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From Dan Bikle <wepitch...@gmail.com>
Subject Newb sees exception in logs after fresh install
Date Mon, 09 Feb 2015 21:14:27 GMT
*hello hbase ppl,today I am installing prediction.io
<http://prediction.io>It uses hbase.I did this:cd Downloads/wget
http://archive.apache.org/dist/hbase/hbase-0.98.6/hbase-0.98.6-hadoop2-bin.tar.gz
<http://archive.apache.org/dist/hbase/hbase-0.98.6/hbase-0.98.6-hadoop2-bin.tar.gz>tar
zxf hbase-0.98.6-hadoop2-bin.tar.gzmv hbase-0.98.6-hadoop2 /home/dan/cd
/home/dan/ln -s hbase-0.98.6-hadoop2 hbasecd hbasevi
hbase/conf/hbase-site.xml<configuration>  <property>
<name>hbase.rootdir</name>    <value>file:///home/dan/hbase</value>
</property>  <property>    <name>hbase.zookeeper.property.dataDir</name>
<value>/home/dan/zookeeper</value>
</property></configuration>bin/start-hbase.shI looked at logs:dan@hp
~/hbase $ dan@hp ~/hbase $ tail logs/hbase-dan-master-hp.log 2015-02-09
20:55:57,544 DEBUG [main-EventThread] hbase.ZKNamespaceManager: Updating
namespace cache from node default with data: \x0A\x07default2015-02-09
20:55:57,588 DEBUG [main-EventThread] hbase.ZKNamespaceManager: Updating
namespace cache from node default with data: \x0A\x07default2015-02-09
20:55:57,589 DEBUG [main-EventThread] hbase.ZKNamespaceManager: Updating
namespace cache from node hbase with data: \x0A\x05hbase2015-02-09
20:55:57,606 INFO  [ProcessThread(sid:0 cport:-1):]
server.PrepRequestProcessor: Got user-level KeeperException when processing
sessionid:0x14b70205dde0000 type:create cxid:0x93 zxid:0x3b txntype:-1
reqpath:n/a Error Path:/hbase/namespace/default Error:KeeperErrorCode =
NodeExists for /hbase/namespace/default2015-02-09 20:55:57,618 INFO
 [M:0;hp:38689] zookeeper.RecoverableZooKeeper: Node
/hbase/namespace/default already exists and this is not a retry2015-02-09
20:55:57,632 INFO  [ProcessThread(sid:0 cport:-1):]
server.PrepRequestProcessor: Got user-level KeeperException when processing
sessionid:0x14b70205dde0000 type:create cxid:0x96 zxid:0x3d txntype:-1
reqpath:n/a Error Path:/hbase/namespace/hbase Error:KeeperErrorCode =
NodeExists for /hbase/namespace/hbase2015-02-09 20:55:57,640 INFO
 [M:0;hp:38689] zookeeper.RecoverableZooKeeper: Node /hbase/namespace/hbase
already exists and this is not a retry2015-02-09 20:55:57,652 INFO
 [M:0;hp:38689] master.HMaster: Master has completed
initialization2015-02-09 21:00:47,528 DEBUG [LruStats #0]
hfile.LruBlockCache: Total=407.29 KB, free=386.30 MB, max=386.70 MB,
blocks=405484352, accesses=0, hits=0, hitRatio=0, cachingAccesses=0,
cachingHits=0, cachingHitsRatio=0,evictions=29, evicted=0,
evictedPerRun=0.02015-02-09 21:00:56,808 DEBUG
[hp,38689,1423515345937-BalancerChore] balancer.BaseLoadBalancer: Not
running balancer because only 1 active regionserver(s)dan@hp ~/hbase $
Questions:Does the above KeeperException indicate a problem?How do I wipe
my laptop clean of hbase and zookeeper?*

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