KAP 5.1.0 - NGram Creator Node - bug?

Just a brief note that I’m getting a java error using the NGram Creator node. Details follow.

Regards
-Paul

version: Knime Analytics Platform v5.1.0

workflow:

  1. (table containing short strings)
  2. strings to Document node
  3. NGram Creator node

Bug:
In the NGram Creator node, options, NGram Settings, there is an option to set the NGram type (Word or Character)

  • When NGram type: Character is selected, the node fails with an error: “Execute failed: java.util.NoSuchElementException”
  • When NGram type: Word is selected, the node works properly

RESOLVED.
It seems the node does not handle any empty/null strings in the input table. (I have over 2 million rows - and with a couple of stray nulls removed, it now works doing Character-type NGrams).

Thanks

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