I will take a look on this today or tomorrow.

Regards
JB

On 02/23/2018 05:59 PM, Guillaume Nodet wrote:
> I wonder if this is related to 
>    
> https://github.com/apache/camel/commit/a4e94f036d02943814c84195d73837cf607c8c20
> 
> I suspect the call to camelContext.getComponent(component)  should be 
> replaced by
>  camelContext.getComponent(component, false) in order to avoid the component 
> to
> be auto-created.
> 
> I'm in vacation tonight, so I won't have time to investigate next week.  If 
> you
> have some time, try to build camel-blueprint with the above change
> in org.apache.camel.blueprint.handler.CamelNamespaceHandler line 1056.
> 
> Cheers,
> Guillaume
> 
> 2018-02-23 17:27 GMT+01:00 Alex Soto <[email protected]
> <mailto:[email protected]>>:
> 
>     Hello, 
> 
>     I posted this in the Camel forum, but I have not received any answer, so I
>     am trying here as well, since the error is coming from Blueprint.
>     I am running Karaf 4.2.5,  in trying to migrate my project to Camel 2.20.2
>     (from 2.17.4) 
>     I have blueprint configuration:
> 
>     <blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0
>     <http://www.osgi.org/xmlns/blueprint/v1.0.0>"
>     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance
>     <http://www.w3.org/2001/XMLSchema-instance>" 
>     xmlns:camel="http://camel.apache.org/schema/blueprint
>     <http://camel.apache.org/schema/blueprint>"
>     xmlns:cm="http://aries.apache.org/blueprint/xmlns/blueprint-cm/v1.1.0
>     <http://aries.apache.org/blueprint/xmlns/blueprint-cm/v1.1.0>"
>     xmlns:ext="http://aries.apache.org/blueprint/xmlns/blueprint-ext/v1.0.0
>     <http://aries.apache.org/blueprint/xmlns/blueprint-ext/v1.0.0>"
>     xsi:schemaLocation="
>                  http://www.osgi.org/xmlns/blueprint/v1.0.0
>     <http://www.osgi.org/xmlns/blueprint/v1.0.0> 
>          https://www.osgi.org/xmlns/blueprint/v1.0.0/blueprint.xsd
>     <https://www.osgi.org/xmlns/blueprint/v1.0.0/blueprint.xsd>”>
> 
>     <cm:property-placeholder persistent-id="audit.log"
>     update-strategy="reload” 
>     placeholder-prefix="#{" placeholder-suffix="}">
>     <cm:default-properties>
>     <cm:property name="audit-log.reaper.cron" value="0 0/30 * * * ?" />
>     <cm:property name="startDelaySeconds"value="600" />
>     </cm:default-properties>
>     </cm:property-placeholder>
> 
>     A bean is configured using some properties (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>
> 
>     The bean is referenced in a Camel 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]
> 
> 
> 
>     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
> 
> 
> 
> 
> 
> -- 
> ------------------------
> Guillaume Nodet
> 

-- 
Jean-Baptiste Onofré
[email protected]
http://blog.nanthrax.net
Talend - http://www.talend.com

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