[jboss-jira] [JBoss JIRA] (WFLY-11601) Weld vs Undertow bootstrap: Race condition

[Matěj Novotný (Jira)]

    [ https://issues.jboss.org/browse/WFLY-11601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13743303#comment-13743303 ] 

Matěj Novotný commented on WFLY-11601:
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I am currently trying to swap around few steps in Weld bootstrap to see how that works with WFLY.
I'll run that through Weld TS as well as WFLY one and if is works, we can take that route as it would mean no interference with integrator logic.

> Weld vs Undertow bootstrap: Race condition
> ------------------------------------------
>
>                 Key: WFLY-11601
>                 URL: https://issues.jboss.org/browse/WFLY-11601
>             Project: WildFly
>          Issue Type: Bug
>          Components: CDI / Weld, Web (Undertow)
>    Affects Versions: 15.0.1.Final
>            Reporter: Stefan Gr
>            Assignee: Matěj Novotný
>            Priority: Major
>         Attachments: TestApp.zip, TestLib.zip, changes.diff, deploy-failed.txt, deploy-mixed-success.txt, deploy-success.txt, test-app-1.0.0.war, weld-core-impl-3.0.5.Final.jar, weld-core-impl-3.0.5.Final.jar
>
>
> WFLY-9732 / WFLY-10784 moves the completion of WELD from the WeldStartService to WeldStartCompetionService. This causes a race condition with the UndertowDeploymentService which executes the servlet listeners for context-initialized which again fires ApplicationScope-initialized events in CDI.
> You can find more in [WELD-2557|https://issues.jboss.org/browse/WELD-2557?focusedCommentId=13682848&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13682848].
> In short: WeldStartCompletionService and UndertowDeploymentService pushes the logic to the executor service. It may happen, that the logik of undertow runs before the weld completion. Events fired in the servlet listeners won't find all event observers.
> A possible solution would bo to set the WeldStartCompletionService as a dependency of the UndertowDeploymentService



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