In 1.7 Snowballs, Eggs and Fishing Rods didn't do damage, however they caused "knockback". In snapshot 14w32a I noticed that for example snowballs couldn't hit Players. In 14w34d this bug is still there.
JocoloLP
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migrated
migrated
It's not only LAN, I tried it on a Vanilla Server.
Dupe of MC-3179