On Mon, Nov 23, 2009 at 7:50 AM, Mark Vigeant
<[email protected]>wrote:

>
> I just started HBase up again and I got an IOException: NoNode for
> /hbase/master but then it started up anyways. However, when I run the shell
> and type "list" it gives me a  "NoServerForRegionException: Timed out trying
> to locate root region" and then a huge trace. It then tries to debug and
> sleeps for intervals of 2000 ms. So it seems to me like the zookeeper tree
> doesn't have the information it's supposed to: am I right here? Is there a
> way to format and restart everything here/ will that help?
>
> Another interesting tidbit is that when I run "bin/stop-hbase" from my
> master, the HMaster gets shut down, but none of the regionservers do.


The nonode for /hbase/master can be ignored usually.  If you look at your
log, it succeeds eventually IIRC.  The NoServerForRegionException would seem
to indicate no regionservers are connecting to your master.  Pastebin your
master log so we can take a look-see.
St.Ack

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