Put the summary of the bug you're having here
What I expected to happen was that i would kill the spider with my sword
Describe what you thought should happen here
What actually happened was i were out and i had made a new iron sword an it broke at the first spider i attacked
Describe what happened here
Environment
Put your operating system (Windows 7, Windows XP, OSX) and Java version if you know it here
Duplicate of MC-15416.