Maven

set proxy in settings.xml:

 <settings>
   <proxies>
      <proxy>
         <id>my-proxy</id>
         <active>true</active>
         <protocol>http</protocol>
         <host>109.105.4.17</host>
         <port>8118</port>
      </proxy>
    </proxies>
</settings>
-----------------------------------------------

<proxy>
        <id>ss</id>
        <active>true</active>
        <protocol>socks5</protocol>
        <username></username>
        <password></password>
        <host>127.0.0.1</host>
        <port>1080</port>
        <nonProxyHosts>127.0.0.1</nonProxyHosts>
</proxy>