String localhostname = java.net.InetAddress.getLocalHost().getHostName()Loading Grails 2.3.0java.net.UnknownHostException: mysystem-lnx : Temporary failure in
name resolution at java_net_InetAddress
Java代码:System.out.println("Host Name: " + InetAddress.getLocalHost().getHostName(InetAddress.java:1473)Caused by: java.net.UnknownHostException: ThinkPad-Edge-E430Name or service not known
at java.net.I
在我的Java应用程序中,我需要一次获得多个连接的ping,我尝试为每个连接使用一个线程并测量响应时间,但它们似乎并不都是正确的。Thread thread = new Thread(new Runnable() { long start = System.currentTimeMillis(); long timeTaken = System.curren