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Seweryn Habdank-Wojewodzki commented on KAFKA-5882: --------------------------------------------------- They are not exactly the same. I will try to collect some from 0.11.0.2. The stacktraces from the version 1.0.0 are already in the ticket or in the comments. > NullPointerException in StreamTask > ---------------------------------- > > Key: KAFKA-5882 > URL: https://issues.apache.org/jira/browse/KAFKA-5882 > Project: Kafka > Issue Type: Bug > Components: streams > Affects Versions: 0.11.0.0, 0.11.0.1, 0.11.0.2 > Reporter: Seweryn Habdank-Wojewodzki > Priority: Major > > It seems bugfix [KAFKA-5073|https://issues.apache.org/jira/browse/KAFKA-5073] > is made, but introduce some other issue. > In some cases (I am not sure which ones) I got NPE (below). > I would expect that even in case of FATAL error anythink except NPE is thrown. > {code} > 2017-09-12 23:34:54 ERROR ConsumerCoordinator:269 - User provided listener > org.apache.kafka.streams.processor.internals.StreamThread$RebalanceListener > for group streamer failed on partition assignment > java.lang.NullPointerException: null > at > org.apache.kafka.streams.processor.internals.StreamTask.<init>(StreamTask.java:123) > ~[myapp-streamer.jar:?] > at > org.apache.kafka.streams.processor.internals.StreamThread.createStreamTask(StreamThread.java:1234) > ~[myapp-streamer.jar:?] > at > org.apache.kafka.streams.processor.internals.StreamThread$TaskCreator.createTask(StreamThread.java:294) > ~[myapp-streamer.jar:?] > at > org.apache.kafka.streams.processor.internals.StreamThread$AbstractTaskCreator.retryWithBackoff(StreamThread.java:254) > ~[myapp-streamer.jar:?] > at > org.apache.kafka.streams.processor.internals.StreamThread.addStreamTasks(StreamThread.java:1313) > ~[myapp-streamer.jar:?] > at > org.apache.kafka.streams.processor.internals.StreamThread.access$1100(StreamThread.java:73) > ~[myapp-streamer.jar:?] > at > org.apache.kafka.streams.processor.internals.StreamThread$RebalanceListener.onPartitionsAssigned(StreamThread.java:183) > ~[myapp-streamer.jar:?] > at > org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.onJoinComplete(ConsumerCoordinator.java:265) > [myapp-streamer.jar:?] > at > org.apache.kafka.clients.consumer.internals.AbstractCoordinator.joinGroupIfNeeded(AbstractCoordinator.java:363) > [myapp-streamer.jar:?] > at > org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:310) > [myapp-streamer.jar:?] > at > org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:297) > [myapp-streamer.jar:?] > at > org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1078) > [myapp-streamer.jar:?] > at > org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1043) > [myapp-streamer.jar:?] > at > org.apache.kafka.streams.processor.internals.StreamThread.pollRequests(StreamThread.java:582) > [myapp-streamer.jar:?] > at > org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:553) > [myapp-streamer.jar:?] > at > org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:527) > [myapp-streamer.jar:?] > 2017-09-12 23:34:54 INFO StreamThread:1040 - stream-thread > [streamer-3a44578b-faa8-4b5b-bbeb-7a7f04639563-StreamThread-1] Shutting down > 2017-09-12 23:34:54 INFO KafkaProducer:972 - Closing the Kafka producer with > timeoutMillis = 9223372036854775807 ms. > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)