Got an error "PropertiesComponent with name properties must be defined in CamelContext to support property placeholders"

[bonnahu]

Running on Camel 2.11.1.
I am trying to use a defined VM argument (e.g., -Dprop.env=DEV) in camel
context.
However, I got the error saying "PropertiesComponent with name properties
must be defined in CamelContext to support property placeholders".  So I
need to add a propertyPlaceholder to make it 
work. I guess it is related to this issue 
https://issues.apache.org/jira/browse/CAMEL-6313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel

But according to the comment, this issue has been fixed in 2.11.1. Did I
make any mistake here?



<camel:camelContext xmlns="http://camel.apache.org/schema/spring"; >
     
    <camel:route>
      <camel:from uri="file:src/data?noop=true"/>
      <camel:choice>
        <camel:when>
          <camel:xpath>/person/city = 'London'</camel:xpath>
         
          <camel:log message=&quot;&lt;b>{{prop.env}}*"/>
          <camel:to uri="file:target/messages/uk"/>
        </camel:when>
        <camel:otherwise>
          <camel:log message="Other message"/>
          <camel:to uri="file:target/messages/others"/>
        </camel:otherwise>
      </camel:choice>
    </camel:route>
  </camel:camelContext>



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