Is that really the XML?  It’s not well formed - you start with a 
cm:property-placeholder element and end with a cm:default-properties element.

> On Feb 22, 2018, at 12:48 PM, Alex Soto <alex.s...@envieta.com> wrote:
> 
> Hello, 
> 
> I am having some problems migrating to Camel 2.20.2 from 2.17.4.  I have 
> blueprint configuration:
> 
>               <cm:property-placeholder 
>                               persistent-id=“audit.log” 
>                               update-strategy="reload” 
>                               placeholder-prefix="#{" placeholder-suffix="}”>
> 
>                       <cm:property name=“startDelaySeconds" value="600" />
>                       <cm:property name="cron" value="0 0/30 * * * ?" />
>               </cm:default-properties>
> 
> A component configuration (in this case for Quartz2, but I don’t think this 
> is related to Quartz2):
> 
>       <bean id="audit-log-reaper-quartz" 
> class="org.apache.camel.component.quartz2.QuartzComponent">
>               <property name="startDelayedSeconds" 
> value="#{startDelaySeconds}" />
>       </bean>
> 
> Then use this in a route:
> 
>       <route id="reaper-scheduler">
>               <from uri="audit-log-reaper-quartz://reaper?cron={{cron}}" />
>               ...
> 
> When I run this (Karaf 4.2.5) an exception is thrown:
> 
> org.osgi.service.blueprint.container.ComponentDefinitionException: Name 
> audit-log-reaper-quartz is already instanciated as null and cannot be removed.
>       at 
> org.apache.aries.blueprint.container.BlueprintRepository.removeRecipe(BlueprintRepository.java:131)
>  [38:org.apache.aries.blueprint.core:1.8.3]
>       at 
> org.apache.aries.blueprint.container.BlueprintContainerImpl.updateUninstantiatedRecipes(BlueprintContainerImpl.java:572)
>  [38:org.apache.aries.blueprint.core:1.8.3]
>       at 
> org.apache.aries.blueprint.container.BlueprintContainerImpl.processProcessors(BlueprintContainerImpl.java:559)
>  [38:org.apache.aries.blueprint.core:1.8.3]
>       at 
> org.apache.aries.blueprint.container.BlueprintContainerImpl.doRun(BlueprintContainerImpl.java:394)
>  [38:org.apache.aries.blueprint.core:1.8.3]
>       at 
> org.apache.aries.blueprint.container.BlueprintContainerImpl.run(BlueprintContainerImpl.java:275)
>  [38:org.apache.aries.blueprint.core:1.8.3]
> 
> 
> This was working fine in Camel 2.17.4.  Interestingly,  if I remove property 
> place holder:
> 
>       <bean id="audit-log-reaper-quartz" 
> class="org.apache.camel.component.quartz2.QuartzComponent">
>               <property name="startDelayedSeconds" value="600" />
>       </bean>
> 
> Then it works fine, no errors.  So this seems to be related to the property 
> placeholders.  Has anybody seen this? 
> I appreciate any insight on how to solve this problem.
> 
> Best regards,
> Alex soto
> 
> 
> 

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