Maven , build-failure-erreur plugin

mvn spring-boot:run

 Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.5.9.RELEASE:run (default-cli) on project spring-todo: An exception occurred while running. null: InvocationTargetException: Error creating bean with name 'org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Tomcat.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.tomcat.jdbc.pool.DataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class:com.mysql.cj.jdbc.Driver

<name>spring-todo</name>

<description>Application de-gestion de tache</description>

<parent><groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.9.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>

<properties>		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>

<dependencies>
<!https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
	
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>

<dependency>		<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>

<!-- JPA Data (We are going to use Repositories, Entities, Hibernate, etc...) -->
<dependency>		<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
		
<dependency>
 <groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId> </dependency>

</dependencies>

	
<build>
<plugins>
	<plugin>				<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
 <execution>
    <goals>						<goal>repackage</goal>
    </goals>
</execution>
</executions>
		</plugin>
</plugins>
	</build>
</project>

server.port=8585
spring.jpa.hibernate.ddl-auto=none
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://db_mysql:3306/gestiontache
spring.datasource.username=springtodo
spring.datasource.password=uvsq