严重: StandardServer.await: create[8005]: 
java.net.BindException: Cannot assign requested address: JVM_Bind
 at java.net.PlainSocketImpl.socketBind(Native Method)
 at java.net.PlainSocketImpl.bind(PlainSocketImpl.java:359)
 at java.net.ServerSocket.bind(ServerSocket.java:319)
 at java.net.ServerSocket.(ServerSocket.java:185)
 at org.apache.catalina.core.StandardServer.await(StandardServer.java:406)
 at org.apache.catalina.startup.Catalina.await(Catalina.java:676)
 at org.apache.catalina.startup.Catalina.start(Catalina.java:628)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:597)
 at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
 at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)

127.0.0.1    localhost
169.196.254.14  localhost

//输出localhost映射的所有IP地址
InetAddress[] ips = InetAddress.getAllByName("localhost");
if (ips != null) {
  for (InetAddress ip : ips) {
    System.out.println(ip.getHostAddress());
  }
}
/* 修改上述hosts文件前，输出：
* 169.196.254.14
* 127.0.0.1
* 修改文件后，输出
* 127.0.0.1
*/