[jboss-jira] [JBoss JIRA] (WFLY-4889) JSF application without CDI causes Undertow to crash on deployment

[Jeremy Whiting (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-4889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13360762#comment-13360762 ] 

Jeremy Whiting commented on WFLY-4889:
--------------------------------------

A workaround is to add an empty beans.xml file to the archive.

> JSF application without CDI causes Undertow to crash on deployment
> ------------------------------------------------------------------
>
>                 Key: WFLY-4889
>                 URL: https://issues.jboss.org/browse/WFLY-4889
>             Project: WildFly
>          Issue Type: Bug
>          Components: JSF
>    Affects Versions: 9.0.0.Final
>            Reporter: Ken Finnigan
>            Assignee: Farah Juma
>
> My understanding of the JSF spec is that CDI is not a requirement for JSF to function, though there may be some parts of CDI that are required.
> If I deploy a very simple JSF app to Undertow without CDI, I get the following stack trace:
> {noformat}
> Caused by: java.lang.NullPointerException
> 	at java.util.concurrent.ConcurrentHashMap.putVal(ConcurrentHashMap.java:1011)
> 	at java.util.concurrent.ConcurrentHashMap.putAll(ConcurrentHashMap.java:1084)
> 	at io.undertow.servlet.spec.ServletContextImpl.<init>(ServletContextImpl.java:128)
> 	at io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:148)
> 	at org.wildfly.extension.undertow.deployment.UndertowDeploymentService.startContext(UndertowDeploymentService.java:100)
> 	at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:82)
> 	... 6 more
> {noformat}
> From debugging the value being {{put}} that causes the NPE, it is attempting to add a value of {{null}} for the key  {{javax.faces.validator.beanValidator.ValidatorFactory}}.
> I believe this is a result of https://github.com/wildfly/wildfly/blob/master/jsf/subsystem/src/main/java/org/jboss/as/jsf/deployment/JSFBeanValidationFactoryProcessor.java adding the validation factory as a servlet context attribute whether the retrieval found one or not.



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