It's not exactly clear to me why you see NoBrokersForPartitionException after the broker is restarted. I was thinking that one potential issue could be that a ZK bug caused a missing watcher.
Thanks, Jun On Tue, Jan 7, 2014 at 9:17 PM, Cheolwoo Choi <pror...@gmail.com> wrote: > You mean ... > > ZK 3.3.4 is more stable as you have been using that without problem. > Even using zk 3.3.4, it can't avoid the "NoBrokersForPartitionException" at > Producer. > > It's good for me to change to zk 3.3.4, > and if I want to avoid the NoBrokersForPartitionException, > I should catch the exception, then choose alternative flow in my service > logic. > (i.e. changing my topic name to new one as Joe mentioned above reply) > > Right ? > > We have a plan to move to kafka-0.8. Is zk 3.3.4 stable for 0.8 ? > > > Thanks, > Cheolwoo > > > > On Wed, Jan 8, 2014 at 1:51 PM, Jun Rao <jun...@gmail.com> wrote: > > > The issues that you saw could be related to ZK. Not sure how stable 3.4.5 > > is. We have been using 3.3.4 and it seems stable. > > > > Thanks, > > > > Jun > > > > > > On Tue, Jan 7, 2014 at 4:09 PM, Cheolwoo Choi <pror...@gmail.com> wrote: > > > > > I'm using zk-3.4.5 > > > > > > Thanks, > > > > > > > > > > > > On Wed, Jan 8, 2014 at 1:30 AM, Jun Rao <jun...@gmail.com> wrote: > > > > > > > What version of ZK are you using? > > > > > > > > Thanks, > > > > > > > > Jun > > > > > > > > > > > > On Mon, Jan 6, 2014 at 11:30 PM, Cheolwoo Choi <pror...@gmail.com> > > > wrote: > > > > > > > > > Hi, all ~ > > > > > > > > > > There are 3 zookepers and one broker, Kafka 0.7.2. > > > > > I got some temporary problems in zk cluster enviornment, but, any > zk > > > > > processes didn't go down. > > > > > > > > > > A broker got zk session timeout message, then got zk disconnected > and > > > > > expired message. > > > > > After 10 secs, the broker reconnected to the zk with new zk session > > id, > > > > > then it regitsterd all topics successfully. > > > > > > > > > > But, kafka producers continuously throw > > > > > "kafka.common.NoBrokersForPartitionException: Partition = null". > > > > > The broker had got back in stable. However, producers didn't stop > to > > > > throw > > > > > the exceptions. > > > > > > > > > > How can I prevent that problem ? > > > > > > > > > > Thanks, > > > > > > > > > > > > > > >
