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Running the root pom on almost all the projects under - for example - RHEL 7.3 - you should be able to build the entire ONAP system and also import/build them in IntelliJ
Import the root pom.xml of the project or the entire onap as a maven project
Try to be outside your company firewall and proxy - otherwise open your firewall for the following ports as required
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Verify you have access to Git, Gerrit (port), Nexus, JIRA and Jenkins, Sonar, biterg for your Linux Foundation ID see http://onap.readthedocs.io/en/latest/index.html
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