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https://issues.apache.org/jira/browse/SLING-3502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carsten Ziegeler updated SLING-3502:
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Fix Version/s: Event 3.3.10
> Main job queue is not properly outdated
> ----------------------------------------
>
> Key: SLING-3502
> URL: https://issues.apache.org/jira/browse/SLING-3502
> Project: Sling
> Issue Type: Bug
> Components: Extensions
> Affects Versions: Event 3.3.10
> Reporter: Marc Pfaff
> Assignee: Stefan Egli
> Fix For: Event 3.3.10
>
> Attachments: SLING-3502-2.patch, SLING-3502-IT.patch,
> SLING-3502.patch, SLING-3502.patch
>
>
> The default job queue called <main queue> appears not to be properly outdated.
> The JobManager keeps an internal map of currently running job queues, indexed
> by job name. The code to outdate a queue (JobManagerImpl.outdateQueue()) uses
> a filtered queue name to look up the queue to outdate in this map. But the
> part that uses, creates and puts the queue on the map
> (JobManagerImpl.process()), does not filter the queue name.
> After outdating the main queue like this, there are two or more main queue
> entries in the map, depending on the number of topology changes happening,
> pointing to the same outdated queue instance. As one of the queues is still
> indexed with <main queue>, new jobs that use the main queue are always
> assigned an outdated queue. That's a dead end, as outdated queues do not
> appear to have a queue thread running no more.
> To reproduce:
> * Start one instance
> * Start a job that uses the main queue, so one instance of the main queue is
> created. This job passes fine.
> * Trigger a topology change, e.g. by adding a second instance to the same
> topology
> * Check the job manager in sling console, you should see two outdated main
> queues, properly labeled as outdated, but one of them is internally still
> indexed by <main queue>
> * Start another job that uses the main queue. This job and all following jobs
> using main queue never get executed
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