[Upon pressing play it acts like loading and then nothing happens]

So before I uninstalled everything and reinstalled i try deleting the version.json of the modpack I attempted to load up and play. That being said here is the console log of what happens upon hitting play. Just wondering if i could get some help understanding the issue so it can be resolved and i can use the launcher/play.

https://pastebin.com/nBnQBunn

[Hosting.]

I am planning on pay for a dedicated server and am wondering what server hosting companys do mods instead of bukkit. If you could reply to this with links to the sites. It would be greatly appreciated.