I might have run into a related problem: [StreamThread-1] ERROR org.apache.kafka.streams.processor.internals.StreamThread - stream-thread [StreamThread-1] Failed to close state manager for StreamTask 0_0: org.apache.kafka.streams.errors.ProcessorStateException: task [0_0] Failed to close state store addr-organization
at org.apache.kafka.streams.processor.internals.ProcessorStateManager.close(ProcessorStateManager.java:342) at org.apache.kafka.streams.processor.internals.AbstractTask.closeStateManager(AbstractTask.java:121) at org.apache.kafka.streams.processor.internals.StreamThread$2.apply(StreamThread.java:341) at org.apache.kafka.streams.processor.internals.StreamThread.performOnAllTasks(StreamThread.java:322) at org.apache.kafka.streams.processor.internals.StreamThread.closeAllStateManagers(StreamThread.java:338) at org.apache.kafka.streams.processor.internals.StreamThread.shutdownTasksAndState(StreamThread.java:299) at org.apache.kafka.streams.processor.internals.StreamThread.shutdown(StreamThread.java:262) at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:245) Caused by: java.lang.IllegalStateException: Key found in dirty key set, but entry is null at org.apache.kafka.streams.state.internals.NamedCache.flush(NamedCache.java:112) at org.apache.kafka.streams.state.internals.ThreadCache.flush(ThreadCache.java:100) at org.apache.kafka.streams.state.internals.CachingKeyValueStore.flush(CachingKeyValueStore.java:111) at org.apache.kafka.streams.state.internals.CachingKeyValueStore.close(CachingKeyValueStore.java:117) at org.apache.kafka.streams.processor.internals.ProcessorStateManager.close(ProcessorStateManager.java:340) ... 7 more I haven't done much research and it is quite possible there is a bug on my side, but I don't think I should be seeing this. On Thu, Oct 13, 2016 at 10:18 PM, Guozhang Wang <wangg...@gmail.com> wrote: > BTW this is tracked and resolved as > https://issues.apache.org/jira/browse/KAFKA-4300. > > On Thu, Oct 13, 2016 at 1:17 PM, Guozhang Wang <wangg...@gmail.com> wrote: > > > Thanks Frank for reporting the bug, and many thanks to Damian for the > > quick catch! > > > > On Thu, Oct 13, 2016 at 12:30 PM, Frank Lyaruu <flya...@gmail.com> > wrote: > > > >> The issue seems to be gone. Amazing work, thanks...! > >> > >> On Thu, Oct 13, 2016 at 6:56 PM, Damian Guy <damian....@gmail.com> > wrote: > >> > >> > Hi, i believe i found the problem. If possible could you please try > with > >> > this: https://github.com/dguy/kafka/tree/cache-bug > >> > > >> > Thanks, > >> > Damian > >> > > >> > On Thu, 13 Oct 2016 at 17:46 Damian Guy <damian....@gmail.com> wrote: > >> > > >> > > Hi Frank, > >> > > > >> > > Thanks for reporting. Can you provide a sample of the join you are > >> > > running? > >> > > > >> > > Thanks, > >> > > Damian > >> > > > >> > > On Thu, 13 Oct 2016 at 16:10 Frank Lyaruu <flya...@gmail.com> > wrote: > >> > > > >> > > Hi Kafka people, > >> > > > >> > > I'm joining a bunch of Kafka Topics using Kafka Streams, with the > >> Kafka > >> > > 0.10.1 release candidate. > >> > > > >> > > It runs ok for a few thousand of messages, and then it dies with the > >> > > following exception: > >> > > > >> > > Exception in thread "StreamThread-1" java.lang.NullPointerException > >> > > at > >> > > > >> > > org.apache.kafka.streams.state.internals.NamedCache. > >> > evict(NamedCache.java:194) > >> > > at > >> > > > >> > > org.apache.kafka.streams.state.internals.ThreadCache. > >> > maybeEvict(ThreadCache.java:190) > >> > > at > >> > > > >> > > org.apache.kafka.streams.state.internals.ThreadCache. > >> > put(ThreadCache.java:121) > >> > > at > >> > > > >> > > org.apache.kafka.streams.state.internals.CachingKeyValueStore.get( > >> > CachingKeyValueStore.java:147) > >> > > at > >> > > > >> > > org.apache.kafka.streams.state.internals.CachingKeyValueStore.get( > >> > CachingKeyValueStore.java:134) > >> > > at > >> > > > >> > > org.apache.kafka.streams.kstream.internals.KTableReduce$ > >> > KTableAggregateValueGetter.get(KTableReduce.java:121) > >> > > at > >> > > > >> > > org.apache.kafka.streams.kstream.internals.KTableKTableLeftJoin$ > >> > KTableKTableLeftJoinProcessor.process(KTableKTableLeftJoin.java:77) > >> > > at > >> > > > >> > > org.apache.kafka.streams.kstream.internals.KTableKTableLeftJoin$ > >> > KTableKTableLeftJoinProcessor.process(KTableKTableLeftJoin.java:48) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals.ProcessorNode.process( > >> > ProcessorNode.java:82) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals. > >> > ProcessorContextImpl.forward(ProcessorContextImpl.java:204) > >> > > at > >> > > > >> > > org.apache.kafka.streams.kstream.internals.KTableFilter$ > >> > KTableFilterProcessor.process(KTableFilter.java:83) > >> > > at > >> > > > >> > > org.apache.kafka.streams.kstream.internals.KTableFilter$ > >> > KTableFilterProcessor.process(KTableFilter.java:73) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals.ProcessorNode.process( > >> > ProcessorNode.java:82) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals. > >> > ProcessorContextImpl.forward(ProcessorContextImpl.java:204) > >> > > at > >> > > > >> > > org.apache.kafka.streams.kstream.internals.KTableFilter$ > >> > KTableFilterProcessor.process(KTableFilter.java:83) > >> > > at > >> > > > >> > > org.apache.kafka.streams.kstream.internals.KTableFilter$ > >> > KTableFilterProcessor.process(KTableFilter.java:73) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals.ProcessorNode.process( > >> > ProcessorNode.java:82) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals. > >> > ProcessorContextImpl.forward(ProcessorContextImpl.java:204) > >> > > at > >> > > > >> > > org.apache.kafka.streams.kstream.internals.KTableKTableJoinMerger$ > >> > KTableKTableJoinMergeProcessor.process(KTableKTableJoinMerger.java: > 52) > >> > > at > >> > > > >> > > org.apache.kafka.streams.kstream.internals.KTableKTableJoinMerger$ > >> > KTableKTableJoinMergeProcessor.process(KTableKTableJoinMerger.java: > 49) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals.ProcessorNode.process( > >> > ProcessorNode.java:82) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals. > >> > ProcessorContextImpl.forward(ProcessorContextImpl.java:204) > >> > > at > >> > > > >> > > org.apache.kafka.streams.kstream.internals.KTableKTableRightJoin$ > >> > KTableKTableRightJoinProcessor.process(KTableKTableRightJoin.java:83) > >> > > at > >> > > > >> > > org.apache.kafka.streams.kstream.internals.KTableKTableRightJoin$ > >> > KTableKTableRightJoinProcessor.process(KTableKTableRightJoin.java:49) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals.ProcessorNode.process( > >> > ProcessorNode.java:82) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals. > >> > ProcessorContextImpl.forward(ProcessorContextImpl.java:204) > >> > > at > >> > > > >> > > org.apache.kafka.streams.kstream.internals.ForwardingCacheFl > >> ushListener. > >> > apply(ForwardingCacheFlushListener.java:35) > >> > > at > >> > > > >> > > org.apache.kafka.streams.state.internals.CachingKeyValueStore. > >> > maybeForward(CachingKeyValueStore.java:97) > >> > > at > >> > > > >> > > org.apache.kafka.streams.state.internals. > CachingKeyValueStore.access$ > >> > 000(CachingKeyValueStore.java:34) > >> > > at > >> > > > >> > > org.apache.kafka.streams.state.internals.CachingKeyValueStor > >> e$1.apply( > >> > CachingKeyValueStore.java:84) > >> > > at > >> > > > >> > > org.apache.kafka.streams.state.internals.NamedCache. > >> > flush(NamedCache.java:117) > >> > > at > >> > > > >> > > org.apache.kafka.streams.state.internals.NamedCache. > >> > evict(NamedCache.java:196) > >> > > at > >> > > > >> > > org.apache.kafka.streams.state.internals.ThreadCache. > >> > maybeEvict(ThreadCache.java:190) > >> > > at > >> > > > >> > > org.apache.kafka.streams.state.internals.ThreadCache. > >> > put(ThreadCache.java:121) > >> > > at > >> > > > >> > > org.apache.kafka.streams.state.internals.CachingKeyValueStore.put( > >> > CachingKeyValueStore.java:187) > >> > > at > >> > > > >> > > org.apache.kafka.streams.state.internals.CachingKeyValueStore.put( > >> > CachingKeyValueStore.java:182) > >> > > at > >> > > > >> > > org.apache.kafka.streams.kstream.internals.KTableReduce$ > >> > KTableReduceProcessor.process(KTableReduce.java:92) > >> > > at > >> > > > >> > > org.apache.kafka.streams.kstream.internals.KTableReduce$ > >> > KTableReduceProcessor.process(KTableReduce.java:52) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals.ProcessorNode.process( > >> > ProcessorNode.java:82) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals. > >> > ProcessorContextImpl.forward(ProcessorContextImpl.java:204) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals. > >> > SourceNode.process(SourceNode.java:66) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals. > >> > StreamTask.process(StreamTask.java:177) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals.StreamThread.runLoop( > >> > StreamThread.java:427) > >> > > at > >> > > > >> > > org.apache.kafka.streams.processor.internals. > >> > StreamThread.run(StreamThread.java:235) > >> > > > >> > > I know this isn't a great bug report, as I can't seem to reproduce > >> this > >> > in > >> > > a more sandboxed situation. Any tips / ideas for further steps? > >> > > > >> > > > >> > > >> > > > > > > > > -- > > -- Guozhang > > > > > > -- > -- Guozhang >
