因为导入依赖时jar包重了，用mvn dependency:tree在这里打印出所有依赖的结构

 得到所有的依赖：搜索报错时有个路径里面有jar包的名称，把重的删了，再运行

mvn dependency:tree
[INFO] com.example:WellNewsServer:jar:0.0.1-SNAPSHOT
[INFO] +- org.springframework.boot:spring-boot-starter-jdbc:jar:2.5.3-SNAPSHOT:compile
[INFO] |  +- org.springframework.boot:spring-boot-starter:jar:2.5.3-SNAPSHOT:compile
[INFO] |  |  +- org.springframework.boot:spring-boot-starter-logging:jar:2.5.3-SNAPSHOT:compile
[INFO] |  |  |  +- ch.qos.logback:logback-classic:jar:1.2.3:compile
[INFO] |  |  |  |  \- ch.qos.logback:logback-core:jar:1.2.3:compile
[INFO] |  |  |  +- org.apache.logging.log4j:log4j-to-slf4j:jar:2.14.1:compile
[INFO] |  |  |  |  \- org.apache.logging.log4j:log4j-api:jar:2.14.1:compile
[INFO] |  |  |  \- org.slf4j:jul-to-slf4j:jar:1.7.31:compile
[INFO] |  |  +- jakarta.annotation:jakarta.annotation-api:jar:1.3.5:compile
[INFO] |  |  \- org.yaml:snakeyaml:jar:1.28:compile
[INFO] |  +- com.zaxxer:HikariCP:jar:4.0.3:compile
[INFO] |  \- org.springframework:spring-jdbc:jar:5.3.9:compile
[INFO] |     \- org.springframework:spring-tx:jar:5.3.9:compile
[INFO] +- org.mybatis.spring.boot:mybatis-spring-boot-starter:jar:2.1.4:compile
[INFO] |  +- org.mybatis.spring.boot:mybatis-spring-boot-autoconfigure:jar:2.1.4:compile
[INFO] |  +- org.mybatis:mybatis:jar:3.5.6:compile
[INFO] |  \- org.mybatis:mybatis-spring:jar:2.0.6:compile
[INFO] +- org.springframework.boot:spring-boot-starter-web:jar:2.0.2.RELEASE:compile
[INFO] |  +- org.springframework.boot:spring-boot-starter-json:jar:2.5.3-SNAPSHOT:compile
[INFO] |  |  +- com.fasterxml.jackson.core:jackson-databind:jar:2.12.4:compile
[INFO] |  |  |  +- com.fasterxml.jackson.core:jackson-annotations:jar:2.12.4:compile
[INFO] |  |  |  \- com.fasterxml.jackson.core:jackson-core:jar:2.12.4:compile
[INFO] |  |  +- com.fasterxml.jackson.datatype:jackson-datatype-jdk8:jar:2.12.4:compile
[INFO] |  |  +- com.fasterxml.jackson.datatype:jackson-datatype-jsr310:jar:2.12.4:compile
[INFO] |  |  \- com.fasterxml.jackson.module:jackson-module-parameter-names:jar:2.12.4:compile
[INFO] |  +- org.springframework.boot:spring-boot-starter-tomcat:jar:2.5.3-SNAPSHOT:compile
[INFO] |  |  +- org.apache.tomcat.embed:tomcat-embed-core:jar:9.0.50:compile
[INFO] |  |  +- org.apache.tomcat.embed:tomcat-embed-el:jar:9.0.50:compile
[INFO] |  |  \- org.apache.tomcat.embed:tomcat-embed-websocket:jar:9.0.50:compile
[INFO] |  +- org.hibernate.validator:hibernate-validator:jar:6.2.0.Final:compile
[INFO] |  |  +- jakarta.validation:jakarta.validation-api:jar:2.0.2:compile
[INFO] |  |  +- org.jboss.logging:jboss-logging:jar:3.4.2.Final:compile
[INFO] |  |  \- com.fasterxml:classmate:jar:1.5.1:compile
[INFO] |  \- org.springframework:spring-webmvc:jar:5.3.9:compile
[INFO] |     +- org.springframework:spring-aop:jar:5.3.9:compile
[INFO] |     +- org.springframework:spring-context:jar:5.3.9:compile
[INFO] |     \- org.springframework:spring-expression:jar:5.3.9:compile
[INFO] +- com.baomidou:mybatis-plus-boot-starter:jar:3.4.1:compile
[INFO] |  +- com.baomidou:mybatis-plus:jar:3.4.1:compile
[INFO] |  \- org.springframework.boot:spring-boot-autoconfigure:jar:2.5.3-SNAPSHOT:compile
