Github user jdye64 commented on the issue:
https://github.com/apache/nifi/pull/929
@jvwing wow sorry its been a long time for my response. I've tried to go
through and make all of the cleanup suggestions you have made.
Yes, the intention is a single output per sheet in the excel file. Keep in
mind that if the sheet is not .xlsx and rather .xls format you would see the
behavior you are experiencing. Can you attach the excel doc you were testing
with?
I made the change to case of the attribute
Also adjusted the error handling to prevent the end user from being
pummeled with a full stack trace.
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