SessionUtil {
 
 			}
 
+			logger.debug("Scope: " + scope);
 			if (scope == null || scope.isEmpty()) {
 				String error = "Error retrieving scope: " + scope;
 				logger.error(error);
@@ -104,7 +105,7 @@ public class SessionUtil {
 			} else {
 				gCubeUser = pContext.getCurrentUser(httpServletRequest);
 			}
-			
+
 			if (gCubeUser == null) {
 				String error = "Error retrieving gCubeUser in scope " + scope
 						+ ": " + gCubeUser;
@@ -113,6 +114,7 @@ public class SessionUtil {
 			}
 
 			userName = gCubeUser.getUsername();
+			logger.debug("UserName: " + userName);
 
 			if (userName == null || userName.isEmpty()) {
 				String error = "Error retrieving username in scope " + scope
@@ -121,8 +123,22 @@ public class SessionUtil {
 				throw new ServiceException(error);
 			}
 
-			token = pContext.getCurrentUserToken(scope, httpServletRequest);
+			if (hasCurrUserId) {
+				try {
+					token = pContext.getCurrentUserToken(scope,
+							Long.valueOf(currUserId));
+				} catch (Exception e) {
+					String error = "Error retrieving token for: [userId= "
+							+ currUserId + ", scope: " + scope + "]";
+					logger.error(error, e);
+					throw new ServiceException(error);
+				}
 
+			} else {
+				token = pContext.getCurrentUserToken(scope, httpServletRequest);
+			}
+
+			logger.debug("Token: " + token);
 			if (token == null || token.isEmpty()) {
 				String error = "Error retrieving token for " + userName
 						+ " in " + scope + ": " + token;