Benson Margulies created FELIX-5197: ---------------------------------------
Summary: non-fatal circularities in SCR should be info, not error, in log Key: FELIX-5197 URL: https://issues.apache.org/jira/browse/FELIX-5197 Project: Felix Issue Type: Improvement Components: Declarative Services (SCR) Affects Versions: scr-2.0.2 Reporter: Benson Margulies I have two components that have a pseudo-circular dependency. Component 'WorkerInterface' has a reference like: {code} @Reference(cardinality = ReferenceCardinality.MULTIPLE, policy = ReferencePolicy.DYNAMIC, policyOption = ReferencePolicyOption.GREEDY) public void setWorkerComponentService(WorkerComponentService workerComponentService) { ... } {code} one of the components that provides 'WorkerComponentService' has: {code} @Reference(cardinality = ReferenceCardinality.OPTIONAL, policy = ReferencePolicy.DYNAMIC, unbind = "unbindWorkerInterface") public void setWorkerInterface(WorkerInterface workerInterface) { .. } {code} This all works: The second activates, the first activates, and then the second gets called with the reference to the first. However, along the way, an alarming ERROR-level log message is delivered, as below. I submit that this should be no louder than INFO. {noformat} 2016-02-24 10:25:30,963 | ERROR | lixDispatchQueue | rosapi-worker-rni-rnt-sdk | 51 - com.basistech.ws.rosapi-worker-rni-rnt-sdk - 0.8.101.v20160224031931 | FrameworkEvent ERROR - com.basistech.ws.rosapi-worker-rni-rnt-sdk org.osgi.framework.ServiceException: ServiceFactory.getService() resulted in a cycle. at org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:301)[org.apache.felix.framework-5.4.0.jar:] at org.apache.felix.framework.Felix.getService(Felix.java:3699)[org.apache.felix.framework-5.4.0.jar:] at org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470)[org.apache.felix.framework-5.4.0.jar:] at org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:72)[129:org.apache.felix.scr:2.0.2] at org.apache.felix.scr.impl.helper.BindMethod.getServiceObject(BindMethod.java:646)[129:org.apache.felix.scr:2.0.2] at org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2137)[129:org.apache.felix.scr:2.0.2] at org.apache.felix.scr.impl.manager.DependencyManager$SingleDynamicCustomizer.prebind(DependencyManager.java:872)[129:org.apache.felix.scr:2.0.2] at org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1457)[129:org.apache.felix.scr:2.0.2] at org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:983)[129:org.apache.felix.scr:2.0.2] {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)