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MC-187732

Replacing Water with Lava with the fill/setblock commands turns all blocks except south east corner into Obsidian

All blocks are obsidian except for the upper south east corner 

To reproduce:

/fill ~-1 ~-1 ~-1 ~-9 ~-1 ~-9 minecraft:water
/fill ~-1 ~-1 ~-1 ~-9 ~-1 ~-9 minecraft:lava

 

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galaxy_2alex

The fact it creates obsidian is most likely intended - the bug is that it misses the south east corner. If you do want to properly replace water with lava, add "destroy" at the end of the /fill command

Henry Fleming

using "destroy" will work, but then you could not use "replace"

Henry Fleming

I guess if you need to use "replace" you can fill with air then fill lava

Avoma

Can confirm in 20w49a.

Avoma

Can confirm in 1.16.5.

Avoma

Can confirm in 21w03a.

Avoma

Can confirm in 21w06a.

Avoma

Can confirm in 1.17.1.

ampolive

As MCPE-100607 is tracked as a bug in Bedrock Edition, I am not sure if /fill turning water into obsidian is intended.

user-f2760

Yeah, it updates the lava (which is next to water) before placing the remaining blocks; it should first replace all blocks, and only then update them.

Avoma

Can confirm in 1.18.2 and 22w18a.

Avoma

Can confirm in 1.19.

Avoma

Can confirm in 1.19.2.

Henry Fleming

(Unassigned)

Confirmed

Commands

1.15.2, 1.16 Pre-release 2, 20w49a, 21w03a, 1.16.5, ..., 1.19, 1.19.2, 1.19.4, 23w16a, 1.20.1

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