: If you are behind a corporate firewall, you may need to configure proxy settings in both IntelliJ IDEA and your Maven settings.xml file. Maven tool window | IntelliJ IDEA Documentation - JetBrains
: Expand this node to see all plugins currently active in your project. intellij download maven plugins
To download a specific plugin, you must declare it within the section of your pom.xml . in the root of your project. : If you are behind a corporate firewall,