Bundles are in state Waiting after restart of service bundle in Fabric

Solution Verified - Updated -

Issue

  • Assume the following constellation: We have a blueprint bundle A that exports a JMS connectin factory in the OSGi service registry which is in turned used by bundles B and C to listen to specific queues via Camel's JMS component:

  • Bundle A:

<service ref="pooledConnectionFactory" interface="javax.jms.ConnectionFactory">
        <service-properties>
            <entry key="broker" value="smw"></entry>
        </service-properties>
    </service>

  • Bundles B & C:

    <reference id="mqConnectionFactory" interface="javax.jms.ConnectionFactory" filter="(broker=smw)"></reference>
    ...
    <bean id="activemq" class="org.apache.activemq.camel.component.ActiveMQComponent">
        <property name="acceptMessagesWhileStopping" value="true"></property>
        <property name="cacheLevelName" value="CACHE_NONE"></property>
        <property name="connectionFactory" ref="mqConnectionFactory"></property>
        <property name="maxMessagesPerTask" value="10"></property>
    </bean>
    
  • After a restart of bundle A e.g. by changing its configuration, the bundles B and C are forever in state Waiting. What's wrong?

Environment

  • Red Hat JBoss Fuse
    • 6.x
  • Aries Blueprint
  • Fabric

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