# Use Java Bean Validation into Authenticator

**URL:** <https://forum.keycloak.org/t/use-java-bean-validation-into-authenticator/12609>\
**Category:** Miscellanaeous\
**Created:** [December 15, 2021, 5:46am UTC](https://forum.keycloak.org/t/use-java-bean-validation-into-authenticator/12609 "2021-12-15T05:46:40Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![semangard](https://yyz2.discourse-cdn.com/free1/user_avatar/forum.keycloak.org/semangard/32/1922_2.png) [@semangard](https://forum.keycloak.org/u/semangard)\
**Post date:** [December 15, 2021, 5:46am UTC](https://forum.keycloak.org/t/use-java-bean-validation-into-authenticator/12609/1 "2021-12-15T05:46:40Z")

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Hello,

I am trying to use Java Bean Validation into custom Authenticator but it is seems once the jar is deployed with its dependencies, the default provider (hibernante-validator) is not found and KeyCloak refuses to start.

Is there anybody who got this issue and found a solution ?

Regards