Java 21 is not supported

Question

Hello, I try to deploy a service with spring boot 3.4.1 and Jdk21 and it does not work

[View Deploy details](https://railway.com/project/0888c421-f903-4417-9031-652fbd4573dc/service/cf590994-4da3-4f3f-b3f5-c2e34f39ad4b?id=a6837f14-e9df-45af-b511-d8f3a3543835)

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