diff --git a/net_services/CXM_generic_protocol.anubis b/net_services/CXM_generic_protocol.anubis
index c4ffe32..9f6540c 100644
--- a/net_services/CXM_generic_protocol.anubis
+++ b/net_services/CXM_generic_protocol.anubis
@@ -202,7 +202,7 @@ public define Bool
   forget(add_message(msg, "GET_FILE_REF", to_Message(f_ref)));
   forget(mQ.add_Message_to_send(msg));
   
-  if wait_for_reply(mQ, _CXM_GET_FILE_REF, 10) is
+  if wait_for_reply(mQ, _CXM_GET_FILE_REF, 30) is
   {
     failure       then false,
     timeout       then false,
@@ -211,7 +211,7 @@ public define Bool
     error(_, _)   then false,
     ok            then false, //false because OK without result message is not allowed
     ok_msg(rmsg)  then 
-      with size = if find_int64(rmsg, "SIZE") is {failure then f_ref.size, success(i64) then to_Int([i64])},
+      with size = if find_string(rmsg, "SIZE") is {failure then f_ref.size, success(size_str) then if decimal_scan(size_str) is { failure then should_not_happen(0), success(_size_) then _size_}},
       with mode = find_string(rmsg, "MODE", "NEW"),
       if mode = "APPEND" then
         if (Maybe(RWStream))file(target_file, append) is
@@ -244,37 +244,44 @@ public define Bool
     MessageQueue  mQ,
     Message       msg,
   )=
-  println("NET_SERVICE send_file_ref received");
+  println("NET_SERVICE send_file_ref received *");
   if *msg.what = _CXM_GET_FILE_REF then
     if find_message(msg, "GET_FILE_REF") is {
-      failure                   then println("NET_SERVICE send_file_ref: can't find GET_FILE_REF message"); false 
+      failure                   then println("NET_SERVICE send_file_ref: can't find GET_FILE_REF message"); false,
       success(file_ref_obj_msg) then
+        println("NET_SERVICE send_file_ref: GET_FILE_REF message found");
         if (Maybe(File_ref))from_Message(file_ref_obj_msg) is
         {
           failure         then println("NET_SERVICE send_file_ref: can't extract GET_FILE_REF message");false,
           success(f_ref)  then
-    
+            println("NET_SERVICE send_file_ref: GET_FILE_REF message File_ref extracted\n"+dump(file_ref_obj_msg));
             //create the target 
             with source_file  = f_ref.path + "/" + f_ref.name,
             with msg          = message(0),
             with size         = file_size(source_file),
-            
+           
+            println("source_file = "+source_file);
+            println("size        = "+size);
             forget(add_string(msg, "MODE", "NEW"));
-            forget(add_int64(msg, "SIZE",  to_Word64(size)));
-          
+            println("add MODE ok");
+            forget(add_string(msg, "SIZE", to_String(size)));
+            println("add SIZE ok");
+            println("NET_SERVICE send_file_ref: reply message \n"+dump(msg));
             if (Maybe(RStream))file(source_file, read) is
             {
               failure         then println("NET_SERVICE send_file_ref:  can't open source file"+source_file);false, //nothing to write 
-              success(source) then 
+              success(source) then
+                println("NET_SERVICE send_file_ref  send ack file size "+size);
                 send_ACK_ok(mQ, _CXM_GET_FILE_REF, msg);
                 if copy_file_to_Connection(file(source), mQ.get_connection(unique), size) is
                 {
-                  failure     then false,
-                  success(_)  then true
+                  failure     then println("NET_SERVICE send_file_ref copy_file_to_Connection error");false,
+                  success(_)  then println("NET_SERVICE send_file_ref copy_file_to_Connection ok");true
                 }
             }
         }
     }
   else  //not _CXM_GET_FILE_REF
+    println("[send_file_ref] it's not a _CXM_GET_FILE_REF");
     false
 .
--
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