[jira] [Commented] (SLING-10992) Emit warn in case Sling-Initial-Content header contains unknown directives or attributes

["Konrad Windszus (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SLING-10992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17457732#comment-17457732 ] 

Konrad Windszus commented on SLING-10992:
-----------------------------------------

With the linked PR I see the following warning in Sling Starter 12-SNAPSHOT
{code}
*WARN* [pool-2-thread-1] org.apache.sling.jcr.contentloader.PathEntry Bundle 'org.apache.sling.sample.slingshot': Directive 'maven:mount' not supported in header Sling-Initial-Content but it is used with value 'true'
{code}

This also affects Composum bundles. I don't find any references to directive {{maven:mount}} but it is referenced in https://github.com/apache/sling-samples/blob/master/slingshot/bnd.bnd.

Has this directive ever been evaluated?

> Emit warn in case Sling-Initial-Content header contains unknown directives or attributes
> ----------------------------------------------------------------------------------------
>
>                 Key: SLING-10992
>                 URL: https://issues.apache.org/jira/browse/SLING-10992
>             Project: Sling
>          Issue Type: Improvement
>            Reporter: Konrad Windszus
>            Assignee: Konrad Windszus
>            Priority: Major
>             Fix For: JCR ContentLoader 2.5.0
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> The Sling-Initial-Content header only supports some directives and no attributes at all according to the [common header grammar|https://docs.osgi.org/specification/osgi.core/7.0.0/framework.module.html#framework.common.header.syntax] and https://sling.apache.org/documentation/bundles/content-loading-jcr-contentloader.html#initial-content-loading.
> Pretty often directives and attributes are mixed up, therefore it would be good to emit a WARN for every unknown attribute or directive in that header.



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