Github user trixpan commented on the issue:
https://github.com/apache/nifi/pull/858
@pvillard31 it is a bug caused by an extra newline. I missed due to some
simplifications done within the jUnit.
It is caused by the new line present in here:
https://github.com/apache/nifi/pull/858/files#diff-5c34d310642cc536b1c8b2f6a87c7043R223
This newline should only be added if the processor is operating in batch
mode.
In summary the whois input should be:
`origin 123.36.123.1`
instead of
```
origin
123.36.123.1
```
You can reproduce by doing a telnet to port 43 and sending the payloads
above.
Will fix and re-upload soon
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