[jira] [Created] (SLING-6397) Error logged by ServiceUserMapperImpl while unregistering an already unregistered service

["Mohit Arora (JIRA)" <ji...@apache.org>]

Mohit Arora created SLING-6397:
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             Summary: Error logged by ServiceUserMapperImpl while unregistering an already unregistered service
                 Key: SLING-6397
                 URL: https://issues.apache.org/jira/browse/SLING-6397
             Project: Sling
          Issue Type: Bug
            Reporter: Mohit Arora
            Priority: Minor


On shutdown of AEM, errors like below are logged in error logs - 

{code}
*ERROR* [pool-44-thread-1] org.apache.sling.serviceusermapping.impl.ServiceUserMapperImpl cannot unregister ServiceUserMapped Mapping [serviceName=com.adobe.cq.social.cq-social-jcr-provider, subServiceName=ugc-writer, userName=communities-ugc-writer]
java.lang.IllegalStateException: Service already unregistered.
	at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:140)
	at org.apache.sling.serviceusermapping.impl.ServiceUserMapperImpl.executeServiceRegistrations(ServiceUserMapperImpl.java:315)
	at org.apache.sling.serviceusermapping.impl.ServiceUserMapperImpl.access$000(ServiceUserMapperImpl.java:77)
	at org.apache.sling.serviceusermapping.impl.ServiceUserMapperImpl$1.run(ServiceUserMapperImpl.java:295)
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
{code}

The service has already been rightfully unregistered and hence this is valid condition. So this message should not be logged at *error* level but maybe at *debug* level.



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