On each launch, Maven visits the remote repositories and checks for updates. Executing a Maven command can result in downloading new archives and changing Maven itself. When you switch to offline mode, Maven has to use those resources that are available locally, and report about the problems, if something is missing.
The offline mode is helpful, when you need to work offline, or when your network connection is slow.
The offline mode is helpful, when you need to work offline, or when your network connection is slow.
To toggle offline mode, do one of the following:
1.On the toolbar of the Maven Projects tool window, click button.
2.Open Maven Integration dialog, and in the General tab check the Work Offline option.