I've just gotten the following error while running the zookeeper consumer. I made a backup of the kafka log directory and wiped the logs. I restarting kafka and the consumer. After processing a few hundred messages successfully I got the same error again. I restarted the consumer again and got the same error immediately.
I'm running Kafka 0.7.1 I've included a sample of DumpLogSegments. The rest of the dumps looked the same. Thanks for your help. -David Siegel 2012-07-10 02:31:21,998 ERROR [Consumer1] c.k.h.c.k.KafkaConsumerServiceWorker: Failed to get next student event kafka.common.InvalidMessageSizeException: null at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.6.0_30] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) ~[na:1.6.0_30] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) ~[na:1.6.0_30] at java.lang.reflect.Constructor.newInstance(Constructor.java:513) ~[na:1.6.0_30] at java.lang.Class.newInstance0(Class.java:355) ~[na:1.6.0_30] at java.lang.Class.newInstance(Class.java:308) ~[na:1.6.0_30] at kafka.common.ErrorMapping$.maybeThrowException(ErrorMapping.scala:53) ~[KPIP-0.4.birdy.jar:na] at kafka.message.ByteBufferMessageSet.kafka$message$ByteBufferMessageSet$$internalIterator(ByteBufferMessageSet.scala:99) ~[KPIP-0.4.birdy.jar:na] at kafka.message.ByteBufferMessageSet.iterator(ByteBufferMessageSet.scala:82) ~[KPIP-0.4.birdy.jar:na] at kafka.consumer.ConsumerIterator.makeNext(ConsumerIterator.scala:81) ~[KPIP-0.4.birdy.jar:na] at kafka.consumer.ConsumerIterator.makeNext(ConsumerIterator.scala:32) ~[KPIP-0.4.birdy.jar:na] at kafka.utils.IteratorTemplate.maybeComputeNext(IteratorTemplate.scala:59) ~[KPIP-0.4.birdy.jar:na] at kafka.utils.IteratorTemplate.hasNext(IteratorTemplate.scala:51) ~[KPIP-0.4.birdy.jar:na] at kafka.utils.IteratorTemplate.next(IteratorTemplate.scala:36) ~[KPIP-0.4.birdy.jar:na] at kafka.consumer.ConsumerIterator.next(ConsumerIterator.scala:43) ~[KPIP-0.4.birdy.jar:na] at java.lang.Thread.run(Thread.java:662) [na:1.6.0_30] 2012-07-10 02:31:21,998 ERROR [Consumer1] c.k.h.c.k.KafkaConsumerServiceWorker: Iterator got into bad state. Thread exiting java.lang.IllegalStateException: Iterator is in failed state at kafka.utils.IteratorTemplate.hasNext(IteratorTemplate.scala:47) ~[KPIP-0.4.birdy.jar:na] at kafka.utils.IteratorTemplate.next(IteratorTemplate.scala:36) ~[KPIP-0.4.birdy.jar:na] at kafka.consumer.ConsumerIterator.next(ConsumerIterator.scala:43) ~[KPIP-0.4.birdy.jar:na] at java.lang.Thread.run(Thread.java:662) [na:1.6.0_30] Dumping /mnt/spool/kafka/tmp-0/00000000000000000000.kafka Starting offset: 0 offset: 0 isvalid: true payloadsize: 1233 magic: 1 compresscodec: NoCompressionCodec offset: 1243 isvalid: true payloadsize: 1232 magic: 1 compresscodec: NoCompressionCodec offset: 2485 isvalid: true payloadsize: 1713 magic: 1 compresscodec: NoCompressionCodec offset: 4208 isvalid: true payloadsize: 1181 magic: 1 compresscodec: NoCompressionCodec offset: 5399 isvalid: true payloadsize: 1601 magic: 1 compresscodec: NoCompressionCodec offset: 7010 isvalid: true payloadsize: 125 magic: 1 compresscodec: NoCompressionCodec offset: 7145 isvalid: true payloadsize: 244 magic: 1 compresscodec: NoCompressionCodec offset: 7399 isvalid: true payloadsize: 125 magic: 1 compresscodec: NoCompressionCodec offset: 7534 isvalid: true payloadsize: 244 magic: 1 compresscodec: NoCompressionCodec offset: 7788 isvalid: true payloadsize: 125 magic: 1 compresscodec: NoCompressionCodec offset: 7923 isvalid: true payloadsize: 244 magic: 1 compresscodec: NoCompressionCodec offset: 8177 isvalid: true payloadsize: 125 magic: 1 compresscodec: NoCompressionCodec offset: 8312 isvalid: true payloadsize: 244 magic: 1 compresscodec: NoCompressionCodec offset: 8566 isvalid: true payloadsize: 125 magic: 1 compresscodec: NoCompressionCodec offset: 8701 isvalid: true payloadsize: 244 magic: 1 compresscodec: NoCompressionCodec tail of the log is at offset: 8955