Github user ijokarumawak commented on the issue: https://github.com/apache/nifi/pull/497 @markap14 Fixed the sending data issue. The reason was I didn't call ByteBuffer clear() and didn't closed PipedOutputStream properly. Sorry for the inconvenience. Please try it again. Also, I fixed the Remote Process Group Port so that useCompression can be set from UI. It seems the UI configuration hasn't been used. I'll send another PR for 0.x branch for that.
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