Hi All,
I am trying to build a bundle which would run a scheduled service to do
some background tasks at a regular interval.
I used the blog post from oktober 2015 to get started so I made the
following service:
@Component( property = CronJob.CRON + "=* * * * * * ?" ) public class
CronComponent implements CronJob @Override public void run(Object data)
throws Exception { System.out.println("Cron Component"); } }
This service should run every second. When I run this bundle nothing
actually happens....
When I create a service tracker for the scheduler service and initiate
the service tracker in the bundle Activator I get a NullPointerException
with the message the cron syntax is incorrect.
When I stop and start the bundle in the running session all of a sudden
see the println statement output.
It seems I need to start the Scheduler Service or the CronComponent
service in some different order. (I assume the Scheduler service needs
to be running first...)
How could this be done?
With kind regards,
Misja Heuveling
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