? Access to DialectResolutionInfo cannot be null when ‘hibernate.dialect‘ not set

很奇怪，原本好好的服务，突然启动报错了！！??
不知道为啥，只能先解决问题

报错信息

Caused by: org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set
	at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.determineDialect(DialectFactoryImpl.java:100)
	at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.buildDialect(DialectFactoryImpl.java:54)
	at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:137)
	at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35)
	at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:94)
	at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:263)
	... 36 common frames omitted

在这里插入图片描述

解决方案

application.properties配置文件中添加：

#使用mysql的
spring.jpa.database-platform=org.hibernate.dialect.MySQLDialect
# 这个是pgsql的
# spring.jpa.database-platform=org.hibernate.dialect.PostgreSQLDialect

如果配置配置仍然不生效，建议点击附录中链接，也许能帮助你

附录

https://stackoverflow.com/questions/26548505/org-hibernate-hibernateexception-access-to-dialectresolutioninfo-cannot-be-null