2022-02-19 14:37:03,731 INFO The server IP list of Nacos is []

2022-02-19 14:37:04,737 INFO Nacos is starting...

2022-02-19 14:37:05,749 INFO Nacos is starting...

2022-02-19 14:37:06,764 INFO Nacos is starting...

java.io.IOException: java.lang.IllegalArgumentException: db.num is null
        at com.alibaba.nacos.config.server.service.datasource.ExternalDataSourceServiceImpl.reload(ExternalDataSourceServiceImpl.java:134)
        at com.alibaba.nacos.config.server.service.datasource.ExternalDataSourceServiceImpl.init(ExternalDataSourceServiceImpl.java:106)

解决办法

在nacos文件bin目录下 D:\nacos\bin 输入cmd

 输入命令 startup.cmd -m standalone 执行