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

Stefan Gr (Jira) issues at jboss.org
Fri Jun 7 02:50:01 EDT 2019


    [ https://issues.jboss.org/browse/WFLY-11601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13743711#comment-13743711 ] 

Stefan Gr commented on WFLY-11601:
----------------------------------

Thanks for your time to figure out that fix. I will test it today or thuesday next week.

It should be enough to build the weld source and simply replace the jars in the module directory, right?

> 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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