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https://issues.apache.org/jira/browse/KAFKA-2105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daneel Yaitskov updated KAFKA-2105:
-----------------------------------
Attachment: guard-from-null.patch
The patch checks that the argument of partitionsFor is not null.
> 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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