When breaking a double chest you get the animation of breaking for both chests however only the chest you are breaking actually breaks. Minec
Environment
Windows 7 - Java 1.7.0_55 64bit
Friend - Windoes 8 - Java 1.7.0-45 64 bit
Minecraft Realms Server
Minecraft Singleplayer
Works As Intended / Duplicate
MC-63556