Github user viazovskyi commented on the issue:
https://github.com/apache/nifi/pull/2657
@joewitt if i put it closer to the catch i'm afraid the flag will not be
reset due to [line
377](https://github.com/apache/nifi/blob/rel/nifi-1.6.0/nifi-nar-bundles/nifi-extension-utils/nifi-processor-utils/src/main/java/org/apache/nifi/processor/util/list/AbstractListProcessor.java#L377)
where onTrigger method hits the context.yield() and returns if nothing was
changed from the previous run. That was the initial idea to reset it as soon as
possible.
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