Github user mattyb149 commented on the issue:
https://github.com/apache/nifi/pull/2245
@jdye64 I think I fixed the issue you were seeing. We have to do most of
the schema resolution/management manually, Jackson's methods for handling that
don't seem to work for what we need. So I removed the setting of column names
on the parser, having the column names changed the parser to want an actual
array with [] surrounding the line (weird, right?). Then for files without
headers, I needed to make sure we used the schema field names, so I had to
adjust the logic where "rawFieldNames" is generated. Mind taking a look at
this latest version? Please and thanks!
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