<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
<exclusions>
<exclusion>
<groupId>com.zaxxer</groupId>
<artifactId>HikariCP</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.tomcat</groupId>
<artifactId>tomcat-jdbc</artifactId>
</dependency>
但是,hikari问题可能与默认的连接池小尺寸有关。因此,通过此更改也可以解决此问题,但我自己无法验证。只是为别人注意。像这样:
spring.datasource.hikari.connection-timeout=60000
spring.datasource.hikari.maximum-pool-size=5