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Posted to issues@nifi.apache.org by "Peter Wicks (JIRA)" <ji...@apache.org> on 2018/11/15 16:44:00 UTC

[jira] [Created] (NIFI-5822) ControllerServices not available during @OnScheduled

Peter Wicks created NIFI-5822:
---------------------------------

             Summary: ControllerServices not available during @OnScheduled
                 Key: NIFI-5822
                 URL: https://issues.apache.org/jira/browse/NIFI-5822
             Project: Apache NiFi
          Issue Type: Bug
            Reporter: Peter Wicks


If a processor tries to load a ControllerService during `@OnScheduled`, then `context.getControllerService` contains a null reference to `controllerServiceProvider`. I traced this back to `StandardProcessScheduler.startProcessor`, and the reference to `controllerServiceProvider` is also `null` here. `ExecuteSQL` acquires it's connection during `@OnScheduled`.

But once we reach `onTrigger`, everything is fine and you can retrieve a controller service without issue



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