[sheepdog] zookeeper driver join panic

Liu Yuan namei.unix at gmail.com
Fri Jun 28 13:51:28 CEST 2013


On Fri, Jun 28, 2013 at 07:40:56PM +0800, Liu Yuan wrote:
> On Fri, Jun 28, 2013 at 07:01:10PM +0800, Kai Zhang wrote:
> > 
> > On Jun 28, 2013, at 11:32 AM, Liu Yuan <namei.unix at gmail.com> wrote:
> > 
> > > Jun 27 22:11:22 [main] zk_create_seq_node(235) PANIC: failed, path:/sheepdog/master/, no children for ephemerals
> > 
> > 
> > This error is caused when /sheepdog/master is an ephemerals node which should be happened only in old version.
> > In the newest version, /sheepdog/master is a normal node.
> > 
> > So I guess this is because the first 3 started sheep are in old version and the 4th sheep is in new version.
> > 
> > @Yuan, could you ask the user to verify this?
> > 
> 
> I guess so, I'll ask him later. But in this case, I think we should print a
> error message and exit gracefully.
> 

As you guested, the commit differed in sheep.

Thanks
Yuan



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