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https://issues.apache.org/jira/browse/KAFKA-4966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15946410#comment-15946410
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Ismael Juma commented on KAFKA-4966:
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[~wangbo23], can you please post the stacktrace for the trunk case then?
> Producer throw a NullPointerException under a network environment where
> packet loss and error packets exist.
> ------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-4966
> URL: https://issues.apache.org/jira/browse/KAFKA-4966
> Project: Kafka
> Issue Type: Bug
> Components: clients
> Affects Versions: 0.10.0.1, 0.10.2.0
> Reporter: Bo Wang
>
> 2017-03-27 18:45:54,757 | ERROR | [kafka-producer-network-thread |
> producer-1] | Uncaught error in request completion: |
> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:284)
> java.lang.NullPointerException
> at
> org.apache.kafka.clients.producer.internals.Sender.canRetry(Sender.java:342)
> at
> org.apache.kafka.clients.producer.internals.Sender.completeBatch(Sender.java:310)
> at
> org.apache.kafka.clients.producer.internals.Sender.handleProduceResponse(Sender.java:286)
> at
> org.apache.kafka.clients.producer.internals.Sender.access$100(Sender.java:57)
> at
> org.apache.kafka.clients.producer.internals.Sender$1.onComplete(Sender.java:372)
> at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:282)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:241)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:136)
> at java.lang.Thread.run(Thread.java:745)
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