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Kafka, mail # user - How to create the initial zookeeper chroot path for zk.connect?


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Re: How to create the initial zookeeper chroot path for zk.connect?
Scott Clasen 2013-04-20, 18:30
Afaik you only put the chroot on the end of the zk conn str...

Zk1:2181,zk2:2181,zk3;2181/Kafka

Not

Zk1:2181/kafka,zk2:2181/Kafka,zk3:2181/Kafka
Sent from my iPhone

On Apr 20, 2013, at 9:03 AM, Neha Narkhede <[EMAIL PROTECTED]> wrote:

> Please file a bug and mention the Kafka and zookeeper versions used for the
> test.
>
> Thanks,
> Neha
>
> On Saturday, April 20, 2013, Ryan Chan wrote:
>
>> Hello,
>>
>> Tried, still the same...
>>
>>
>> bin/zkCli.sh -server zookeeper1:2181,zookeeper2:2181,zookeeper3:2181
>> [zk: zookeeper1,zookeeper2,zookeeper3(CONNECTED) 0]  ls /
>> [testkafka, consumers, brokers, zookeeper]
>> [zk: zookeeper1,zookeeper2,zookeeper3(CONNECTED) 1] rmr /testkafka
>> [zk: zookeeper1,zookeeper2,zookeeper3(CONNECTED) 2] create /testkafka ''
>> [zk: zookeeper1,zookeeper2,zookeeper3(CONNECTED) 3] ls /
>> [testkafka, consumers, brokers, zookeeper]
>>
>>
>>
>> And restart Kafka
>>
>> [2013-04-20 09:20:58,336] FATAL Fatal error during KafkaServerStable
>> startup. Prepare to shutdown (kafka.server.KafkaServerStartable)
>> java.lang.IllegalArgumentException: Path length must be > 0
>> at org.apache.zookeeper.common.PathUtils.validatePath(PathUtils.java:48)
>> at org.apache.zookeeper.common.PathUtils.validatePath(PathUtils.java:35)
>> at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:626)
>> at org.I0Itec.zkclient.ZkConnection.create(ZkConnection.java:87)
>> at org.I0Itec.zkclient.ZkClient$1.call(ZkClient.java:308)
>> at org.I0Itec.zkclient.ZkClient$1.call(ZkClient.java:304)
>> at org.I0Itec.zkclient.ZkClient.retryUntilConnected(ZkClient.java:675)
>> at org.I0Itec.zkclient.ZkClient.create(ZkClient.java:304)
>> at org.I0Itec.zkclient.ZkClient.createPersistent(ZkClient.java:213)
>> at org.I0Itec.zkclient.ZkClient.createPersistent(ZkClient.java:223)
>> at org.I0Itec.zkclient.ZkClient.createPersistent(ZkClient.java:223)
>> at kafka.utils.ZkUtils$.createParentPath(ZkUtils.scala:47)
>> at kafka.utils.ZkUtils$.createEphemeralPath(ZkUtils.scala:59)
>> at kafka.utils.ZkUtils$.createEphemeralPathExpectConflict(ZkUtils.scala:71)
>> at kafka.server.KafkaZooKeeper.registerBrokerInZk(KafkaZooKeeper.scala:54)
>> at kafka.log.LogManager.startup(LogManager.scala:130)
>> at kafka.server.KafkaServer.startup(KafkaServer.scala:81)
>> at kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:34)
>> at kafka.Kafka$.main(Kafka.scala:47)
>> at kafka.Kafka.main(Kafka.scala)
>>
>>
>>
>> Maybe I should report a bug?
>> (I posted here first just to know if I have done sth stupid)
>>
>>
>>
>>
>> On Sat, Apr 20, 2013 at 1:02 PM, Neha Narkhede <[EMAIL PROTECTED]<javascript:;>
>>> wrote:
>>
>>> Hmm, so if you use all 3 zookeeper servers will creating and reading
>>> the node, do you still see the problem ?
>>>
>>> zkCli.sh -server zookeeper1:2181,zookeeper2:2181,zookeeper3:2181
>>> create /testkafka
>>> ls /
>>>
>>> Thanks
>>> Neha
>>>
>>> On Fri, Apr 19, 2013 at 8:55 PM, Ryan Chan <[EMAIL PROTECTED]>
>> wrote:
>>>> Hi,
>>>>
>>>> Actually I followed the above link to setup my zookeeper1 to
>> zookeeper3.
>>>>
>>>> They are in the same quorum, as you can see in my above example that
>>> when I
>>>> created the /testkafka path in zookeeper1, I can see list it in
>>> zookeeper2
>>>>
>>>> Thanks
>>>>
>>>>
>>>> On Sat, Apr 20, 2013 at 12:08 AM, Neha Narkhede <
>> [EMAIL PROTECTED]
>>>> wrote:
>>>>
>>>>> I'm pretty sure the issue is that those 3 zookeepers are not part of
>>>>> the same quorum. Try following the quickstart for starting up a local
>>>>> zookeeper instance or follow
>> http://zookeeper.apache.org/doc/r3.3.3/zookeeperAdmin.html#sc_zkMulitServerSetup
>>>>> for a zookeeper cluster setup.
>>>>>
>>>>> Thanks,
>>>>> Neha
>>>>>
>>>>> On Thu, Apr 18, 2013 at 10:50 PM, Jonathan Creasy <[EMAIL PROTECTED]> wrote:
>>>>>> I made the patch to create the chroot and it doesn't handle multiple
>>> zk
>>>>>> addresses.
>>>>>>
>>>>>> We fixed it but I guess that patch didn't get submitted. I will