webhook return 404

[wang-jian-yu]

Jenkins and plugins versions report

Jenkins: 2.414.3
GitLab: 1.7.16

What Operating System are you using (both controller, and any agents involved in the problem)?

[root@]# uname -r
4.18.0-240.10.1.el8_3.x86_64

Reproduction steps

1. Created the project
2. Configured webhook in github

Expected Results

Hopefully, it will trigger the engineering building blocks

Actual Results

Log display:

Anything else?

No response