diff --git a/SteamWareLib/memLayer.cs b/SteamWareLib/memLayer.cs
index 579288d..75c93c0 100644
--- a/SteamWareLib/memLayer.cs
+++ b/SteamWareLib/memLayer.cs
@@ -948,7 +948,11 @@ namespace SteamWare
       // ...se uso redis...
       if (cacheOnRedis)
       {
-        answ = JsonConvert.DeserializeObject(getRSV(redHash(nomeVar)));
+        string valSer = getRSV(redHash(nomeVar));
+        if (valSer != "" && valSer != null)
+        {
+          answ = JsonConvert.DeserializeObject(valSer);
+        }
       }
       else
       {
@@ -1251,6 +1255,36 @@ namespace SteamWare
       { }
       return answ;
     }
+    /// <summary>
+    /// Serializzazione di un oggetto generico
+    /// </summary>
+    /// <param name="origVal"></param>
+    /// <returns></returns>
+    public string serializeVal(object origVal)
+    {
+      string answ = "";
+      try
+      {
+        answ = JsonConvert.SerializeObject(origVal);
+      }
+      catch { }
+      return answ;
+    }
+    /// <summary>
+    /// Deserializzazione di un valore string in oggetto generico
+    /// </summary>
+    /// <param name="serVal"></param>
+    /// <returns></returns>
+    public object deserializeVal(string serVal)
+    {
+      object answ = "";
+      try
+      {
+        answ = JsonConvert.DeserializeObject(serVal);
+      }
+      catch { }
+      return answ;
+    }
 
     /// <summary>
     /// Connessione lazy a redis...