Ao subir o spring, configurando para usar um banco MYSQL a conexão sobe e logo em seguida ela encerra. Isso já aconteceu com alguém aqui ?
Closing JPA EntityManagerFactory for persistence unit 'default'
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:: Spring Boot :: (v2.4.3)
2021-03-01 10:00:57.971 INFO 10432 --- [ main] b.c.f.spring.data.SpringDataApplication : Starting SpringDataApplication using Java 1.8.0_171 on Felipe-PC with PID 10432 (C:\Users\Felipe\eclipse-workspace\spring-data\target\classes started by Felipe in C:\Users\Felipe\eclipse-workspace\spring-data)
2021-03-01 10:00:57.974 INFO 10432 --- [ main] b.c.f.spring.data.SpringDataApplication : No active profile set, falling back to default profiles: default
2021-03-01 10:00:58.527 INFO 10432 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.
2021-03-01 10:00:58.545 INFO 10432 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 8 ms. Found 0 JPA repository interfaces.
2021-03-01 10:00:59.162 INFO 10432 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default]
2021-03-01 10:00:59.232 INFO 10432 --- [ main] org.hibernate.Version : HHH000412: Hibernate ORM core version 5.4.28.Final
2021-03-01 10:00:59.414 INFO 10432 --- [ main] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.1.2.Final}
2021-03-01 10:01:00.162 INFO 10432 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...
2021-03-01 10:01:01.172 INFO 10432 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.
2021-03-01 10:01:01.192 INFO 10432 --- [ main] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect
2021-03-01 10:01:02.026 INFO 10432 --- [ main] o.h.e.t.j.p.i.JtaPlatformInitiator : HHH000490: Using JtaPlatform implementation: [org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform]
2021-03-01 10:01:02.037 INFO 10432 --- [ main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
2021-03-01 10:01:02.171 INFO 10432 --- [ main] b.c.f.spring.data.SpringDataApplication : Started SpringDataApplication in 4.695 seconds (JVM running for 5.306)
2021-03-01 10:01:02.181 INFO 10432 --- [extShutdownHook] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
2021-03-01 10:01:02.185 INFO 10432 --- [extShutdownHook] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown initiated...
2021-03-01 10:01:02.200 INFO 10432 --- [extShutdownHook] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown completed.