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https://issues.apache.org/jira/browse/KAFKA-1256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jay Kreps resolved KAFKA-1256.
------------------------------
Resolution: Fixed
This was resolved so that the schema error always refers to the field that was
wrong.
> Improve error reporting in the Sender for request types
> -------------------------------------------------------
>
> Key: KAFKA-1256
> URL: https://issues.apache.org/jira/browse/KAFKA-1256
> Project: Kafka
> Issue Type: Sub-task
> Components: producer
> Affects Versions: 0.9.0
> Reporter: Neha Narkhede
> Priority: Critical
>
> I ran a test using the new mirror maker to copy one large topic and ran into
> the following error in the producer -
> java.lang.IllegalStateException: Attempt to begin a send operation with prior
> send operation still in progress.
> at org.apache.kafka.common.network.Selector.poll(Selector.java:188)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:151)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:98)
> at java.lang.Thread.run(Thread.java:619)
> org.apache.kafka.common.protocol.types.SchemaException:
> org.apache.kafka.common.protocol.types.SchemaException
> at org.apache.kafka.common.protocol.types.Schema.read(Schema.java:69)
> at
> org.apache.kafka.clients.producer.internals.Sender.handleResponses(Sender.java:288)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:158)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:98)
> at java.lang.Thread.run(Thread.java:619)
> org.apache.kafka.common.protocol.types.SchemaException:
> org.apache.kafka.common.protocol.types.SchemaException
> at org.apache.kafka.common.protocol.types.Schema.read(Schema.java:69)
> at
> org.apache.kafka.clients.producer.internals.Sender.handleResponses(Sender.java:288)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:158)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:98)
> at java.lang.Thread.run(Thread.java:619)
> It is unclear from just SchemaException what type it is complaining about
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