@FacesValidator is by default not eligible for dependency injection by
There is a
for EJB, but this is nasty and doesn't work out for CDI.
would be to make it a JSF or CDI managed bean, however this doesn't register the validator instance into the JSF application context,
and hence you won't be able to make use of
Initially, this should be solved in JSF 2.2 which comes with new support for dependency injection in among others all
Validator were initially also among them, but they broke a TCK test and were at the last moment removed from dependency injection support.
The support is expected to come back in JSF 2.3, but we just can't wait any longer.
has support for it, but it requires an additional
OmniFaces solves this by implicitly making all
@FacesValidator instances eligible for dependency injection without any further modification, like as JSF 2.2 would initially do, hereby providing a transparent bridge of the code to the upcoming JSF 2.3.
CDI issues in EAR
Note that CDI has known issues when OmniFaces is bundled in multiple WARs in a single EAR. It's important to understand that those issues are not related to OmniFaces, but to the broken CDI spec. For an overview of those issues, please refer Known issues of OmniFaces CDI features in combination with specific application servers.
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Validator will print itself and both the injected EJB and CDI bean in a faces message. Note: EJB is stateless and CDI bean is request scoped.