Github user vasia commented on the issue:
https://github.com/apache/flink/pull/2842
Hi @greghogan,
I was able to fix the problem in `fromDataSet()` and `groupReduceOnEdges()`
with `EdgesFunction`. In the rest of the uses, I don't seem to find a way to
pass all the input types correctly. The remaining cases all have 3 input types
and the `createTypeInfo()` method only accepts two. I have also tried
extracting the input types from the wrapping functions, but that didn't work
either. Any ideas?
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