Essentially, the issue is a repeat of:
Wherein Spiders and Jockeys are able to spawn in a 2x2 area even though buttons have been placed.
MCPE-189941
Issue of Buttons Not Preventing Spiders From Spawning
Resolved
Duplicate
0
Thank you for your report!
We're tracking this issue in MCPE-187254, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as invalid. Please take a look at the parent ticket (MCPE-187254) and see if an explanation is provided there in the description of the ticket or in the comments for why this issue is invalid.
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