[jboss-jira] [JBoss JIRA] (WFLY-12083) Deployment failure if an explicit bean archive contain a Pojo with @NotNull annotation

[Matěj Novotný (Jira)]

    [ https://issues.jboss.org/browse/WFLY-12083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13734369#comment-13734369 ] 

Matěj Novotný commented on WFLY-12083:
--------------------------------------

To add some background, I talked this through a bit with [~jbaesner] and I think it is a bean validation issue.

The archive, as is, is an explicit bean archive in accordance with CDI specification which means the util class with private constructor will be considered a bean.
Since it has no scope annotation, it will become a {{@Dependent}} bean - which has no proxy.

The catch is that someone, somewhere is trying to apply an interceptor (or decorator) to this class - that enforces proxyability check and fails because CDI mandates that you don't have private constructors for proxyable classes. Weld itself doesn't handle {{@NotNull}} annotation in any way so it has to be bean validation trying some magic and having assumptions on proxyability of those classes.

There is a simple workaround here - mark the {{PlaygroundToStringUtil}} class as {{@Vetoed}} (FQCN {{javax.enterprise.inject.Vetoed}}) and CDI won't consider it a bean at all therefore avoiding all the checks.

> Deployment failure if an explicit bean archive contain a Pojo with @NotNull annotation
> --------------------------------------------------------------------------------------
>
>                 Key: WFLY-12083
>                 URL: https://issues.jboss.org/browse/WFLY-12083
>             Project: WildFly
>          Issue Type: Bug
>          Components: Bean Validation
>    Affects Versions: 17.0.0.Alpha1
>            Reporter: Joerg Baesner
>            Assignee: Brian Stansberry
>            Priority: Major
>         Attachments: playground.zip
>
>
> If an exlicit bean archive ({{META-INF}} contains an empty {{beans.xml}}) contain a Pojo without any Bean defining annotations and it has {{@NotNull}} annotations, the deployment of that module fails with:
> {code}
> ERROR [org.jboss.msc.service.fail] (MSC service thread 1-5) MSC000001: Failed to start service jboss.deployment.unit."playground-jar.jar".WeldStartService: org.jboss.msc.service.StartException in service jboss.deployment.unit."playground-jar.jar".WeldStartService: Failed to start service
> 	at org.jboss.msc.service.ServiceControllerImpl$StartTask.execute(ServiceControllerImpl.java:1730)
> 	at org.jboss.msc.service.ServiceControllerImpl$ControllerTask.run(ServiceControllerImpl.java:1558)
> 	at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
> 	at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982)
> 	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
> 	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
> 	at java.lang.Thread.run(Thread.java:748)
> Caused by: org.jboss.weld.exceptions.DeploymentException: WELD-001436: Type org.jboss.playground.PlaygroundToStringUtil is not proxyable because it has a private constructor [EnhancedAnnotatedConstructorImpl] private org.jboss.playground.PlaygroundToStringUtil() - class org.jboss.playground.PlaygroundToStringUtil.
> 	at org.jboss.weld.injection.producer.InterceptionModelInitializer.init(InterceptionModelInitializer.java:117)
> 	at org.jboss.weld.injection.producer.BeanInjectionTarget.buildInterceptionModel(BeanInjectionTarget.java:94)
> 	at org.jboss.weld.injection.producer.BeanInjectionTarget.initializeInterceptionModel(BeanInjectionTarget.java:89)
> 	at org.jboss.weld.injection.producer.BeanInjectionTarget.initializeAfterBeanDiscovery(BeanInjectionTarget.java:99)
> 	at org.jboss.weld.injection.producer.InjectionTargetInitializationContext.initialize(InjectionTargetInitializationContext.java:42)
> 	at org.jboss.weld.injection.producer.InjectionTargetService.initialize(InjectionTargetService.java:63)
> 	at org.jboss.weld.bootstrap.WeldStartup.deployBeans(WeldStartup.java:481)
> 	at org.jboss.weld.bootstrap.WeldBootstrap.deployBeans(WeldBootstrap.java:86)
> 	at org.jboss.as.weld.WeldStartService.start(WeldStartService.java:97)
> 	at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1738)
> 	at org.jboss.msc.service.ServiceControllerImpl$StartTask.execute(ServiceControllerImpl.java:1700)
> 	... 6 more
> {code}



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