Brent Daniel created FELIX-5953:
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Summary: Circular reference error
Key: FELIX-5953
URL: https://issues.apache.org/jira/browse/FELIX-5953
Project: Felix
Issue Type: Bug
Components: Declarative Services (SCR)
Affects Versions: scr-2.1.6
Reporter: Brent Daniel
If the call to obtainStateLock SingleComponentManager.getService doesn't
succeed, an IllegalStateException will be thrown which will result in
ComponentRegistry.leaveCreate() not being called. That leaves circularInfos in
ComponentRegistry in an invalid state which will result in the error "Circular
reference detected trying to get service".
We typically see this when a component has a long running activator running in
one thread and another thread tries to get a service from a reference and ends
up eventually timing out in SingleComponentManager.getService because the other
thread holds the lock.
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