我正在尝试通过spring-jpa运行使用hibernate的spring-boot应用程序，但我收到此错误:Causedby:org.hibernate.HibernateException:AccesstoDialectResolutionInfocannotbenullwhen'hibernate.dialect'notsetatorg.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.determineDialect(DialectFactoryImpl.java:104)atorg.hibernate.engi
