为什么用idea新创建的java ee项目会出现这种错误呀

Question

这是我新创建的java ee项目，没有进行任何修改

不知道应该怎么办，最近导入依赖都会有问题，无法导入，困扰很久了

希望最后可以正常运行，感谢

Answer 1

添加如下依赖

 <repositories>
        <repository>
            <id>central</id>
            <name>aliyun maven</name>
            <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
            <layout>default</layout>
            <!-- 是否开启发布版构件下载 -->
            <releases>
                <enabled>true</enabled>
            </releases>
            <!-- 是否开启快照版构件下载 -->
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>

详情参考我的博文
https://blog.csdn.net/qq_15604349/article/details/123065939?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522165172473916782246449450%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=165172473916782246449450&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_ecpm_v1~rank_v31_ecpm-1-123065939.nonecase&utm_term=%E5%90%95%E5%B8%83%E8%BE%95%E9%97%A8+maven&spm=1018.2226.3001.4450