[jboss-jira] [JBoss JIRA] (WFWIP-60) smallrye-config: Consider logging a message when properties with same key and ordinal are present

[Jeff Mesnil (JIRA)]

    [ https://issues.jboss.org/browse/WFWIP-60?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13606307#comment-13606307 ] 

Jeff Mesnil commented on WFWIP-60:
----------------------------------

This might be out of scope of the initial integration but I plan afterwards to add runtime operations to help on the "detective work" as you mention :)

In https://github.com/eclipse/ConfigJSR/issues/10#issuecomment-344881189, I proposed management operations to list the config source (according to their ordinal) as well as an operation to evaluate a property (and returned all its known value sorted by their config-source's ordinal)

> smallrye-config: Consider logging a message when properties with same key and ordinal are present
> -------------------------------------------------------------------------------------------------
>
>                 Key: WFWIP-60
>                 URL: https://issues.jboss.org/browse/WFWIP-60
>             Project: WildFly WIP
>          Issue Type: Enhancement
>          Components: MP Config
>            Reporter: Michal Jurc
>            Assignee: Jeff Mesnil
>
> Consider a deployment with default {{microprofile-config.properties}}:
> {code}managementDefault=Default value from default microprofile-config.properties{code}
> Deployment is deployed on server with the following {{ConfigSource}} defined:
> {code}[standalone at localhost:9990 /] /subsystem=microprofile-config-smallrye/config-source=testdefault:read-resource
> {
>     "outcome" => "success",
>     "result" => {
>         "class" => undefined,
>         "dir" => undefined,
>         "ordinal" => 100,
>         "properties" => {"managementDefault" => "Value from WildFly microprofile-config-smallrye config-source"}
>     }
> }
> {code}
> Property {{"managementDefault"}} is always resolved to {{"Value from WildFly microprofile-config-smallrye config-source"}} in deployment.
> It would be useful to log a {{WARN}} level message when there is conflict like this with a notification of {{ConfigSources}} to save detective work in real world scenarios.



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