[jira] [Work started] (CAMEL-25428) camel-jbang - dev mode reload keeps the old instance of a bean whose Java source changed

["Guillaume Nodet (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-25428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on CAMEL-25428 started by Guillaume Nodet.
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> camel-jbang - dev mode reload keeps the old instance of a bean whose Java source changed
> ----------------------------------------------------------------------------------------
>
>                 Key: CAMEL-25428
>                 URL: https://issues.apache.org/jira/browse/CAMEL-25428
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-jbang
>            Reporter: Claus Ibsen
>            Assignee: Guillaume Nodet
>            Priority: Major
>
> In dev mode (camel run --dev) a Java bean declared in a YAML beans file is recompiled when its source changes, and the routes reload, but the routes keep calling the old bean instance, so the change never takes effect.
> Reproduce with the quick-start/routes example of camel-jbang-examples (routes.camel.yaml, beans.yaml, Greeter.java, application.properties):
> {noformat}
> camel run routes.camel.yaml beans.yaml Greeter.java application.properties --dev
> {noformat}
> beans.yaml declares the bean:
> {noformat}
> - beans:
>     - name: greeter
>       type: "camel.example.Greeter"
>       properties:
>         greeting: "{{greeter.greeting}}"
> {noformat}
> Change the return statement of Greeter.java, e.g. to {{return greeting + ", " + name + "!!! CHANGED";}}. The log says:
> {noformat}
> RouteWatcherReloadStrategy : Routes reloaded summary (total:1 started:1)
> RouteWatcherReloadStrategy :     Started greeting (timer://greet) (source: routes.camel.yaml:4)
> {noformat}
> but the route goes on logging "Hello, Camel!" from the old Greeter. Nothing says the bean was not replaced.
> Expected: a bean of the beans file whose class changed is created again from the new class on reload (or, if that cannot be done, the reload says that a restart is needed). Verified on 4.23.0-SNAPSHOT.



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