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 <[email protected]> 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:preprequestproces...@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. > >
