替换为其他嵌入式Servlet容器
Jetty：
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<exclusions>
<exclusion>
<artifactId>spring-boot-starter-tomcat</artifactId>
<groupId>org.springframework.boot</groupId>
</exclusion>
</exclusions>
</dependency>
<!--引入其他的Servlet -->
<dependency>
<artifactId>spring‐boot‐starter‐jetty</artifactId>
<groupId>org.springframework.boot</groupId>
</dependency>
Undertow：
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<exclusions>
<exclusion>
<artifactId>spring-boot-starter-tomcat</artifactId>
<groupId>org.springframework.boot</groupId>
</exclusion>
</exclusions>
</dependency>
<!--引入其他的Servlet -->
<dependency>
<artifactId>spring‐boot‐starter‐undertow<</artifactId>
<groupId>org.springframework.boot</groupId>
</dependency>
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原文：https://www.cnblogs.com/lyh233/p/12539869.html