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1、新建SpringBoot项目，如下图：
2、项目创建成功后，查看pom.xml有一个 Unknown error的异常，如图：
这里需要在properties中加入一个配置信息，代码如下：
<maven-jar-plugin.version>3.1.1</maven-jar-plugin.version>
形成的pom.xml文件内容为:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.1.5.RELEASE</version><relativePath/> <!-- lookup parent from repository --></parent><groupId>com.workflow</groupId><artifactId>sprint-test</artifactId><version>0.0.1-SNAPSHOT</version><name>sprint-test</name><description>Demo project for Spring Boot</description><properties><java.version>1.8</java.version><maven-jar-plugin.version>3.1.1</maven-jar-plugin.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.mybatis.spring.boot</groupId><artifactId>mybatis-spring-boot-starter</artifactId><version>2.0.1</version></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><scope>runtime</scope></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>
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