Sometimes inside corporate networks you may not have direct access to the Internet, but only through a proxy. In this article, we will look at how to use maven through a proxy.
1. Register proxy in settings
You need to ensure the proxies section in either the global settings (maven dir/conf/settings.xml), or user settings (${user.home}/.m2/settings.xml) is configured correctly. It is better to do this in your user settings to avoid storing the password in plain text in a public location.
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[...] <proxies> <proxy> <active>true</active> <protocol>http</protocol> <host>proxy.somewhere.com</host> <port>8080</port> <username>proxyuser</username> <password>somepassword</password> <nonProxyHosts>www.google.com|*.somewhere.com</nonProxyHosts> </proxy> </proxies> [...] |
2. Set MAVEN_OPTS environment variable
Linux (bash):
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export MAVEN_OPTS="-Dhttp.proxyHost=<host> -Dhttp.proxyPort=<port> -Dhttps.proxyHost=<host> -Dhttps.proxyPort=<port>" |
Windows:
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set MAVEN_OPTS="-Dhttp.proxyHost=<host> -Dhttp.proxyPort=<port> -Dhttps.proxyHost=<host> -Dhttps.proxyPort=<port>" |
