I also have this issue. To try and resolve it I uninstalled Java from my Mac (OS X El Capitan) and them re-installed using Homebrew & Cask. I then downloaded a new version of the launcher from Mojang.
Keith Strickland
I also have this issue. To try and resolve it I uninstalled Java from my Mac (OS X El Capitan) and them re-installed using Homebrew & Cask. I then downloaded a new version of the launcher from Mojang.