Windows 8.1 x64
java version "1.7.0_51"
Java(TM) SE Runtime Environment (build 1.7.0_51-b13)
Java HotSpot(TM) 64-Bit Server VM (build 24.51-b03, mixed mode)
This command give an object which crashes the game :
This command give an object which doesn't crash the game :
The firework is given to the player but when it is hovered to see the tooltip, The game crashes with the bug report I joined.