Github user alopresto commented on the issue:
https://github.com/apache/nifi/pull/2084
I [published the
results](https://gist.github.com/alopresto/df899c1e379fe48d830663313cf34db4) of
`mvn dependency:tree` on my local machine, and the reviewer can verify that the
only instances of `jackson-core` < 2.8.6 are:
* `nifi-gcp-processors - google-http-client-jackson2 - 2.1.3`
* `nifi-gcp-nar - google-http-client-jackson2 - 2.1.3`
* `nifi-spark-receiver - com.fasterxml.jackson.core.jackson-databind -
2.6.5`
by using the regex `jackson-core:jar:2.[^8]`.
All unit tests pass.
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