Whenever an unemployed villager attempts to claim a blast furnace as its job site block in the plains biomes it attempts to go around the blast furnace instead of walking in front of it.
Linked issues
duplicates
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Thank you for your report!
We're actually already tracking this issue in MC-155269, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote or any additional information to the main ticket it would be appreciated.
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Based off the description as it is right now it's hard to confirm this, can you provide some more information such as screenshots and/or a video of this happening?