There is a report in JIRA about this.
2.1.1.GA doesn't allow @in in @Validator, because injection can't be done reliably. Use Component.getInstance instead.
Seam 2.0.1.GA does not enforce @ByPassInterceptors on @Validator's. I'm using @ByPassInterceptors anyway and Component.getInstance() and it's working much better now.
What do I do if I need to outject something? Anyone know the programmatic API call to achieve that?