Hi, Given a blueprint xml likes this:
<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0"; xmlns:cm="http://aries.apache.org/blueprint/xmlns/blueprint-cm/v1.1.0";> <cm:property-placeholder persistent-id="abc" update-strategy="reload"> <cm:default-properties> <cm:property name="key1" value="value1" /> <cm:property name="key2" value="value2" /> </cm:default-properties> </cm:property-placeholder> <bean id="myBean" class="org.abc.Abc"> <property name="mykey1" value="key1"/> <property name="mykey1" value="key1"/> </bean> <service interface="org.abc.interface" ref="myBean"/> </blueprint> Which uses cm:property-placeholder to read properties from etc/abc.cfg and expose an osgi service. The problem here is: in case there is no abc.cfg existing in the etc/ folder, and set update-strategy="reload" , (be default, update-strategy="none" which works ok but can't auto reload the value of properties ) then, the NoSuchComponentException will be thrown. Caused by: org.osgi.service.blueprint.container.NoSuchComponentException: No component with id 'myBean' could be found at org.apache.aries.blueprint.di.RefRecipe.internalCreate(RefRecipe.java:55)[9:org.apache.aries.blueprint:0.3.2] at org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractRecipe.java:64)[9:org.apache.aries.blueprint:0.3.2] at org.apache.aries.blueprint.container.BlueprintRepository.createInstances(BlueprintRepository.java:219)[9:org.apache.aries.blueprint:0.3.2] at org.apache.aries.blueprint.container.BlueprintRepository.createInstance(BlueprintRepository.java:198)[9:org.apache.aries.blueprint:0.3.2] at org.apache.aries.blueprint.container.BlueprintRepository.create(BlueprintRepository.java:137)[9:org.apache.aries.blueprint:0.3.2] at org.apache.aries.blueprint.container.ServiceRecipe.createRecipe(ServiceRecipe.java:370)[9:org.apache.aries.blueprint:0.3.2] at org.apache.aries.blueprint.container.ServiceRecipe.createService(ServiceRecipe.java:278)[9:org.apache.aries.blueprint:0.3.2] at org.apache.aries.blueprint.container.ServiceRecipe.internalGetService(ServiceRecipe.java:248)[9:org.apache.aries.blueprint:0.3.2] at org.apache.aries.blueprint.container.ServiceRecipe.internalCreate(ServiceRecipe.java:140)[9:org.apache.aries.blueprint:0.3.2] at org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractRecipe.java:64)[9:org.apache.aries.blueprint:0.3.2] at org.apache.aries.blueprint.container.BlueprintRepository.createInstances(BlueprintRepository.java:219)[9:org.apache.aries.blueprint:0.3.2] at org.apache.aries.blueprint.container.BlueprintRepository.createAll(BlueprintRepository.java:147)[9:org.apache.aries.blueprint:0.3.2] at org.apache.aries.blueprint.container.BlueprintContainerImpl.instantiateEagerComponents(BlueprintContainerImpl.java:631)[9:org.apache.aries.blueprint:0.3.2] ... 10 more (The Aries version is 0.3.2, Karaf verison is 2.2.9) I've seen maybe a similar bug https://issues.apache.org/jira/browse/ARIES-961 already existing, but still want to get some feed back about my scenario. Thanks! BR Xilai
