src/main/java/com/cedarsoftware/util/io/Resolver.java
private void handleMissingFields()
    {
        MissingFieldHandler missingFieldHandler = reader.getMissingFieldHandler();
        if (missingFieldHandler != null)
        {
            for (Missingfields mf : missingFields)
            {
                missingFieldHandler.fieldMissing(mf.target, mf.fieldName, mf.value);
            }
        }//else no handler so ignore.
    }
private void handleMissingFields()
    {
        MissingFieldHandler missingFieldHandler = reader.getMissingFieldHandler();
        if (missingFieldHandler != null)
        {
            for (Missingfields mf : missingFields)
            {
                missingFieldHandler.fieldMissing(mf.target, mf.fieldName, mf.value);
            }
        }//else no handler so ignore.
    }
calls the missing field handler if any for each recorded missing field.