code: @Override
      public void throwing(String sourceClass, String sourceMethod, Throwable thrown) {
          if (isLoggable(Level.FINER)) {
              LogRecord logRecord = createLogRecord(Level.FINER, "THROW", null, sourceClass, sourceMethod, null, thrown);
              log(logRecord);
          }
      }
docs: /*
  @see java.util.logging.Logger#throwing(java.lang.String,
  java.lang.String, java.lang.Throwable)