03_javaweb基础_《springboot项目踩坑记录01》

遇到的坑：

2.maven配置的plugins的包下面报红线

解决办法：
https://www.cnblogs.com/best-lwj/articles/9221309.html

删除所有以lastUpdated结尾的文件
重新点击reimport即可

3.pdf的配置直接粘贴到pom文件和xml文件，然后昨天pom文件报错，今天xml文件报错
我错了 低级问题联系两个坑 估计这辈子都忘不了了emmmm

4.Maven run 的时候错误
Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.0.6.RELEASE:repackage (default) on project spring-boot-01-hello: Execution default of goal org.springframework.boot:spring-boot-maven-plugin:2.0.6.RELEASE:repackage failed: Plugin org.springframework.boot:spring-boot-maven-plugin:2.0.6.RELEASE or one of its dependencies could not be resolved: Failed to collect dependencies at org.springframework.boot:spring-boot-maven-plugin:jar:2.0.6.RELEASE -> org.apache.maven:maven-archiver:jar:2.6 -> org.codehaus.plexus:plexus-archiver:jar:2.8.1: Failed to read artifact descriptor for org.codehaus.plexus:plexus-archiver:jar:2.8.1: Could not transfer artifact org.codehaus.plexus:plexus-components:pom:1.3 from/to alimaven (http://maven.aliyun.com/nexus/content/groups/public/): maven.aliyun.com: Unknown host maven.aliyun.com -> [Help 1]
[ERROR]

莫名其妙好了，可能是因为加了依赖：

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 <properties>
        <start-class>
        com.mengxuegu.springboot.HelloMainApplication
        </start-class>
        <project.build.sourceEncoding>
        UTF-8
        </project.build.sourceEncoding>
        <project.reporting.outputEncoding>
        UTF-8
        </project.reporting.outputEncoding>
        <java.version>
        1.8
        </java.version>
</properties>