Github user jtstorck commented on the issue:
https://github.com/apache/nifi/pull/1528
FYI, some issues have been noticed with Hadoop and Kerberos in the NiFi
HDFS processors. There's JIRA that I'm working on to fix a scenario where
Kerberos principals end up getting switched between multiple processors. It's
due to the UserGroupInformation class being shared by two instances of
processors from the same NAR. The fix involves not depending on
nifi-hadoop-libraries-nar, and including the hadoop-client dependency directly
in the nifi-hdfs-processors pom.
Once the Kite processors support Kerberos, they'll most likely have the
same issue, and a similar change will have to be made to the POMs.
For reference, the JIRA is: https://issues.apache.org/jira/browse/NIFI-3520
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