in src/main/java/org/apache/sling/jobs/impl/JobSubsystem.java [85:93]
public synchronized void deactivate() {
for (Map.Entry<ServiceReference<JobConsumer>, JobConsumerHolder> e : registrations.entrySet()) {
e.getValue().close();
}
registrations.clear();
manager.dispose();
messageSender.dispose();
jobStorage.dispose();
}