【已解决】IDEA项目启动时Maven报错：Downgrade Maven to version 3.8.1 or earlier in settings

报错场景如下：

Possible solutions:

• Check that Maven pom files not contain http repository http://mvn.gt.igexin.com/nexus/content/repositories/releases/
• Check that Maven pom files not contain http repository http://repo1.maven.org/maven2
• Add a mirror(s) for http://mvn.gt.igexin.com/nexus/content/repositories/releases/, http://repo1.maven.org/maven2 that allows http url in the Maven settings.xml
• Downgrade Maven to version before 3.8.1 in settings

原因：IDEA的Maven和本地Maven冲突，需要修改IDEA Maven的配置文件。

只需要进入IDEA的安装目录下：

IntelliJ IDEA 2023.3\plugins\maven\lib\maven3\conf

找到settings文件

在文件中找到如下内容，然后注释掉：



maven-default-http-blocker

external:http:*

Pseudo repository to mirror external repositories initially using HTTP.

http://0.0.0.0/

true

之后再去IDEA刷新Maven就不会有问题了。