Actually, the broken channel is broken by shutting down the
leader-finder-thread, which is shutdown either by a rebalance retry or
shutting down the consumer.
Do you see "begin rebalance ..." before this log entry? And if yes, search
to see if the rebalance keep failing.
On Fri, Jan 10, 2014 at 11:23 AM, Guozhang Wang <[EMAIL PROTECTED]> wrote: