java.rmi.ConnectException: Destination unreachable; nested exception is: java.net.ConnectException: Tried all: '1' addresses, but could not connect over HTTP to server: '127.0.0.1', port: '7001'; No available router to destination

1、测试、开发环境没问题。

2、t3 协议能访问

解决办法：开启http 通道，默认情况下是关闭状态。