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https://issues.apache.org/jira/browse/KAFKA-1241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13896238#comment-13896238
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Neha Narkhede commented on KAFKA-1241:
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Got it. Do you want to fix the issue of better error messages for request types
in the Sender in another JIRA then? If so, I'm a +1 on this patch.
> Cryptic serde error messages in new producer
> --------------------------------------------
>
> Key: KAFKA-1241
> URL: https://issues.apache.org/jira/browse/KAFKA-1241
> Project: Kafka
> Issue Type: Bug
> Components: producer
> Affects Versions: 0.9.0
> Reporter: Neha Narkhede
> Assignee: Jay Kreps
> Priority: Critical
> Attachments: KAFKA-1241.patch
>
>
> One of the motivations for the new serde format is better error reporting. I
> was running a test on the new mirror maker when I saw this exception -
> java.nio.BufferUnderflowException
> at java.nio.Buffer.nextGetIndex(Buffer.java:480)
> at java.nio.HeapByteBuffer.getInt(HeapByteBuffer.java:336)
> at kafka.common.protocol.types.Type$3.read(Type.java:88)
> at kafka.common.protocol.types.Schema.read(Schema.java:50)
> at kafka.common.protocol.types.ArrayOf.read(ArrayOf.java:30)
> at kafka.common.protocol.types.Schema.read(Schema.java:50)
> at kafka.common.protocol.types.ArrayOf.read(ArrayOf.java:30)
> at kafka.common.protocol.types.Schema.read(Schema.java:50)
> at
> kafka.clients.producer.internals.Sender.handleResponses(Sender.java:273)
> at kafka.clients.producer.internals.Sender.run(Sender.java:144)
> at kafka.clients.producer.internals.Sender.run(Sender.java:84)
> at java.lang.Thread.run(Thread.java:619)
> I was expecting to see a precise error message about the Request type that
> serde failed for. Instead it says Type$3 and no information on which field.
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