Hm... I cannot reproduce in my local, I downloaded kafka_2.8.0-0.8.1
package but it didn't work. Let me try in my linux machine.


On Mon, Mar 24, 2014 at 6:11 PM, Neha Narkhede <neha.narkh...@gmail.com>wrote:

> I think you are trying to introduce a session expiration, then could you
> try to do the following and see if you can reproduce the session
> expiration?
>
> ./bin/kafka-server-start.sh config/server.properties
> kill -SIGSTOP <kafka_server_pid>
> sleep 6s
>
> At this point, the session will be expired and the node will disappear from
> zookeeper. Then you can do the following -
>
> kill -SIGCONT <kafka_server_pid>
>
> At this point, you should see the following log message from inside the
> handleNewSession() method -
>
> INFO re-registering broker info in ZK for broker 0
> (kafka.server.KafkaHealthcheck)
>
> Hope that helps.
>
> Thanks,
> Neha
>
>
>
> On Mon, Mar 24, 2014 at 3:19 PM, Bae, Jae Hyeon <metac...@gmail.com>
> wrote:
>
> > Hi
> >
> > On zookeeper session timeout due to some stopping the world long GC pause
> > or zookeeper server outage, Ephemeral nodes on kafka broker and consumer
> > should be recreated but in my test environment, handleNewSession() is not
> > called.
> >
> > My test scenario is, starting kafka broker locally and put a breakpoint
> > somewhere to simulate long pause, and then, I expected handleNewSession()
> > should be called, but it was not and I saw kafka broker zk registration
> is
> > gone.
> >
> > Previously, to avoid this problem, I overrode zkclient implementation
> > internally to replace createEphemeral() function call with Apache
> Curator's
> > PersistentEphemeralNodes and for reinstating watchers, I implemented
> > ConnectionStateListener to reinstate all watchers when RECONNECTED
> happens.
> >
> > Do you know why I cannot reproduce handleNewSession()?
> >
> > Thank you
> > Best, Jae
> >
>

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