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https://issues.apache.org/jira/browse/KAFKA-8235?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Matthias J. Sax resolved KAFKA-8235.
------------------------------------
    Resolution: Invalid

Closing this as "invalid" because the reported issue is part of a PR that it 
not merged yet.

I linked this ticket on the PR so it gets fixed before the PR is merged. Thanks 
for pointing it out. Next time, just comment on the PR. Thanks!

> NoSuchElementException when restoring state after a clean shutdown of a Kafka 
> Streams application
> -------------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-8235
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8235
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 2.3.0
>         Environment: Linux, CentOS 7, Java 1.8.0_191, 50 partitions per 
> topic, replication factor 3
>            Reporter: Andrew Klopper
>            Priority: Major
>
> While performing a larger scale test of a new Kafka Streams application that 
> performs aggregation and suppression, we have discovered that we are unable 
> to restart the application after a clean shutdown. The error that is logged 
> is:
> {code:java}
> [rollupd-5ee1997b-8302-4e88-b3db-a74c8b805a6c-StreamThread-1] ERROR 
> org.apache.kafka.streams.processor.internals.StreamThread - stream-thread 
> [rollupd-5ee1997b-8302-4e88-b3db-a74c8b805a6c-StreamThread-1] Encountered the 
> following error during processing:
> java.util.NoSuchElementException
> at java.util.TreeMap.key(TreeMap.java:1327)
> at java.util.TreeMap.firstKey(TreeMap.java:290)
> at 
> org.apache.kafka.streams.state.internals.InMemoryTimeOrderedKeyValueBuffer.restoreBatch(InMemoryTimeOrderedKeyValueBuffer.java:288)
> at 
> org.apache.kafka.streams.processor.internals.CompositeRestoreListener.restoreBatch(CompositeRestoreListener.java:89)
> at 
> org.apache.kafka.streams.processor.internals.StateRestorer.restore(StateRestorer.java:92)
> at 
> org.apache.kafka.streams.processor.internals.StoreChangelogReader.processNext(StoreChangelogReader.java:317)
> at 
> org.apache.kafka.streams.processor.internals.StoreChangelogReader.restore(StoreChangelogReader.java:92)
> at 
> org.apache.kafka.streams.processor.internals.TaskManager.updateNewAndRestoringTasks(TaskManager.java:328)
> at 
> org.apache.kafka.streams.processor.internals.StreamThread.runOnce(StreamThread.java:866)
> at 
> org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:804)
> at 
> org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:773)
> {code}
> The issue doesn't seem to occur for small amounts of data, but it doesn't 
> take a particularly large amount of data to trigger the problem either.
> Any assistance would be greatly appreciated.



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