Springboot Project Database error logging

1. URL must start with ' JDBC '

Checking configuration statements in configuration files for errors

2. Unknown system variable ' query_cache_size '

The database version does not match the driver and modifies the MySQL dependency based on the installed database version (add the specified version after the dependency)

3. The server time zone value '? D1ú±êx?ê±?? ' is unrecognized or represents more than one time zone.

Database time zone is inconsistent, add SERVERTIMEZONE=UTC after database configuration (url:jdbc:mysql://127.0.0.1/sell?characterencoding=utf-8&usessl=false &SERVERTIMEZONE=UTC)

4, Javax.xml.bind.JAXBException

Jdk9 not compatible with JDK8, add Jaxb-api Package

Springboot Project Database error logging