Ian Boston created SLING-2749:
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Summary: Inconsistent synchronization in
org.apache.sling.event.impl.jobs.jcr.LockManager surrounding backgroundSession
and backgroundLock
Key: SLING-2749
URL: https://issues.apache.org/jira/browse/SLING-2749
Project: Sling
Issue Type: Bug
Components: Extensions
Affects Versions: Extensions Event 3.1.4
Reporter: Ian Boston
Assignee: Ian Boston
Fix For: Extensions Event 3.1.6
There are 2 areas of inconsistent synchronisation. First not all writes to to
backgroundSession are synchronized and in the activate method, synchronization
is on the private field background session which is created new moments before,
making the synchronization ineffective.
I think the intention was to use backgroundLock throughout.
In addition the deactivate method has the potential to generate NPEs if more
than one thread deactivates concurrently.
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