Hello, One small request. Could you please remove e.printStackTrace() from https://github.com/RestComm/jdiameter/blob/master/core/jdiameter/impl/src/main/java/org/jdiameter/client/impl/parser/ElementParser.java line: 328 catch (Exception e) { e.printStackTrace(); logger.debug("Error during encode avps", e); } I assume it shouldn't be there. And maybe log this exception with higher level:) Regards, Jarek