can't import bigger maven/git project to jbds

JBDS can't import sources of Apache Camel (maven project)
https://github.com/apache/camel

Steps to reproduce:
Clone it's git repo

git clone git@github.com:apache/camel.git

In jbds File -> Import Existing maven project
Unselect "resolve workspace projects"
Watch all CPU cores load on 100 % (tested on lenovo T440s / Intel i7 / Fedora 23)
Wait for error message (~20 minutes)

An internal error occurred during: "Importing Maven projects".
    Java heap space