Description:
If the player goes through an Nether Portal and exits it, it generates a new portal
Steps to recreate:
Make a Nether Portal go in and go out
Expected Result:
You exit through the portal you enter
Observed Result:
You exit through a new portal
Note:
I was in the Nether for a long time and the game had restarted 2-3 times until I exited, not sure if this was the reason
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What are the coordinates of your portal on the nether side?

@mxblue28 It’s X=3 and Z=-51, I guess the portal wasn’t correctly generated in the first place??
[media]
@ExtremeStav Move the nether-side portal to around x=-37, z=-67.
Nether portal generation is a bit funky, but basically when you enter the nether it divides your coordinates by 8, and when you go back to the overworld it multiplies them by 8. There’s some margin for error, but I suspect what happened here is that the game couldn’t generate the nether-side portal where it “should” be (probably because the terrain is solid netherrack so there’s no space). It ended up picking the closest possible space around 40 blocks away, but that distance becomes 320 blocks in the overworld, which is far enough that it doesn’t see your old portal and creates a new one.

@mxblue28 I made a protal at X = -17 Z=-67 and it seemed to work, thank you!
It was an issue at generation of the Nether Portal it seems like
Thank you for your report!
We're tracking this issue in https://report.bugs.mojang.com/servicedesk/customer/portal/2/MC-277568 , so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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