[MC-81888] Cannot create new worlds, just crashes.

Simply, trying to create a new world, i click 'Generate World' starts loading with the 'Dirt' load screen but just crashes.

[crash report linked]
Crash Report: http://pastebin.com/QwCtD7yW

Thanks,
TelitopMC (Callum)

Related issues

duplicates

MC-34749 Hopper: java.lang.IllegalStateException: failed to create a child event loop - Caused by AntiVirus / Firewall software

Comments

migrated 2015-06-29T18:39:33Z

Thank you for your report.
However, your ticket has been resolved as a duplicate.

This issue has been linked to the original bugreport: MC-34749. You can find or add further information on that report.
Please search before reporting any bugs, as it's likely that one exists already.