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https://issues.apache.org/jira/browse/KAFKA-4966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16598223#comment-16598223
]
Matt Wang commented on KAFKA-4966:
----------------------------------
I meet the same error, and it leads to the data loss, the exception is(the
version is 0.10.2.0):
{code:java}
// 2018-08-28 14:45:01.637 [kafka-producer-network-thread | XXX ERROR
org.apache.kafka.clients.NetworkClient - Uncaught error in request completion:
java.lang.NullPointerException: null
at org.apache.kafka.clients.producer.internals.Sender.canRetry(Sender.java:334)
[XXX]
at
org.apache.kafka.clients.producer.internals.Sender.completeBatch(Sender.java:294)
[XXX]
at
org.apache.kafka.clients.producer.internals.Sender.handleProduceResponse(Sender.java:270)
[XXX]
at
org.apache.kafka.clients.producer.internals.Sender.access$100(Sender.java:54)
[XXX]
at
org.apache.kafka.clients.producer.internals.Sender$1.onComplete(Sender.java:361)
~[XXX]
at org.apache.kafka.clients.ClientResponse.onComplete(ClientResponse.java:96)
~[XXX]
at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:368) ~[XXX]
at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:225) [XXX]
at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:126) [XXX]
at java.lang.Thread.run(Thread.java:745) [na:1.7.0_76]
{code}
> 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
> Priority: Major
>
> 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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