开启了linux的zookeeper服务，启动e3-manager时发现出现com.alibaba.dubbo.rpc.RpcException: Fail to start server(url: dubbo://192.16...这个错误，网上的资料真是误导人啊，最后发现防火墙木有关，关掉就好了
systemctl stop firewalld.service
setenforce 0
com.alibaba.dubbo.rpc.RpcException: Fail to start server(url: dubbo://192.16。。