I am trying to import a project in IntelliJ Idea 2016.1.1 using: File->Project from existing sources->choose the required pom.xml
It comes to this dialog bo
I know this is older issue, but today I also encountered this issue. In my case it was JDK unavailable (as my IntelliJ was pointing to external JDK which got updated and old path didn't exists). Nevertheless, the issue can be different for different people. The best way to tackle this problem is to check intelliJ logs, that will tell you exact issue it is facing and then proceed with its fix. I'm sure this will save your time and you will solve the issue very quickly.
How to locate idea.log file is here
P.S. May be when you read this post, the above link to locate idea.log file stale. So kindly get the updated link from IntelliJ jetbrains website (Look for idea.log file path)
OR follow the below steps:
1. Open intellij
2. Click on Help tab from menu-bar
3. Select Show log in Finder. Get the path to this path and do tail -f