apache zookeeper - Kafka throwing an error for which a Google search has no results -


i have stand-alone kafka 0.9 service running on single-node hdp 2.3.4.7 hadoop cluster (this development set-up).

recently ran out of disk space (logging component had been set way verbose!) , kafka crashed. before restarting wanted clear of topics, did following:

  • cleared out tmp/kafka-logs folder.
  • wiped /consumers, /brokers, /admin , /config nodes zookeeper.
  • cleared out /tmp/zookeeper/version-2 folder.
  • restarted zookeeper.
  • restarted kafka.

kafka did 2 strange things.

firstly, recreated topics had deleted. have no idea how did had believed state stores in /tmp/kafka-logs folder , in zk.

secondly, throws string of errors of following form:

error processor got uncaught exception. (kafka.network.processor) kafka.common.kafkaexception: number of topics has value -1 not in range (0,2147483647).     @ kafka.api.apiutils$.readintinrange(apiutils.scala:87)     @ kafka.api.topicmetadatarequest$.readfrom(topicmetadatarequest.scala:43)     @ kafka.api.requestkeys$$anonfun$4.apply(requestkeys.scala:51)     @ kafka.api.requestkeys$$anonfun$4.apply(requestkeys.scala:51)     @ kafka.network.requestchannel$request.<init>(requestchannel.scala:66)     @ kafka.network.processor$$anonfun$run$11.apply(socketserver.scala:426)     @ kafka.network.processor$$anonfun$run$11.apply(socketserver.scala:421)     @ scala.collection.iterator$class.foreach(iterator.scala:727)     @ scala.collection.abstractiterator.foreach(iterator.scala:1157)     @ scala.collection.iterablelike$class.foreach(iterablelike.scala:72)     @ scala.collection.abstractiterable.foreach(iterable.scala:54)     @ kafka.network.processor.run(socketserver.scala:421)     @ java.lang.thread.run(thread.java:745)

which no amount of googling sheds light on. kafka server not crash if attempt connect console consumer error of form:

error in fetch kafka.consumer.consumerfetcherthread$fetchrequest@2cb1cc1c (kafka.consumer.consumerfetcherthread)  java.net.sockettimeoutexception

the console producer will let me post messages however!

does have ideas to:

1) why kafka able recover topics? (did miss out step in deletion process?)

2) error might mean? have corrupted config somewhere need rid of?


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