[jira] [Commented] (CAMEL-24878) camel-kamelet-main - resolving an http: resource fetches it, so rest-openapi reads its specification twice

["Claus Ibsen (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CAMEL-24878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18117818#comment-18117818 ] 

Claus Ibsen commented on CAMEL-24878:
-------------------------------------

Merged in https://github.com/apache/camel/pull/26706 (commit 5ffbcae5529e) for 4.23.0.

_Claude Code on behalf of davsclaus_

> camel-kamelet-main - resolving an http: resource fetches it, so rest-openapi reads its specification twice
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: CAMEL-24878
>                 URL: https://issues.apache.org/jira/browse/CAMEL-24878
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-jbang, camel-kamelet-main
>    Affects Versions: 4.23.0
>            Reporter: Jiří Ondrušek
>            Assignee: Jiri Ondrusek
>            Priority: Major
>             Fix For: 4.23.0
>
>
> Since CAMEL-24852 DependencyDownloaderResourceLoader.resolveResource calls exists() on every resolved resource. For http:/https: that is a real GET (HttpResource.exists), so rest-openapi fetches its specification twice under camel run.
> Seen in camel-kamelets OpenApiIT: the mock petstore answers the spec once, the second GET hangs and the route never starts. Broke camel-kamelets main with the 4.23.0 snapshot of 2026-09-21.
> Fix: probe exists() only for classpath: and file: resources, which are the only ones looked up next to the routes.



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