1 2019-12-05 21:24:24.564 [main] ERROR org.apache.tomcat.jdbc.pool.ConnectionPool - Unable to create initial connections of pool.
解决：配置文件中
useSSL改成false
spring.datasource.url=jdbc:mysql://localhost:3306/upgrade?useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true&useSSL=false
2 ：com.netflix.discovery.DiscoveryClient - DiscoveryClient_TAL-PX-SOFTWARE/DESKTOP-G4144TO:tal-px-software:9321 - was unable to refresh its cache! status = Cannot execute request on any known server com.netflix.discovery.shared.transport.TransportException:
https://blog.csdn.net/zdyueguanyun/article/details/78088426
原文：https://www.cnblogs.com/wsnan/p/11992623.html