[SPIGOT-7528] Some Custom shaped recipes fail Created: 06/Dec/23  Updated: 25/Dec/24  Resolved: 06/Dec/23

Status: Resolved
Project: Spigot
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Bug Priority: Minor
Reporter: Eccentric Devotion Assignee: Unassigned
Resolution: Fixed Votes: 0
Labels: 1.20.3, Recipes
Environment:

Windows 10


Attachments: File RecipeTester-1.0.0.jar     Java Source File RecipeTester.java     Text File latest.log    
Version:  CraftBukkit version 3954-Spigot-9d72885-8232a74 (MC: 1.20.3) (Implementing API version 1.20.3-R0.1-SNAPSHOT)
Guidelines Read: Yes

 Description   

Adding custom shaped recipes to the server in some cases results in an error:

java.lang.IllegalArgumentException: Key defines symbols that aren't used in pattern: { }

These same recipes worked without issue in 1.20.2 and below.

Error can be reproduced with attached plugin which adds two recipes one of which fails.


Generated at Sat Dec 13 15:26:38 UTC 2025 using Jira 10.3.13#10030013-sha1:56dd970ae30ebfeda3a697d25be1f6388b68a422.