Restrict "RequestMessage" to 15000 chars.
Restrict "RequestMessage" to 15000 chars.

Plugin channel packets, per
https://dinnerbone.com/blog/2012/01/13/minecraft-plugin-channels-messaging/,
are limited to 32,766 bytes.  15000 chars = 30000 bytes, so this should
help avoid strange issues if you write something unbeleviably long.
Pokechu22/WorldDownloader-Serverside-Companion