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https://issues.apache.org/jira/browse/CAMEL-24629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18111945#comment-18111945
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Claus Ibsen commented on CAMEL-24629:
-------------------------------------

- Is MY_HOST actually present in the OS environment (echo $MY_HOST in the 
terminal where Camel runs), or only in the .env file loaded by Quarkus?
- Does the issue reproduce if you export MY_HOST=abc before running (so it's a 
real OS env var, not just Quarkus-managed)?
- What exact Quarkus and Camel versions are in use?

> toD not taking into account substituted properties with env variables
> ---------------------------------------------------------------------
>
>                 Key: CAMEL-24629
>                 URL: https://issues.apache.org/jira/browse/CAMEL-24629
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-core
>    Affects Versions: 4.22.0
>            Reporter: Cameron Fitzwater
>            Priority: Minor
>
> I have a .env file that has:
> MY_HOST=abc
>  
> My application.properties file has:
> my.host=${MY_HOST}
>  
> When using {*}toD{*}:
>  - toD:
>             uri: 
> "https://{{{{{}my.host{}}}}}.domain.com/${exchangeProperty.location}";
>             parameters:
>                 lean: 1
>                 bridgeEndpoint: true
>                 throwExceptionOnFailure: false
> This is failing when using *quarkus* runtime. I've sourced my .env before 
> running camel run/export, still fails.
>  
> It does NOT fail when using it in *to:* component.
>  
> I use this convention to wire the application so that it can more easily be 
> consumable by K8s to set the environment variables.
>  
>  
> Error:
> {code:java}
> org.apache.camel.FailedToCreateRouteException: Failed to create route: 
> get-location at: >>> 
> DynamicTo[toD[https://{{my.host}}.domain.com/${exchangeProperty.location}?bridgeEndpoint=true&lean=1&throwExceptionOnFailure=false]]
>  <<< in route: 
> Route(get-location)[From[rest:get:/:/locations/{id}?routeId=... because: 
> Unknown function: MY_HOST at location 8
> https://${MY_HOST}.domain.com/${exchangeProperty.location}?bridgeEndpoint=true&lean=1&throwExceptionOnFailure=false
>         *{code}



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