Hi, In our log we see there are repeated errors due to the same request whose offset is out of range. As I understand when out of range happens, the consumer should reset its offset, therefore such error should happen only once. Does the log indicate a bug?
Thanks, Jiang [2013-08-22 09:23:20,649] ERROR [KafkaApi-2] Error when processing fetch request for partition [xxxxxx,0] offset 2717035 from consumer with correlation id 324387 (kafka.server.KafkaApis) kafka.common.OffsetOutOfRangeException: Request for offset 2717035 but we only have log segments in the range 2720184 to 2724642. at kafka.log.Log.read(Log.scala:417) at kafka.server.KafkaApis.kafka$server$KafkaApis$$readMessageSet(KafkaApis.scala:367) at kafka.server.KafkaApis$$anonfun$kafka$server$KafkaApis$$readMessageSets$1.apply(KafkaApis.scala:314) at kafka.server.KafkaApis$$anonfun$kafka$server$KafkaApis$$readMessageSets$1.apply(KafkaApis.scala:310) at scala.collection.TraversableLike$$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:310) at kafka.server.KafkaApis.handleFetchRequest(KafkaApis.scala:276) at kafka.server.KafkaApis.handle(KafkaApis.scala:65) at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:42) at java.lang.Thread.run(Thread.java:722) [2013-08-22 09:23:20,749] ERROR [KafkaApi-2] Error when processing fetch request for partition [xxxxxx,0] offset 2717035 from consumer with correlation id 324387 (kafka.server.KafkaApis) kafka.common.OffsetOutOfRangeException: Request for offset 2717035 but we only have log segments in the range 2720184 to 2724642. at kafka.log.Log.read(Log.scala:417) at kafka.server.KafkaApis.kafka$server$KafkaApis$$readMessageSet(KafkaApis.scala:367) at kafka.server.KafkaApis$$anonfun$kafka$server$KafkaApis$$readMessageSets$1.apply(KafkaApis.scala:314) at kafka.server.KafkaApis$$anonfun$kafka$server$KafkaApis$$readMessageSets$1.apply(KafkaApis.scala:310) at scala.collection.TraversableLike$$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:310) at kafka.server.KafkaApis$FetchRequestPurgatory.expire(KafkaApis.scala:556) at kafka.server.KafkaApis$FetchRequestPurgatory.expire(KafkaApis.scala:538) at kafka.server.RequestPurgatory$ExpiredRequestReaper.run(RequestPurgatory.scala:216) at java.lang.Thread.run(Thread.java:722) [2013-08-22 09:23:20,750] ERROR [KafkaApi-2] Error when processing fetch request for partition [xxxxxx,0] offset 2717035 from consumer with correlation id 324388 (kafka.server.KafkaApis) kafka.common.OffsetOutOfRangeException: Request for offset 2717035 but we only have log segments in the range 2720184 to 2724642. at kafka.log.Log.read(Log.scala:417) at kafka.server.KafkaApis.kafka$server$KafkaApis$$readMessageSet(KafkaApis.scala:367) at kafka.server.KafkaApis$$anonfun$kafka$server$KafkaApis$$readMessageSets$1.apply(KafkaApis.scala:314) at kafka.server.KafkaApis$$anonfun$kafka$server$KafkaApis$$readMessageSets$1.apply(KafkaApis.scala:310) at scala.collection.TraversableLike$$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:310) at kafka.server.KafkaApis.handleFetchRequest(KafkaApis.scala:276) at kafka.server.KafkaApis.handle(KafkaApis.scala:65) at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:42) at java.lang.Thread.run(Thread.java:722)