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From "Guozhang Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KAFKA-725) Broker Exception: Attempt to read with a maximum offset less than start offset
Date Fri, 08 Apr 2016 04:47:26 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Guozhang Wang updated KAFKA-725:
--------------------------------
    Assignee: Stig Rohde Døssing  (was: Jay Kreps)

> Broker Exception: Attempt to read with a maximum offset less than start offset
> ------------------------------------------------------------------------------
>
>                 Key: KAFKA-725
>                 URL: https://issues.apache.org/jira/browse/KAFKA-725
>             Project: Kafka
>          Issue Type: Bug
>          Components: log
>    Affects Versions: 0.8.0
>            Reporter: Chris Riccomini
>            Assignee: Stig Rohde Døssing
>
> I have a simple consumer that's reading from a single topic/partition pair. Running it
seems to trigger these messages on the broker periodically:
> 2013/01/22 23:04:54.936 ERROR [KafkaApis] [kafka-request-handler-4] [kafka] []  [KafkaApi-466]
error when processing request (MyTopic,4,7951732,2097152)
> java.lang.IllegalArgumentException: Attempt to read with a maximum offset (7951715) less
than the start offset (7951732).
>         at kafka.log.LogSegment.read(LogSegment.scala:105)
>         at kafka.log.Log.read(Log.scala:390)
>         at kafka.server.KafkaApis.kafka$server$KafkaApis$$readMessageSet(KafkaApis.scala:372)
>         at kafka.server.KafkaApis$$anonfun$kafka$server$KafkaApis$$readMessageSets$1.apply(KafkaApis.scala:330)
>         at kafka.server.KafkaApis$$anonfun$kafka$server$KafkaApis$$readMessageSets$1.apply(KafkaApis.scala:326)
>         at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:206)
>         at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:206)
>         at scala.collection.immutable.Map$Map1.foreach(Map.scala:105)
>         at scala.collection.TraversableLike$class.map(TraversableLike.scala:206)
>         at scala.collection.immutable.Map$Map1.map(Map.scala:93)
>         at kafka.server.KafkaApis.kafka$server$KafkaApis$$readMessageSets(KafkaApis.scala:326)
>         at kafka.server.KafkaApis$$anonfun$maybeUnblockDelayedFetchRequests$2.apply(KafkaApis.scala:165)
>         at kafka.server.KafkaApis$$anonfun$maybeUnblockDelayedFetchRequests$2.apply(KafkaApis.scala:164)
>         at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:57)
>         at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:43)
>         at kafka.server.KafkaApis.maybeUnblockDelayedFetchRequests(KafkaApis.scala:164)
>         at kafka.server.KafkaApis$$anonfun$handleProducerRequest$2.apply(KafkaApis.scala:186)
>         at kafka.server.KafkaApis$$anonfun$handleProducerRequest$2.apply(KafkaApis.scala:185)
>         at scala.collection.immutable.Map$Map2.foreach(Map.scala:127)
>         at kafka.server.KafkaApis.handleProducerRequest(KafkaApis.scala:185)
>         at kafka.server.KafkaApis.handle(KafkaApis.scala:58)
>         at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:41)
>         at java.lang.Thread.run(Thread.java:619)
> When I shut the consumer down, I don't see the exceptions anymore.
> This is the code that my consumer is running:
>           while(true) {
>             // we believe the consumer to be connected, so try and use it for a fetch
request
>             val request = new FetchRequestBuilder()
>               .addFetch(topic, partition, nextOffset, fetchSize)
>               .maxWait(Int.MaxValue)
>               // TODO for super high-throughput, might be worth waiting for more bytes
>               .minBytes(1)
>               .build
>             debug("Fetching messages for stream %s and offset %s." format (streamPartition,
nextOffset))
>             val messages = connectedConsumer.fetch(request)
>             debug("Fetch complete for stream %s and offset %s. Got messages: %s" format
(streamPartition, nextOffset, messages))
>             if (messages.hasError) {
>               warn("Got error code from broker for %s: %s. Shutting down consumer to
trigger a reconnect." format (streamPartition, messages.errorCode(topic, partition)))
>               ErrorMapping.maybeThrowException(messages.errorCode(topic, partition))
>             }
>             messages.messageSet(topic, partition).foreach(msg => {
>               watchers.foreach(_.onMessagesReady(msg.offset.toString, msg.message.payload))
>               nextOffset = msg.nextOffset
>             })
>           }
> Any idea what might be causing this error?



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