For completeness, you are probably running into:
https://issues.apache.org/jira/browse/KAFKA-1451
On Wed, Aug 6, 2014 at 2:26 PM, Gwen Shapira <gshap...@cloudera.com> wrote:
> These are info messages, not necessarily errors.
>
> Do they occur in a never ending loop? Do you also see errors?
> Do you ever get a successful broker registration message in the log?
> (Registered broker 1 at path....)
>
> Gwen
>
> On Wed, Aug 6, 2014 at 1:53 PM, Shikha Srivastava
> <ssrivast...@rubiconproject.com> wrote:
>> Hi,
>>
>> I am working with kafka_2.8.0-0.8.1.1. It used to work fine but since this
>> morning when I try to start the kafka-server after starting zookeeper, I am
>> getting this error-
>>
>> INFO I wrote this conflicted ephemeral node
>> [{"version":1,"brokerid":0,"timestamp":"1407357554030"}] at /controller a
>> while back in a different session, hence I will backoff for this node to be
>> deleted by Zookeeper and retry (kafka.utils.ZkUtils$)
>>
>> [2014-08-06 13:49:22,103] INFO conflict in /controller data:
>> {"version":1,"brokerid":0,"timestamp":"1407357554030"} stored data:
>> {"version":1,"brokerid":0,"timestamp":"1407349766568"}
>> (kafka.utils.ZkUtils$)
>>
>>
>> I tried to stop both kafka and zookeeper and cleared all the logs and then
>> tried starting it again but I am still getting this error.
>>
>> Can you guide me to the root cause?
>>
>> Thank you very much!
>>
>> Shikha
