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Kevin Chilton commented on RYA-469: ----------------------------------- I think we've figured out what is causing this. It seems to only happen when you are processing multiple queries whose join variables match each-other. I think the stream jobs are all using the same RocksDB instance, and there may be a problem with key overlap or something. We should add some debug logs that write out everything that happens after the bad state has been discovered before throwing the exception. > Rya Streams - Join iterator bug. > -------------------------------- > > Key: RYA-469 > URL: https://issues.apache.org/jira/browse/RYA-469 > Project: Rya > Issue Type: Bug > Reporter: Kevin Chilton > Assignee: Eric White > Priority: Major > > {code:java} > Exception in thread "StreamThread-3" java.lang.RuntimeException: Problem > encountered while iterating over the other side's values within the state > store. > at > org.apache.rya.streams.kafka.processors.join.JoinProcessorSupplier$JoinProcessor.process(JoinProcessorSupplier.java:178) > at > org.apache.rya.streams.kafka.processors.join.JoinProcessorSupplier$JoinProcessor.process(JoinProcessorSupplier.java:95) > at > org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:68) > at > org.apache.kafka.streams.processor.internals.StreamTask.forward(StreamTask.java:343) > at > org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:187) > at > org.apache.rya.streams.kafka.processors.StatementPatternProcessorSupplier$StatementPatternProcessor.process(StatementPatternProcessorSupplier.java:112) > at > org.apache.rya.streams.kafka.processors.StatementPatternProcessorSupplier$StatementPatternProcessor.process(StatementPatternProcessorSupplier.java:70) > at > org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:68) > at > org.apache.kafka.streams.processor.internals.StreamTask.forward(StreamTask.java:343) > at > org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:187) > at > org.apache.kafka.streams.processor.internals.SourceNode.process(SourceNode.java:64) > at > org.apache.kafka.streams.processor.internals.StreamTask.process(StreamTask.java:174) > at > org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:320) > at > org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:218) > Caused by: java.lang.IllegalStateException: The end of range marker must be > the last key in the iterator. > at > org.apache.rya.streams.kafka.processors.join.KeyValueJoinStateStore$1.readNext(KeyValueJoinStateStore.java:221) > at > org.apache.rya.streams.kafka.processors.join.KeyValueJoinStateStore$1.next(KeyValueJoinStateStore.java:188) > at > org.apache.rya.streams.kafka.processors.join.KeyValueJoinStateStore$1.next(KeyValueJoinStateStore.java:158) > at > org.apache.rya.api.function.join.LazyJoiningIterator.next(LazyJoiningIterator.java:77) > at > org.apache.rya.api.function.join.LazyJoiningIterator.next(LazyJoiningIterator.java:41) > at > org.apache.rya.streams.kafka.processors.join.JoinProcessorSupplier$JoinProcessor.process(JoinProcessorSupplier.java:170) > ... 13 more{code} > -- This message was sent by Atlassian JIRA (v7.6.3#76005)