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From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: Zookeeper Error
Date Mon, 09 Nov 2009 18:14:20 GMT
Changing that value on a region server shouldn't change anything
because it's only used in start|stop-hbase.sh to check if we have to
handle the zookeeper quorums on the machines defined in hbase-site.xml

Could you please tell us more about your setup?

J-D

On Mon, Nov 9, 2009 at 9:55 AM, in20seconds <hossein.objectj@gmail.com> wrote:
>
>
> I got the same error. The problem solved by setting
> export HBASE_MANAGES_ZK=false
> in hbase-env.sh in the slave machine
>
>
>
> Jean-Daniel Cryans-2 wrote:
>>
>> Mark,
>>
>> Using only 1 ZK quorum member isn't a problem with fully-distributed
>> mode, just put the hostname of the machine instead of "localhost".
>>
>> That NodeExists sometimes happen but I don't remember why... do you
>> have a bigger stack trace? Also IIRC it's harmless.
>>
>> Thx,
>>
>> J-D
>>
>> On Fri, Oct 23, 2009 at 10:49 AM, Mark Vigeant
>> <mark.vigeant@riskmetrics.com> wrote:
>>> Hey-
>>>
>>> I just manually configured zookeeper (I had been letting hbase do the
>>> managing) on 2 nodes (I know I should use an odd number of nodes but I
>>> didn't want to be in standalone mode and I only have 2 machines to play
>>> with right now) and when I start up hbase I get an interesting error
>>> message on one node:
>>>
>>> 2009-10-24 13:43:43,798 - WARN
>>>  [ProcessThread:-1:PrepRequestProcessor@402] - Got exception when
>>> processing sessionid:0x124827089980006 type:create cxid:0x1d
>>> zxid:0xfffffffffffffffe txntype:unknown n/a
>>> org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode
>>> = NodeExists
>>>      at
>>> org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcessor.java:245)
>>>      at
>>> org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:114)
>>>
>>> It repeats this every now and again... is this something I should be
>>> worrying about? Hbase still works fine
>>>
>>> Mark Vigeant
>>> RiskMetrics Group, Inc.
>>>
>>>
>>
>>
>
> --
> View this message in context: http://old.nabble.com/Zookeeper-Error-tp26030640p26270814.html
> Sent from the HBase User mailing list archive at Nabble.com.
>
>

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