[MC-15959] Blocks I break instantly reappear

In all modes in Minecraft this always happens, when I break a block, it al ways reappears .Then I have to mine the block 10 times to break it.

Comments 2

This ticket is invalid as it relates to a modded or 3rd party client/server.

Any non-standard client/server build needs to be taken up with the appropriate team, not Mojang.
Any plugin issues need to be addressed to the plugin creator.
This site is for addressing issues related to the base unmodded MineCraft.

Uinstall Optifine, On my PC using Optifine alway's cause's that, so try with a fresh jar file.