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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