[INFO] +- org.springframework.experimental:spring-native:jar:0.10.2-SNAPSHOT:compile
[INFO] +- org.springframework.boot:spring-boot-devtools:jar:2.5.3-SNAPSHOT:runtime (optional) 
[INFO] |  \- org.springframework.boot:spring-boot:jar:2.5.3-SNAPSHOT:compile
[INFO] +- mysql:mysql-connector-java:jar:8.0.25:runtime
[INFO] +- com.baomidou:mybatis-plus-generator:jar:3.2.0:compile
[INFO] |  \- com.baomidou:mybatis-plus-extension:jar:3.2.0:compile
[INFO] |     \- com.baomidou:mybatis-plus-core:jar:3.2.0:compile
[INFO] |        +- com.baomidou:mybatis-plus-annotation:jar:3.2.0:compile
[INFO] |        \- com.github.jsqlparser:jsqlparser:jar:2.1:compile
[INFO] +- commons-lang:commons-lang:jar:2.6:compile
[INFO] +- org.freemarker:freemarker:jar:2.3.28:compile
[INFO] +- com.alibaba:fastjson:jar:1.2.47:compile
[INFO] +- org.springframework.boot:spring-boot-configuration-processor:jar:2.5.3-SNAPSHOT:compile (optional) 
[INFO] +- com.alibaba:druid-spring-boot-starter:jar:1.1.17:compile
[INFO] |  +- com.alibaba:druid:jar:1.1.17:compile
[INFO] |  \- org.slf4j:slf4j-api:jar:1.7.31:compile
[INFO] +- org.projectlombok:lombok:jar:1.18.20:compile (optional) 
[INFO] +- org.springframework.boot:spring-boot-starter-test:jar:2.5.3-SNAPSHOT:test
[INFO] |  +- org.springframework.boot:spring-boot-test:jar:2.5.3-SNAPSHOT:test
[INFO] |  +- org.springframework.boot:spring-boot-test-autoconfigure:jar:2.5.3-SNAPSHOT:test
[INFO] |  +- com.jayway.jsonpath:json-path:jar:2.5.0:test
[INFO] |  |  \- net.minidev:json-smart:jar:2.4.7:test
[INFO] |  |     \- net.minidev:accessors-smart:jar:2.4.7:test
[INFO] |  |        \- org.ow2.asm:asm:jar:9.1:test
[INFO] |  +- jakarta.xml.bind:jakarta.xml.bind-api:jar:2.3.3:test
[INFO] |  |  \- jakarta.activation:jakarta.activation-api:jar:1.2.2:test
[INFO] |  +- org.assertj:assertj-core:jar:3.19.0:test
[INFO] |  +- org.hamcrest:hamcrest:jar:2.2:test
[INFO] |  +- org.junit.jupiter:junit-jupiter:jar:5.7.2:test
[INFO] |  |  +- org.junit.jupiter:junit-jupiter-api:jar:5.7.2:test
[INFO] |  |  |  +- org.apiguardian:apiguardian-api:jar:1.1.0:test
[INFO] |  |  |  +- org.opentest4j:opentest4j:jar:1.2.0:test
[INFO] |  |  |  \- org.junit.platform:junit-platform-commons:jar:1.7.2:test
[INFO] |  |  +- org.junit.jupiter:junit-jupiter-params:jar:5.7.2:test
[INFO] |  |  \- org.junit.jupiter:junit-jupiter-engine:jar:5.7.2:test
[INFO] |  |     \- org.junit.platform:junit-platform-engine:jar:1.7.2:test
[INFO] |  +- org.mockito:mockito-core:jar:3.9.0:test
[INFO] |  |  +- net.bytebuddy:byte-buddy:jar:1.10.22:test
[INFO] |  |  +- net.bytebuddy:byte-buddy-agent:jar:1.10.22:test
[INFO] |  |  \- org.objenesis:objenesis:jar:3.2:test
[INFO] |  +- org.mockito:mockito-junit-jupiter:jar:3.9.0:test
[INFO] |  +- org.skyscreamer:jsonassert:jar:1.5.0:test
[INFO] |  |  \- com.vaadin.external.google:android-json:jar:0.0.20131108.vaadin1:test
[INFO] |  +- org.springframework:spring-core:jar:5.3.9:compile
[INFO] |  |  \- org.springframework:spring-jcl:jar:5.3.9:compile
[INFO] |  +- org.springframework:spring-test:jar:5.3.9:test
[INFO] |  \- org.xmlunit:xmlunit-core:jar:2.8.2:test
[INFO] \- org.springframework:spring-web:jar:5.3.9:compile
[INFO]    \- org.springframework:spring-beans:jar:5.3.9:compile