Github user jfrazee commented on the issue:
https://github.com/apache/nifi/pull/1290
@klinvill Do you know what version of NiFi you were running against? The
NumberFormatException error was fixed in 1.1.0 by
[NIFI-2887](https://issues.apache.org/jira/browse/NIFI-2887) and a relevant
segment added to the unit tests.
[NIFI-3142](https://issues.apache.org/jira/browse/NIFI-3142) suggests you ran
into this against 1.0.0, and given the time you reported it at NiFi 1.1.0 had
only been out for a short time so I wouldn't be surprised if you hadn't
upgraded yet. Is this right? As for the NPE, I'll see if I can reproduce it but
I don't know if I exactly follow the scenario. Is it an unrecognized segment
name as in it's just bad HL7 or a segment that's unsupported for a particular
version?
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