Anshika Agarwal created SLING-3699:
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Summary: [Job Scheduling] A job scheduled using JobBuilder does
not get removed if the JobConsumer returns JobResult.OK
Key: SLING-3699
URL: https://issues.apache.org/jira/browse/SLING-3699
Project: Sling
Issue Type: Bug
Components: API
Reporter: Anshika Agarwal
Priority: Critical
Behavior:
If we schedule a job to be executed at a specific time for a topic using:
JobBuilder jobBuilder = jobManager.createJob(EVENT_TOPIC);
jobBuilder..properties(props).schedule().at(activationTime).add();
It first creates a node of type "slingevent:TimedEvent" in crx repository under
"/var/eventing/scheduled-jobs" and when the exact time arrives (in this case
activationTime), a node of type "slingevent:Job" gets created under assigned
jobs and posts an event to the JobConsumer.
Issue:
When the JobConsumer returns JobResult.OK the node of type
"slingevent:TimedEvent" (scheduled job) does not get removed from the list.
Due to this issue, when the server restarts, all the jobs that were earlier
scheduled and had finished with their execution, get executed again to become
nodes of type "slingevent:Job" and again post an event to the JobConsumer. This
happens for all the jobs scheduled for a time that is before the current time
(when the server restarts)
Desired:
Although, we wish to have the scheduled jobs to persist even after the server
restarts, but only the jobs that have not yet been executed should be executed
after restart. This implies that all the jobs that are executed should be
removed from the list of scheduled jobs once the JobConsumer returns
JobResult.OK
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