[jira] [Assigned] (KAFKA-10645) Forwarding a record from a punctuator sometimes it results in a NullPointerException

["Luke Chen (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-10645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luke Chen reassigned KAFKA-10645:
---------------------------------

    Assignee: Luke Chen

> Forwarding a record from a punctuator sometimes it results in a NullPointerException
> ------------------------------------------------------------------------------------
>
>                 Key: KAFKA-10645
>                 URL: https://issues.apache.org/jira/browse/KAFKA-10645
>             Project: Kafka
>          Issue Type: Bug
>          Components: clients
>    Affects Versions: 2.5.0
>            Reporter: Filippo Machi
>            Assignee: Luke Chen
>            Priority: Major
>
> Hello,
>  I am working on a java kafka stream application (v. 2.5.0) running on a kubernetes cluster.
> It´s a springboot application running with java 8.
> With the last upgrade to version 2.5.0 I started to see into the logs some NullPointerException that are happening when forwarding a record from a punctuator. 
>  This is the stacktrace of the exception
> {code:java}
> Caused by: org.apache.kafka.streams.errors.StreamsException: task [2_2] Abort sending since an error caught with a previous record (timestamp 1603721062667) to topic reply-reminder-push-sender due to java.lang.NullPointerException\tat org.apache.kafka.streams.processor.internals.RecordCollectorImpl.send(RecordCollectorImpl.java:240)\tat org.apache.kafka.streams.processor.internals.RecordCollectorImpl.send(RecordCollectorImpl.java:111)\tat org.apache.kafka.streams.processor.internals.SinkNode.process(SinkNode.java:89)\tat org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:201)\tat org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:180)\tat org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:133)\t... 24 common frames omittedCaused by: java.lang.NullPointerException: null\tat org.apache.kafka.common.record.DefaultRecord.sizeOf(DefaultRecord.java:613)\tat org.apache.kafka.common.record.DefaultRecord.recordSizeUpperBound(DefaultRecord.java:633)\tat org.apache.kafka.common.record.DefaultRecordBatch.estimateBatchSizeUpperBound(DefaultRecordBatch.java:534)\tat org.apache.kafka.common.record.AbstractRecords.estimateSizeInBytesUpperBound(AbstractRecords.java:135)\tat org.apache.kafka.common.record.AbstractRecords.estimateSizeInBytesUpperBound(AbstractRecords.java:125)\tat org.apache.kafka.clients.producer.KafkaProducer.doSend(KafkaProducer.java:914)\tat org.apache.kafka.clients.producer.KafkaProducer.send(KafkaProducer.java:862)\tat org.apache.kafka.streams.processor.internals.RecordCollectorImpl.send(RecordCollectorImpl.java:181)\t... 29 common frames omitted
> {code}
> Checking the code, it looks like it happens calculating the size of the record. There is one header that is null but I don´t think I can control those headers right?
> Thanks a lot



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