org.hibernate.HibernateException: Unable to determine Dialect without JDBC metadata
Asked on October 13, 2023
My application is Spring Boot using MySQL. I when run application, I am getting following error.
Caused by: org.hibernate.HibernateException: Unable to determine Dialect without JDBC metadata (please set 'javax.persistence.jdbc.url', 'hibernate.connection.url', or 'hibernate.dialect')
at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.determineDialect(DialectFactoryImpl.java:188) ~[hibernate-core-6.2.7.Final.jar:6.2.7.Final]
at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.buildDialect(DialectFactoryImpl.java:87) ~[hibernate-core-6.2.7.Final.jar:6.2.7.Final]
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:274) ~[hibernate-core-6.2.7.Final.jar:6.2.7.Final]
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:34) ~[hibernate-core-6.2.7.Final.jar:6.2.7.Final]
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:119) ~[hibernate-core-6.2.7.Final.jar:6.2.7.Final]
at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:264) ~[hibernate-core-6.2.7.Final.jar:6.2.7.Final]
... 34 common frames omitted
Replied on October 13, 2023
1. Check if you have started MySQL server.
2. In Spring Boot application.properties file.
spring.datasource.url=jdbc:mysql://localhost/yourdb
spring.datasource.username=root
spring.datasource.password=pwd
spring.datasource.username=root
spring.datasource.password=pwd
3. In pom.xml
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.32</version>
</dependency>
