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https://issues.apache.org/jira/browse/KAFKA-12774?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Bruno Cadonna resolved KAFKA-12774.
-----------------------------------
Resolution: Cannot Reproduce
> kafka-streams 2.8: logging in uncaught-exceptionhandler doesn't go through
> log4j
> --------------------------------------------------------------------------------
>
> Key: KAFKA-12774
> URL: https://issues.apache.org/jira/browse/KAFKA-12774
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 2.8.0
> Reporter: Jørgen
> Priority: Minor
>
> When exceptions is handled in the uncaught-exception handler introduced in
> KS2.8, the logging of the stacktrace doesn't seem to go through the logging
> framework configured by the application (log4j2 in our case), but gets
> printed to console "line-by-line".
> All other exceptions logged by kafka-streams go through log4j2 and gets
> formatted properly according to the log4j2 appender (json in our case).
> Haven't tested this on other frameworks like logback.
> Application setup:
> * Spring-boot 2.4.5
> * Log4j 2.13.3
> * Slf4j 1.7.30
> Log4j2 appender config:
> {code:java}
> <Appenders>
> <Console name="Console" target="SYSTEM_OUT">
> <JSONLayout complete="false" compact="true" eventEol="true"
> stacktraceAsString="true" properties="true">
> <KeyValuePair key="timestamp"
> value="$${date:yyyy-MM-dd'T'HH:mm:ss.SSSZ}"/>
> </JSONLayout>
> </Console>
> </Appenders> {code}
> Uncaught exception handler config:
> {code:java}
> kafkaStreams.setUncaughtExceptionHandler { exception ->
> logger.warn("Uncaught exception handled - replacing thread", exception)
> // logged properly
>
> StreamsUncaughtExceptionHandler.StreamThreadExceptionResponse.REPLACE_THREAD
> } {code}
> Stacktrace that gets printed line-by-line:
> {code:java}
> Exception in thread "xxx-f5860dff-9a41-490e-8ab0-540b1a7f9ce4-StreamThread-2"
> org.apache.kafka.streams.errors.StreamsException: Error encountered sending
> record to topic xxx-repartition for task 3_2 due
> to:org.apache.kafka.common.errors.InvalidPidMappingException: The producer
> attempted to use a producer id which is not currently assigned to its
> transactional id.Exception handler choose to FAIL the processing, no more
> records would be sent. at
> org.apache.kafka.streams.processor.internals.RecordCollectorImpl.recordSendError(RecordCollectorImpl.java:226)
> at
> org.apache.kafka.streams.processor.internals.RecordCollectorImpl.lambda$send$0(RecordCollectorImpl.java:196)
> at
> org.apache.kafka.clients.producer.KafkaProducer$InterceptorCallback.onCompletion(KafkaProducer.java:1365)
> at
> org.apache.kafka.clients.producer.internals.ProducerBatch.completeFutureAndFireCallbacks(ProducerBatch.java:231)
> at
> org.apache.kafka.clients.producer.internals.ProducerBatch.abort(ProducerBatch.java:159)
> at
> org.apache.kafka.clients.producer.internals.RecordAccumulator.abortUndrainedBatches(RecordAccumulator.java:783)
> at
> org.apache.kafka.clients.producer.internals.Sender.maybeSendAndPollTransactionalRequest(Sender.java:430)
> at
> org.apache.kafka.clients.producer.internals.Sender.runOnce(Sender.java:315)
> at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:242)
> at java.base/java.lang.Thread.run(Unknown Source)Caused by:
> org.apache.kafka.common.errors.InvalidPidMappingException: The producer
> attempted to use a producer id which is not currently assigned to its
> transactional id. {code}
>
> It's a little bit hard to reproduce as I haven't found any way to trigger
> uncaught-exception-handler through junit-tests.
> Link to discussion on slack:
> https://confluentcommunity.slack.com/archives/C48AHTCUQ/p1620389197436700
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