如下所示，将spring-boot-starter-tomcat依赖中的<scope>provided</scope>注释掉
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<!--<scope>provided</scope>-->
</dependency>
如下所示，将spring-boot-starter-tomcat依赖中的<scope>provided</scope>注释掉
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<!--<scope>provided</scope>-->
</dependency>
IDEA启动Springboot时，解决报错java.lang.NoClassDefFoundError: javax/servlet/Filter
原文：https://www.cnblogs.com/qianzf/p/11818732.html