[jira] [Resolved] (KAFKA-15463) StreamsException: Accessing from an unknown node

["A. Sophie Blee-Goldman (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-15463?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

A. Sophie Blee-Goldman resolved KAFKA-15463.
--------------------------------------------
    Resolution: Not A Problem

>  StreamsException: Accessing from an unknown node
> -------------------------------------------------
>
>                 Key: KAFKA-15463
>                 URL: https://issues.apache.org/jira/browse/KAFKA-15463
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>    Affects Versions: 3.2.1
>            Reporter: Yevgeny
>            Priority: Major
>
> After some time application was working fine, starting to get:
>  
> This is springboot application runs in kubernetes as stateful pod.
>  
>  
>  
> {code:java}
>   Exception in thread "xxxxxxxxxxxx-ddf9819f-d6c7-46ce-930e-cd923e1b3c2c-StreamThread-1" org.apache.kafka.streams.errors.StreamsException: Accessing from an unknown node at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.getStateStore(ProcessorContextImpl.java:162) at myclass1.java:28) at myclass2.java:48) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1602) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:129) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:527) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:513) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.allMatch(ReferencePipeline.java:637) at myclass3.java:48) at org.apache.kafka.streams.kstream.internals.TransformerSupplierAdapter$1.transform(TransformerSupplierAdapter.java:49) at org.apache.kafka.streams.kstream.internals.TransformerSupplierAdapter$1.transform(TransformerSupplierAdapter.java:38) at org.apache.kafka.streams.kstream.internals.KStreamFlatTransform$KStreamFlatTransformProcessor.process(KStreamFlatTransform.java:66) at org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:146) at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forwardInternal(ProcessorContextImpl.java:275) at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:254) at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:213) at org.apache.kafka.streams.processor.internals.SourceNode.process(SourceNode.java:84) at org.apache.kafka.streams.processor.internals.StreamTask.lambda$doProcess$1(StreamTask.java:780) at org.apache.kafka.streams.processor.internals.metrics.StreamsMetricsImpl.maybeMeasureLatency(StreamsMetricsImpl.java:809) at org.apache.kafka.streams.processor.internals.StreamTask.doProcess(StreamTask.java:780) at org.apache.kafka.streams.processor.internals.StreamTask.process(StreamTask.java:711) at org.apache.kafka.streams.processor.internals.TaskExecutor.processTask(TaskExecutor.java:100) at org.apache.kafka.streams.processor.internals.TaskExecutor.process(TaskExecutor.java:81) at org.apache.kafka.streams.processor.internals.TaskManager.process(TaskManager.java:1177) at org.apache.kafka.streams.processor.internals.StreamThread.runOnce(StreamThread.java:769) at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:589) at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:551)   {code}
>  
> stream-thread [xxxxxxxxxxxx-ddf9819f-d6c7-46ce-930e-cd923e1b3c2c-StreamThread-1] State transition from PENDING_SHUTDOWN to DEAD
>  
>  
> Transformer is Prototype bean, the supplier supplys new instance of the Transformer:
>  
>  
> {code:java}
> @Override public Transformer<String, MyItem, KeyValue<String, MyItem>> get() {     return ctx.getBean(MyTransformer.class); }{code}
>  
>  
> The only way to recover is to delete all topics used by kafkastreams, even if application restarted same exception is thrown.
> *If messages in internal topics of 'store-changelog'  are deleted/offset manipulated, can it cause the issue?



--
This message was sent by Atlassian Jira
(v8.20.10#820010)