@panchenko i'm on eclipse Kepler (20130320-2352). I've cloned the projects from github and imported them into my workspace. All i have customized from the default workspace is to set error reporting for the `API Baselines` to ignore.

Java compiler for all projects has been set to `J2SE-1.5` automatically after importing them.

The method which throws the exception is `TemporaryFolder.newFolder(..)` from `Junit 4.11`.