I was having this problem as well, running on Mac OS 10.10.5 (jre-x64/1.8.0_74). My work-around was to use the snapshot 1.9.2... which launched properly. I switched back to the Latest Version and now it launches properly.
Jason Player
I was having this problem as well, running on Mac OS 10.10.5 (jre-x64/1.8.0_74). My work-around was to use the snapshot 1.9.2... which launched properly. I switched back to the Latest Version and now it launches properly.