Hi,
are you using the WindowFunction in
org.apache.flink.streaming.api.scala.function? It's a bit tricky because
there is another WindowFunction in another package.
Cheers,
Aljoscha
On Tue, 13 Dec 2016 at 13:48 MIkkel Islay wrote:
> (The following is a cross-post of a Stack Overflow question at
(The following is a cross-post of a Stack Overflow question at
https://stackoverflow.com/questions/41105142/windowfunction-extension-does-not-match-windowedstream-apply-signatures
)
Why does the below error occur?
Given this extension to WindowFunction:
class TestWinFunc extends WindowFunction