Never mind, this was caused by a bug of my apache curator-zkclient bridge
module.


On Fri, Mar 7, 2014 at 6:14 PM, Bae, Jae Hyeon <metac...@gmail.com> wrote:

> I started from a fresh but I deployed the working version synced from the
> latest trunk, not a release version.
>
> I just executed kafka.admin.TopicCommand with --create option.
>
>
>
>
> On Fri, Mar 7, 2014 at 5:56 PM, Neha Narkhede <neha.narkh...@gmail.com>wrote:
>
>> Starting from a fresh and working deployment, what admin commands or steps
>> lead you to these errors? This error basically points to an unexpected
>> state change, which could be a bug. I'm looking for steps to be able to
>> reproduce the bug.
>>
>> Thanks,
>> Neha
>>
>>
>> On Fri, Mar 7, 2014 at 1:59 PM, Bae, Jae Hyeon <metac...@gmail.com>
>> wrote:
>>
>> > How can I prevent these errors coming?
>> >
>> > When I created 9 partitions on 3 instances and 2 replication-factor, I
>> > didn't have any error. But when I created 36 partitions on 12
>> instances, I
>> > got these errors.
>> >
>> >
>> > 2014-03-07 18:19:28,208] ERROR Controller 9 epoch 12 initiated state
>> change
>> > of replica 9 for partition [request_trace,3] from NonExistentReplica to
>> > NewReplica failed (state.change.logger)
>> > kafka.common.StateChangeFailedException: Replica 9 for partition
>> > [request_trace,3] cannot be moved to NewReplicastate as it is being
>> > requested to become leader
>> >         at
>> >
>> >
>> kafka.controller.ReplicaStateMachine.handleStateChange(ReplicaStateMachine.scala:160)
>> >         at
>> >
>> >
>> kafka.controller.ReplicaStateMachine$$anonfun$handleStateChanges$2.apply(ReplicaStateMachine.scala:96)
>> >         at
>> >
>> >
>> kafka.controller.ReplicaStateMachine$$anonfun$handleStateChanges$2.apply(ReplicaStateMachine.scala:96)
>> >         at
>> > scala.collection.immutable.HashSet$HashSet1.foreach(HashSet.scala:123)
>> >         at
>> >
>> scala.collection.immutable.HashSet$HashTrieSet.foreach(HashSet.scala:322)
>> >         at
>> >
>> scala.collection.immutable.HashSet$HashTrieSet.foreach(HashSet.scala:322)
>> >         at
>> >
>> >
>> kafka.controller.ReplicaStateMachine.handleStateChanges(ReplicaStateMachine.scala:96)
>> >         at
>> >
>> >
>> kafka.controller.KafkaController.onNewPartitionCreation(KafkaController.scala:464)
>> >         at
>> >
>> >
>> kafka.controller.KafkaController.onNewTopicCreation(KafkaController.scala:452)
>> >         at
>> >
>> >
>> kafka.controller.PartitionStateMachine$TopicChangeListener$$anonfun$handleChildChange$1.apply$mcV$sp(PartitionStateMachine.scala:421)
>> >         at
>> >
>> >
>> kafka.controller.PartitionStateMachine$TopicChangeListener$$anonfun$handleChildChange$1.apply(PartitionStateMachine.scala:403)
>> >         at
>> >
>> >
>> kafka.controller.PartitionStateMachine$TopicChangeListener$$anonfun$handleChildChange$1.apply(PartitionStateMachine.scala:403)
>> >         at kafka.utils.Utils$.inLock(Utils.scala:538)
>> >         at
>> >
>> >
>> kafka.controller.PartitionStateMachine$TopicChangeListener.handleChildChange(PartitionStateMachine.scala:402)
>> >         at org.I0Itec.zkclient.ZkClient$7.run(ZkClient.java:576)
>> >         at org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:71)
>> >
>>
>
>

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