之前在配置 Maven 的 settings.xml 時,都會設定 mirror 節點,例如:
<mirrors>
<mirror>
<id>alimaven</id>
<name>aliyun maven</name>
<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
<mirrorOf>central</mirrorOf>
</mirror>
</mirrors>
然後第一想法就是在 mirrors 節點下多增加幾個 mirror,然而并不可以。正确的操作是在 profiles 節點下配置多個 profile,而且配置之後要激活。例如:
<profiles>
<profile>
<id>boundlessgeo</id>
<repositories>
<repository>
<id>boundlessgeo</id>
<url>https://repo.boundlessgeo.com/main/</url>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
</snapshots>
</repository>
</repositories>
</profile>
<profile>
<id>aliyun</id>
<repositories>
<repository>
<id>aliyun</id>
<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
</snapshots>
</repository>
</repositories>
</profile>
<profile>
<id>maven-central</id>
<repositories>
<repository>
<id>maven-central</id>
<url>http://central.maven.org/maven2/</url>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
</snapshots>
</repository>
</repositories>
</profile>
<profiles>
<activeProfiles>
<activeProfile>boundlessgeo</activeProfile>
<activeProfile>aliyun</activeProfile>
<activeProfile>maven-central</activeProfile>
</activeProfiles>