Ifa connectionwas notmade, check to make sure the networkserverhas been started, andthat derby.system.home has been set to thefullpath to the datadirectoryunder theLowFareAirfolder.
如果没有成功建立连接,那么检查网络服务器是否已经启动,以及derby . system . home是否被设为LowFareAir文件夹下data目录的完整路径。