https://blog.csdn.net/imjcoder/article/details/78725267

<dependency>

<groupId>org.springframework.cloud</groupId>

<artifactId>spring-cloud-starter-eureka-server</artifactId>

<exclusions>

<exclusion>

<groupId>javax.servlet</groupId>

<artifactId>servlet-api</artifactId>

</exclusion>

</exclusions>

</dependency>

jar包冲突