diff --git a/transfer_service/db_connector.py b/transfer_service/db_connector.py
index adeef3898a3baabec97d69e93eceb22c63c0c2ca..9f4553c8dfb9230177ebeeecdfda864c2e1984b0 100644
--- a/transfer_service/db_connector.py
+++ b/transfer_service/db_connector.py
@@ -721,36 +721,36 @@ class DbConnector(object):
                 if not conn.closed:
                     conn.rollback()
                     
-    def updateGroupRead(self, groupsToAdd, groupsToRemove, nodeVOSPath):
+    def updateGroupRead(self, groupToAdd, groupToRemove, nodeVOSPath):
         with self.getConnection() as conn:
             try:
                 cursor = conn.cursor(cursor_factory = RealDictCursor)
                 cursor.execute("""
                     UPDATE node c
-                    SET group_read = update_array(c.group_read, %s::VARCHAR[], %s::VARCHAR[])
+                    SET group_read = update_array(c.group_read, %s, %s)
                     FROM node n
                     WHERE c.path <@ n.path AND n.node_id = id_from_vos_path(%s);
                     """,
-                    (groupsToAdd,
-                     groupsToRemove,
+                    (groupToAdd,
+                     groupToRemove,
                      nodeVOSPath,))
                 conn.commit()
             except Exception as e:
                 if not conn.closed:
                     conn.rollback()
                     
-    def updateGroupWrite(self, groupsToAdd, groupsToRemove, nodeVOSPath):
+    def updateGroupWrite(self, groupToAdd, groupToRemove, nodeVOSPath):
         with self.getConnection() as conn:
             try:
                 cursor = conn.cursor(cursor_factory = RealDictCursor)
                 cursor.execute("""
                     UPDATE node c
-                    SET group_write = update_array(c.group_write, %s::VARCHAR[], %s::VARCHAR[])
+                    SET group_write = update_array(c.group_write, %s, %s)
                     FROM node n
                     WHERE c.path <@ n.path AND n.node_id = id_from_vos_path(%s);
                     """,
-                    (groupsToAdd,
-                     groupsToRemove,
+                    (groupToAdd,
+                     groupToRemove,
                      nodeVOSPath,))
                 conn.commit()
             except Exception as e:
diff --git a/transfer_service/group_rw_rpc_server.py b/transfer_service/group_rw_rpc_server.py
index 74710b9580f1edb78ef6634779327909ce8321e5..276d135265bf4adb8d5725ab78d8c11159feaada 100644
--- a/transfer_service/group_rw_rpc_server.py
+++ b/transfer_service/group_rw_rpc_server.py
@@ -56,6 +56,7 @@ class GroupRwRPCServer(RedisRPCServer):
             jobType = requestType.split('_')[0]
             vospacePath = requestBody["vospacePath"]
             groupname = requestBody["groupName"]
+            self.logger.info(f"groupName: {groupname}")
             #groupInDb = self.dbConn.userExists(groupname)
             #groupInfo = self.systemUtils.userInfo(groupname)