Tomcat出现 Cannot assign requested address的解决方法

java.net.BindException: Cannot assign requested address
        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.<init>(ServerSocket.java:185)
        at org.apache.catalina.core.StandardServer.await(StandardServer.java:373)
        at org.apache.catalina.startup.Catalina.await(Catalina.java:662)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:614)
        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)

 

修改/etc/hosts文件 加入

127.0.0.1　　localhost

出现以上原因是主机将localhost解析到其它的IP上了，可以用ping localhost试试就知道，我们加入的那行是指定将localhost解析到127.0.0.1上。