When you power a piston that is directly next to an ender crystal, the ender crystal appears to be pushed but actually is not. After reopening the world, the ender crystal appears at the position of the fire.
This can also cause the crystal to explode: https://www.youtube.com/watch?feature=player_detailpage&v=aXOCEnAPOks#t=180
How to reproduce
Place a piston
Place an ender crystal next to the piston that the piston is facing the crystal
Power the piston
The ender crystal will appear to move, but summoning an armor stand at its location will reveal that it didn't actually move
/execute @e[type=ender_crystal,r=15] ~ ~ ~ summon armor_stand
Can also be reproduced using shulkers.
Linked issues
is duplicated by 2
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Comments 7
Nope - fire isn't clientside, you can verify this with /testforblock. The piston arm reappears because that's what extended piston bases do when losing power. See this video for details: http://youtu.be/5GDykR2BLlc
Did you link the wrong video?
Anyways I meant the ender crystal is client side at the wrong position (it is actually at the position of the fire)
Oops. I meant to link a different "how to bread bedrock" video by the same person: https://www.youtube.com/watch?v=wg2IlGdYI6A
Yes, I see the desync now. Only happens in the end dimension as you can move ender crystals in the overworld. If you're so inclined, you can still move ender crystals in the end dimension using MC-89030, I just found out. Reopening.
Is this still an issue in the most recent versions (currently that is 1.10.2, or 16w42a) of Minecraft? If so, please update the affected versions and help us keeping this ticket updated from time to time.
Changed description, probably now only relates to MC-91528