[jira] [Created] (NIFI-7275) onPropertyModified() called before @OnEnabled for controller services on nifi startup

["Nissim Shiman (Jira)" <ji...@apache.org>]

Nissim Shiman created NIFI-7275:
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             Summary: onPropertyModified() called before @OnEnabled for controller services on nifi startup
                 Key: NIFI-7275
                 URL: https://issues.apache.org/jira/browse/NIFI-7275
             Project: Apache NiFi
          Issue Type: Bug
    Affects Versions: 1.10.0
            Reporter: Nissim Shiman


On nifi startup, the onPropertyModified() [1] is run for each property of a controller service.

This is run before the ControllerService methods annotated with @OnEnabled [2] are run.

So, when onPropertyModified() references properties that are initialized in the method with @OnEnabled, a java.lang.NullPointerException occurs 




[1] https://github.com/apache/nifi/blob/master/nifi-api/src/main/java/org/apache/nifi/components/ConfigurableComponent.java#L68

[2] https://github.com/apache/nifi/blob/master/nifi-api/src/main/java/org/apache/nifi/annotation/lifecycle/OnEnabled.java#L67



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