bbende commented on code in PR #10779:
URL: https://github.com/apache/nifi/pull/10779#discussion_r2699440965
##########
nifi-framework-bundle/nifi-framework/nifi-framework-components/src/main/java/org/apache/nifi/controller/service/ServiceStateTransition.java:
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@@ -70,6 +70,11 @@ public boolean transitionToEnabling(final
ControllerServiceState expectedState,
public boolean enable(final ControllerServiceReference
controllerServiceReference) {
writeLock.lock();
try {
+ if (state == ControllerServiceState.ENABLED) {
+ logger.debug("{} is already enabled", controllerServiceNode);
+ return true;
+ }
+
Review Comment:
When an invalid controller service reschedules the task for enabling, it may
become enabled while waiting to retry, and this detects that.
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