Joe0/MoparClassic — comment on commit cde9adddd5a3f9df26229b1610074dbddbdb4991
File: LoginServer/src/org/moparscape/msc/ls/packethandler/loginserver/PlayerSaveHandler.java line 39
By Nemmyz:

Instead of reading it as long, why not read it as an int? because maximum experience that a player can get limits to 20M xp, and integer is enough for that.