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Posted to dev@kafka.apache.org by "Guozhang Wang (JIRA)" <ji...@apache.org> on 2015/12/23 22:24:46 UTC

[jira] [Updated] (KAFKA-2105) NullPointerException in client on MetadataRequest

     [ https://issues.apache.org/jira/browse/KAFKA-2105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guozhang Wang updated KAFKA-2105:
---------------------------------
    Reviewer: Gwen Shapira  (was: Jun Rao)

> NullPointerException in client on MetadataRequest
> -------------------------------------------------
>
>                 Key: KAFKA-2105
>                 URL: https://issues.apache.org/jira/browse/KAFKA-2105
>             Project: Kafka
>          Issue Type: Bug
>          Components: clients
>    Affects Versions: 0.8.2.1
>            Reporter: Roger Hoover
>            Priority: Minor
>         Attachments: guard-from-null.patch
>
>
> With the new producer, if you accidentally pass null to KafkaProducer.partitionsFor(null), it will cause the IO thread to throw NPE.
> Uncaught error in kafka producer I/O thread: 
> java.lang.NullPointerException
> 	at org.apache.kafka.common.utils.Utils.utf8Length(Utils.java:174)
> 	at org.apache.kafka.common.protocol.types.Type$5.sizeOf(Type.java:176)
> 	at org.apache.kafka.common.protocol.types.ArrayOf.sizeOf(ArrayOf.java:55)
> 	at org.apache.kafka.common.protocol.types.Schema.sizeOf(Schema.java:81)
> 	at org.apache.kafka.common.protocol.types.Struct.sizeOf(Struct.java:218)
> 	at org.apache.kafka.common.requests.RequestSend.serialize(RequestSend.java:35)
> 	at org.apache.kafka.common.requests.RequestSend.<init>(RequestSend.java:29)
> 	at org.apache.kafka.clients.NetworkClient.metadataRequest(NetworkClient.java:369)
> 	at org.apache.kafka.clients.NetworkClient.maybeUpdateMetadata(NetworkClient.java:391)
> 	at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:188)
> 	at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:191)
> 	at org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:122)
> 	at java.lang.Thread.run(Thread.java:745)



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