所有maven镜像都一样吗?

Are all maven mirrors the same?

我在使用 mvn clean install 构建 janusgraph 示例时出现以下错误

[ERROR]     Non-resolvable parent POM for 
org.janusgraph:janusgraph-examples:[unknown-version]: 
Could not find artifact org.janusgraph:janusgraph:pom:0.4.0 in alimaven
 (http://maven.aliyun.com/nexus/content/groups/public/) 
and 'parent.relativePath' points at wrong local POM 
@ line 3, column 13 -> [Help 2]

根据报错,我打开了我的setting.xml的maven,镜像conf是

<mirrors>
    <mirror>
      <id>alimaven</id>
      <name>aliyun maven</name>
      <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
      <mirrorOf>central</mirrorOf>
    </mirror>
<mirrors>

说在这个镜像里找不到,请问换个镜像可以吗?所有的镜像都一样吗(网速除外)?

不,有大量不同内容的不同 Maven 存储库。不过,通常您会从 MavenCentral 获取大部分内容:

https://repo1.maven.org/maven2/