public UNKNOWN unknownSysex(CompletionStatus cs, Throwable t) { UNKNOWN exc = new UNKNOWN(UNKNOWN_SYSEX, cs); if (t != null) exc.initCause(t); if (logger.isLoggable(Level.WARNING)) { Object[] parameters = null; doLog(Level.WARNING, "UTIL.unknownSysex", parameters, UtilSystemException.class, exc); } return exc; }