Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/4734
Maybe you could rebase your work on top of
https://github.com/tillrohrmann/flink/tree/FLINK-7870. That's the branch where
I stacked multiple of the pending handler PRs and which I will merge shortly
after the 1.4 release branch has been cut.---
