[sheepdog] [PATCH] zookeeper: add error message when found ZNOCHILDRENFOREPHEMERALS

[MORITA Kazutaka]

At Sat, 29 Jun 2013 11:46:26 +0800,
Kai Zhang wrote:
> 
> On Jun 29, 2013, at 11:30 AM, MORITA Kazutaka <morita.kazutaka at gmail.com> wrote:
> 
> > I think incrementing SD_SHEEP_PROTO_VER is better to avoid
> > incompatible sheepdog version.
> 
> The panic() is happened before master check SD_SHEEP_PROTO_VER.
> Because the panic is caused by zk_compete_master() which is called before add_join_event.

Okay, makes sense.

Can you add a brief explanation of why ZNOCHILDRENFOREPHEMERALS means
that there is an older sheep version?

Thanks,

Kazutaka