Pessoal, eu estou fazendo um trabalho semelhante ao que se apresenta aqui. Só que eu não consigo conectar ao banco. Vou passar os codigos:
2018-06-18 10:21:11.512 INFO 7509 --- [ main] br.com.jp.Conf : Starting Conf on vinicius-VPCEG17FB with PID 7509 (/home/vinicius/workspace/prova-semob/target/classes started by vinicius in /home/vinicius/workspace/prova-semob)
2018-06-18 10:21:11.520 INFO 7509 --- [ main] br.com.jp.Conf : No active profile set, falling back to default profiles: default
2018-06-18 10:21:11.990 INFO 7509 --- [ main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@708f5957: startup date [Mon Jun 18 10:21:11 BRT 2018]; root of context hierarchy
2018-06-18 10:21:14.686 INFO 7509 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [class org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$6d1f69a0] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2018-06-18 10:21:15.514 INFO 7509 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8080 (http)
2018-06-18 10:21:15.537 INFO 7509 --- [ main] o.apache.catalina.core.StandardService : Starting service Tomcat
2018-06-18 10:21:15.539 INFO 7509 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet Engine: Apache Tomcat/8.5.5
2018-06-18 10:21:15.915 INFO 7509 --- [ost-startStop-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2018-06-18 10:21:15.915 INFO 7509 --- [ost-startStop-1] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 3944 ms
2018-06-18 10:21:16.136 INFO 7509 --- [ost-startStop-1] o.s.b.w.servlet.ServletRegistrationBean : Mapping servlet: 'dispatcherServlet' to [/]
2018-06-18 10:21:16.141 INFO 7509 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'characterEncodingFilter' to: [/*]
2018-06-18 10:21:16.142 INFO 7509 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2018-06-18 10:21:16.142 INFO 7509 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2018-06-18 10:21:16.142 INFO 7509 --- [ost-startStop-1] o.s.b.w.servlet.FilterRegistrationBean : Mapping filter: 'requestContextFilter' to: [/*]
2018-06-18 10:21:16.196 INFO 7509 --- [ main] o.s.j.d.DriverManagerDataSource : Loaded JDBC driver: com.mysql.jdbc.Driver
2018-06-18 10:21:16.374 WARN 7509 --- [ main] ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean]: Factory method 'entityManagerFactory' threw exception; nested exception is java.lang.NoSuchMethodError: org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.setPersistenceUnitRootLocation(Ljava/lang/String;)V
2018-06-18 10:21:16.386 INFO 7509 --- [ main] o.apache.catalina.core.StandardService : Stopping service Tomcat
2018-06-18 10:21:16.416 INFO 7509 --- [ main] utoConfigurationReportLoggingInitializer :
Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled.
2018-06-18 10:21:16.428 ERROR 7509 --- [ main] o.s.boot.SpringApplication : Application startup failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframewor