[Spring boot] Cannot load driver class: org.mysql.cj.jdbc.Driver

 

mysql 연결하다가 맞닥뜨린 에러다.

 

org.springframework.beans.factory.BeanCreationException: Error creating bean with name
'entityManagerFactory' defined in class path resource
[org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: 
Failed to initialize dependency 'dataSourceScriptDatabaseInitializer' of
LoadTimeWeaverAware bean 'entityManagerFactory': Error creating bean with name
'dataSourceScriptDatabaseInitializer' defined in class path resource
[org/springframework/boot/autoconfigure/sql/init/DataSourceInitializationConfiguration.class]: 
Unsatisfied dependency expressed through method 'dataSourceScriptDatabaseInitializer' 
parameter 0: Error creating bean with name 'dataSource' defined in class path resource
[org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: 
Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource'
threw exception with message: Cannot load driver class: org.mysql.cj.jdbc.Driver

에러메세지를 읽어보면

마지막 줄에 Cannot load driver class:org.mysql.cj.jdbc.Driver 라고 쓰여있다.

 

 

 

 

build.gradle에

runtileOnly 'com.mysql:mysql-connector-j' 

작성

 

 

application.properties에

spring.data.source.driver-class-name=com.mysql.cj.jdbc.Driver 

작성 

 

org.mysql.cj.jdbc.Driver 가 아니었던 것