[jboss-jira] [JBoss JIRA] (WFLY-13641) WFLYWELD0055: Could not index class [Someclass] from an external bean archive: vfs:/somepath/myear.ear/myejb-0.0.1.jar/META-INF/beans.xml

[Matěj Novotný (Jira)]

    [ https://issues.redhat.com/browse/WFLY-13641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14202964#comment-14202964 ] 

Matěj Novotný commented on WFLY-13641:
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Would you be willing to cobble together a minimal reproducer project for this?

Meanwhile, looking at WFLY docs, I only found little about [{{jboss-deploymet-structure}}|https://docs.wildfly.org/16/Developer_Guide.html#jboss-deployment-structure-file]. And from that text it's not obvious how it should behave. But in theory, the issue is either not being able to found existing jandex for given URL (because I thought all deployments on WFLY will be indexed?) or not being able to index it on the fly. [~brian.stansberry] do you happen to know or point me to whoever is the jandex guru within WFLY? :-)

The reason why discovery mode {{all}} gives you access to all beans and no error is because we can fully avoid trying to access the index (we needn't check if every class meets the criteria of having bean defining annotation which is what we use jandex for in this case).

> WFLYWELD0055: Could not index class [Someclass] from an external bean archive: vfs:/somepath/myear.ear/myejb-0.0.1.jar/META-INF/beans.xml
> -----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: WFLY-13641
>                 URL: https://issues.redhat.com/browse/WFLY-13641
>             Project: WildFly
>          Issue Type: Bug
>          Components: CDI / Weld
>    Affects Versions: 20.0.0.Final
>            Reporter: Jens Viebig
>            Assignee: Matěj Novotný
>            Priority: Major
>
> When referencing a jar with CDI scan mode "annotaded" inside an ear from an external war via jboss-deployment-structure.xml a warning will be printed for every class:
> WFLYWELD0055: Could not index class [Someclass] from an external bean archive: vfs:/somepath/myear.ear/myejb-0.0.1.jar/META-INF/beans.xml
> Seems VFS cannot get hold of the classes.
> The warning is logged in ExternalBeanArchiveProcessor which catches an EOFException from the inputstream loading the class. (Line 284). Seems the input stream is not able to load a single byte from the class



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