[jira] [Created] (KAFKA-1806) broker can still expose uncommitted data to a consumer

[lokesh Birla (JIRA)]

lokesh Birla created KAFKA-1806:
-----------------------------------

             Summary: broker can still expose uncommitted data to a consumer
                 Key: KAFKA-1806
                 URL: https://issues.apache.org/jira/browse/KAFKA-1806
             Project: Kafka
          Issue Type: Bug
          Components: consumer
    Affects Versions: 0.8.1.1
            Reporter: lokesh Birla
            Assignee: Neha Narkhede


Although following issue: https://issues.apache.org/jira/browse/KAFKA-727
is marked fixed but I still see this issue in 0.8.1.1. I am able to reproducer 
the issue consistently. 

[2014-08-18 06:43:58,356] ERROR [KafkaApi-1] Error when processing fetch 
request for partition [mmetopic4,2] offset 1940029 from consumer with 
correlation id 21 (kafka.server.Kaf
kaApis)
java.lang.IllegalArgumentException: Attempt to read with a maximum offset 
(1818353) less than the start offset (1940029).
        at kafka.log.LogSegment.read(LogSegment.scala:136)
        at kafka.log.Log.read(Log.scala:386)
        at 
kafka.server.KafkaApis.kafka$server$KafkaApis$$readMessageSet(KafkaApis.scala:530)
        at 
kafka.server.KafkaApis$$anonfun$kafka$server$KafkaApis$$readMessageSets$1.apply(KafkaApis.scala:476)
        at 
kafka.server.KafkaApis$$anonfun$kafka$server$KafkaApis$$readMessageSets$1.apply(KafkaApis.scala:471)
        at 
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:233)
        at 
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:233)
        at scala.collection.immutable.Map$Map1.foreach(Map.scala:119)
        at scala.collection.TraversableLike$class.map(TraversableLike.scala:233)
        at scala.collection.immutable.Map$Map1.map(Map.scala:107)
        at 
kafka.server.KafkaApis.kafka$server$KafkaApis$$readMessageSets(KafkaApis.scala:471)
        at 
kafka.server.KafkaApis$FetchRequestPurgatory.expire(KafkaApis.scala:783)
        at 
kafka.server.KafkaApis$FetchRequestPurgatory.expire(KafkaApis.scala:765)
        at 
kafka.server.RequestPurgatory$ExpiredRequestReaper.run(RequestPurgatory.scala:216)
        at java.lang.Thread.run(Thread.java:745)





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