code: @Deprecated
    public static synchronized void honorTracingParameter(Level level)
    {
      if (!isLegacyLoggerInit &&
          System.getProperty("java.util.logging.config.file") == null &&
          System.getProperty("java.util.logging.config.class") == null)
      {
        legacyLoggerInit(level);
  
        isLegacyLoggerInit = true;
      }
    }
docs: This is legacy way of enable logging in JDBC (through TRACING parameter)
  Only effective when java.util.logging.config.file is not specified