Hi Dimitry, I'm happy to help, but I could use more information. Can you share the streams logs and broker logs?
Have you confirmed messages are still being delivered to topics (via console consumer)? Thanks, Bill On Wed, Jun 28, 2017 at 8:24 AM, Dmitriy Vsekhvalnov <dvsekhval...@gmail.com > wrote: > Hi all, > > looking for some assistance in debugging kafka-streams application. > > Kafka broker 0.10.2.1 - x3 Node cluster > kafka-streams 0.10.2.1 - x2 application nodes x 1 stream thread each. > > In streams configuration only: > - SSL transport > - kafka.streams.commitIntervalMs set to 5000 (instead of default 30s). > > We running simple aggregation app with several grouping streams. Running 2 > instances of an app for redundancy. Both instances were working pretty fine > for 11 hours 15 minutes then stopped consuming new events from topic. > > Hosting JVM processes were working fine, just streams stopped reacting to > new data. No exceptions, errors, e.t.c. in logs. After restart streams > still not consuming new messages. > > Below is 2 last entries from kafka-streams logs from both hosts: > > [2017-06-27 14:45:09,663] [] [INFO ] [StreamThread-1] > [org.apache.kafka.streams.processor.internals.StreamThread] [stream-thread > [StreamThread-1] Committing task StreamTask 4_2] > > [2017-06-27 14:45:09,723] [] [INFO ] [StreamThread-1] > [org.apache.kafka.streams.processor.internals.StreamThread] [stream-thread > [StreamThread-1] Committing task StreamTask 2_1] > > Pretty puzzling why they stopped exactly same moment (with respect to > millis). > > Really appreciate any ideas where to dig to. > > Thank you. >