persistence.xml

<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
  http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
	version="2.1">

	<persistence-unit name="dev">
		<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
		<shared-cache-mode>ENABLE_SELECTIVE</shared-cache-mode>      <!-- for caching -->
		<properties>
			<property name="javax.persistence.jdbc.driver"
				value="com.mysql.cj.jdbc.Driver" />
			<property name="javax.persistence.jdbc.url"
				value="jdbc:mysql://localhost:3306/*****" />
			<property name="javax.persistence.jdbc.user" value="****" />
			<property name="javax.persistence.jdbc.password"
				value="****" />
			<property name="hibernate.show_sql" value="true" />

			<property name="hibernate.hbm2ddl.auto" value="update" />
			<property name="hibernate.dialect"
				value="org.hibernate.dialect.MySQL8Dialect" />
		</properties>
	</persistence-unit>
</persistence>