Even if they are wrong, were you pointing to a zookeeper cluster where
another Kafka cluster was started up ?
On Thu, May 23, 2013 at 7:53 AM, Yu, Libo <[EMAIL PROTECTED]> wrote:
> I will answer my own question. It turns out the zookeeper addresses in
> server.properties are
> wrong. But it is not easy to tell from the error message.
> From: Yu, Libo [ICG-IT]
> Sent: Thursday, May 23, 2013 10:48 AM
> To: '[EMAIL PROTECTED]'
> Subject: Failed to launch 0.8 stable server
> After the zookeepers were up, when I tired to launch kafka server, I got
> this error:
> [2013-05-23 10:45:24,072] FATAL Fatal error during KafkaServerStable
> startup. Prepare to shutdown (kafka.server.KafkaServerStartable)
> java.lang.RuntimeException: A broker is already registered on the path
> /brokers/ids/1. This probably indicates that you either have configured a
> brokerid that is already in use, or else you have shutdown this broker and
> restarted it faster than the zookeeper timeout so it appears to be
> at kafka.utils.ZkUtils$.registerBrokerInZk(ZkUtils.scala:194)
> at kafka.server.KafkaZooKeeper.startup(KafkaZooKeeper.scala:41)
> at kafka.server.KafkaServer.startup(KafkaServer.scala:78)
> at kafka.Kafka$.main(Kafka.scala:46)
> at kafka.Kafka.main(Kafka.scala)
> [2013-05-23 10:45:24,074] INFO [Kafka Server 1], shutting down
> [2013-05-23 10:45:24,076] INFO Closing zookeeper client...
> [2013-05-23 10:45:24,077] INFO Terminate ZkClient event thread.
> Everything is freshly installed. It is so frustrating.