Not sure why the re-registration fails. Are you using ZK 3.3.4 or above?

It seems that you consumer still GCs, which is the root cause. So, you will
need to tune the GC setting further. Another way to avoid ZK session
timeout is to increase the session timeout config.

Thanks,

Jun

On Wed, Mar 27, 2013 at 8:35 PM, Yonghui Zhao <[EMAIL PROTECTED]> wrote:
 
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