Github user revans2 commented on the issue:
https://github.com/apache/storm/pull/1808
@srdo as part of backporting this to 1.x I am going to need to make a
change to not use Function directly, because it is only in java 8. So to
maintain compatibility between 1.x and 2.x I am going to need to make a few
changes in this patch too.
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