在分布式环境开发中经常会使用socket，或者使用rmi来对外提供服务，常用的办法是将写一个java代码，然后部署到服务器上，但是问题来了。如何将这个服务成为一个可靠的系统服务，不会应为风吹草动就挂了，那就不好了。所以想到使用apache commons 下面的daemon框架来充当守护进程。首先需要在系统中安装jsvc工具具体操作方法这里不作详细说明，请查看 http://commo...

问答 2016-02-05 来自：开发者社区

java用的jedis连接redis。reids是安装在虚拟机里面，ip是172.16.17.4，在本地能ping通虚拟机，并且xshell也能远程登录虚拟机。虚拟机内的redis服务正常，可以启动，并且执行命令没问题。在虚拟机外telnet+端口号连不上虚拟机；java连接不上redis。异常信息：·Caused by: redis.clients.jedis.exceptions.Jedis....

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