镜像加速
阿里云 华为云都可以
<mirrors>
<mirror>
<id>aliyunmaven</id>
<mirrorOf>*</mirrorOf>
<name>阿里云公共仓库</name>
<url>https://maven.aliyun.com/repository/public</url>
</mirror>
</mirrors>
profile方法
<profiles>
<profile>
<id>huaweicloud</id>
<repositories>
<repository>
<id>huaweicloud</id>
<url>https://repo.huaweicloud.com/repository/maven/</url>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
</snapshots>
</repository>
<repository>
<id>spring</id>
<url>https://maven.aliyun.com/repository/spring</url>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
</snapshots>
</repository>
<repository>
<id>maven2</id>
<url>https://repo1.maven.org/maven2/</url>
<releases>
<enabled>true</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
</snapshots>
</repository>
</profiles>
maven工具的设置
在系统变量里增加,windows用环境变量,linux用.bash_profile
export MAVEN_OPTS="-Xms1g -Xmx1g"