Robert Metzger created FLINK-3288:
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Summary: KafkaConsumer (0.8) fails with UnknownException
Key: FLINK-3288
URL: https://issues.apache.org/jira/browse/FLINK-3288
Project: Flink
Issue Type: Bug
Components: Kafka Connector
Reporter: Robert Metzger
Assignee: Robert Metzger
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Exception for partition 19: kafka.common.UnknownException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at java.lang.Class.newInstance(Class.java:383)
at kafka.common.ErrorMapping$.exceptionFor(ErrorMapping.scala:86)
at kafka.common.ErrorMapping.exceptionFor(ErrorMapping.scala)
at
org.apache.flink.streaming.connectors.kafka.internals.LegacyFetcher$SimpleConsumerThread.run(LegacyFetcher.java:406)
at
org.apache.flink.streaming.connectors.kafka.internals.LegacyFetcher.run(LegacyFetcher.java:242)
at
org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer.run(FlinkKafkaConsumer.java:397)
at
org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:58)
at
org.apache.flink.streaming.runtime.tasks.SourceStreamTask.run(SourceStreamTask.java:55)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:218)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:584)
at java.lang.Thread.run(Thread.java:745)
{code}
One of the Kafka brokers is reporting
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[2016-01-25 12:45:30,195] ERROR [Replica Manager on Broker 2]: Error when
processing fetch request for partition [WordCount,4] offset 335517 from
consumer with correlation id 0. Possible cause: Attempt to read with a maximum
offset (335515) less than the start offset (335517).
(kafka.server.ReplicaManager)
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