Github user apiri commented on the pull request:
https://github.com/apache/nifi/pull/183#issuecomment-176597280
Agree with @JPercivall regarding the rollback to be able to get a full
handle on rolled back files for a given session/execution to understand how the
processor behaved. Scanning through the codebase, these are a minority of
usages and typically would only get invoked when there is a dev issue causing
exceptions, but could see it getting more usage within
AbstractionSessionFactory based processors where that functionality could be
preferred. Seems like a quick effort for consistency.
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