maven setting

<?xml version="1.0" encoding="utf-8"?> <settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">     <localRepository>D:/Program Files/repository</localRepository>         <pluginGroups>               <pluginGroup>org.mortbay.jetty</pluginGroup>     </pluginGroups>          <proxies>               </proxies>          <servers>         <server>             <id>releases</id>             <username>ali</username>             <password>ali</password>         </server>         <server>             <id>Snapshots</id>             <username>ali</username>             <password>ali</password>         </server>     </servers>           <mirrors>         <mirror>             <!--This sends everything else to /public -->             <id>nexus</id>             <mirrorOf>*</mirrorOf>             <url>http://maven.aliyun.com/nexus/content/groups/public/</url>         </mirror>         <mirror>             <!--This is used to direct the public snapshots repo in the           profile below over to a different nexus group -->             <id>nexus-public-snapshots</id>             <mirrorOf>public-snapshots</mirrorOf>             <url>http://maven.aliyun.com/nexus/content/repositories/snapshots/</url>         </mirror>     </mirrors>       <profiles>         <profile>             <id>development</id>             <repositories>                 <repository>                     <id>central</id>                     <url>http://central</url>                     <releases>                         <enabled>true</enabled>                         <updatePolicy>always</updatePolicy>                     </releases>                     <snapshots>                         <enabled>true</enabled>                         <updatePolicy>always</updatePolicy>                     </snapshots>                 </repository>             </repositories>             <pluginRepositories>                 <pluginRepository>                     <id>central</id>                     <url>http://central</url>                     <releases>                         <enabled>true</enabled>                         <updatePolicy>always</updatePolicy>                     </releases>                     <snapshots>                         <enabled>true</enabled>                         <updatePolicy>always</updatePolicy>                     </snapshots>                 </pluginRepository>             </pluginRepositories>         </profile>         <profile>             <!--this profile will allow snapshots to be searched when activated-->             <id>public-snapshots</id>             <repositories>                 <repository>                     <id>public-snapshots</id>                     <url>http://public-snapshots</url>                     <releases>                         <enabled>false</enabled>                     </releases>                     <snapshots>                         <enabled>true</enabled>                         <updatePolicy>always</updatePolicy>                     </snapshots>                 </repository>             </repositories>             <pluginRepositories>                 <pluginRepository>                     <id>public-snapshots</id>                     <url>http://public-snapshots</url>                     <releases>                         <enabled>false</enabled>                     </releases>                     <snapshots>                         <enabled>true</enabled>                         <updatePolicy>always</updatePolicy>                     </snapshots>                 </pluginRepository>             </pluginRepositories>         </profile>     </profiles>     <activeProfiles>         <activeProfile>development</activeProfile>         <activeProfile>public-snapshots</activeProfile>     </activeProfiles> </settings>