WARNING: No entry currently exis

jenkins添加从节点报WARNING: No entry currently exists in the Known Hosts file for this host

解决方法：
在从节点安装java
主节点和从节点机器中，JDK和MAVNE的版本和安装路径需保持一致

配置：
启动方式：Launch agent agents via SSH
Credentials：登录从节点机器 linux系统的账号和密码
Host Key Verification Strategy： Known Hosts file Verification Strategy