Conversion not supported for type java.time.LocalDateTime

After the springboot is started, use the postman access path to prompt the conversion not supported for type java.time.localdatetime error. Check the information on the Internet,

In the entity entity class, the localdatetime of the java8 feature requires that the MySQL connector java version should not be lower than 5.1.37, and the early POM file can run normally after being modified to version 5.3.7

<dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>5.3.7</version>
        </dependency>