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From Mohamed Ibrahim <mibra...@mibrahim.net>
Subject Re: hbase error
Date Thu, 22 Nov 2012 02:04:00 GMT
Hello Wanli,

Try checking /etc/hosts . Make sure that both localhost and <your machine
name> are set to 127.0.0.1, and not 127.0.1.1 . Some distributions do that
and it will sometimes give strange errors.

Mohamed Ibrahim


On Wed, Nov 21, 2012 at 8:45 PM, wanli gao <dsgsghs@gmail.com> wrote:

> hi, Mohammad
> i configure hbase according to your wrote, but it give the same error.
> Trying to contact region server null for region , row '', but failed
> after 3 attempts.
> i open RegionServer`s webui,and it `s just one server was running :named
> -ROOT-,,0
> is it correct that just one server running.is here should run a meta
> region server?
> 于 2012年11月22日 02:05, Mohammad Tariq 写道:
> > I have outlined the process here :
> >
> http://cloudfront.blogspot.in/2012/06/how-to-configure-habse-in-pseudo.html
> > See if it is of any help to you.
> >
> > Regards,
> >     Mohammad Tariq
> >
> >
> >
> > On Wed, Nov 21, 2012 at 11:30 PM, wanli gao <dsgsghs@gmail.com> wrote:
> >
> >> i don`t change HBASE_MANAGES_ZK, it`s default
> >> and i try latest version,but it can`t connect to hdfs
> >> 于 2012年11月22日 01:51, Mohammad Tariq 写道:
> >>> Hello Wanli,
> >>>
> >>>     Have you set the  HBASE_MANAGES_ZK property in your hbase-env.sh
> file
> >>> to 'true'? Aslo, I would suggest you to use the latest stable release.
> >>>
> >>> Regards,
> >>>     Mohammad Tariq
> >>>
> >>>
> >>>
> >>> On Wed, Nov 21, 2012 at 11:16 PM, Jean-Marc Spaggiari <
> >>> jean-marc@spaggiari.org> wrote:
> >>>
> >>>> Hi Wanli,
> >>>>
> >>>> I can see that on your logs:
> >>>>
> >>>> Failed to read: org.apache.zookeeper.KeeperException$NoNodeException:
> >>>> KeeperErrorCode = NoNode for /hbase/root-region-server
> >>>>
> >>>> and Read ZNode /hbase/root-region-server got 127.0.0.1:60020
> >>>>
> >>>> It's connecting locally, no? Do you have your Quorum configured on
> >>>> your hbase-site.xml
> >>>>
> >>>> On your master, what is "bin/hbase zkcli" giving?
> >>>>
> >>>> JM
> >>>>
> >>>> 2012/11/21, wanli gao <dsgsghs@gmail.com>:
> >>>>> zookeeper is running well,
> >>>>> regionserver log:
> >>>>> 2012-11-22 00:54:53,773 INFO
> >>>>> org.apache.hadoop.hbase.regionserver.HRegionServer: HRegionServer
> >>>>> started at: 127.0.0.1:60020
> >>>>> 2012-11-22 00:54:53,774 INFO org.apache.hadoop.ipc.HBaseServer:
IPC
> >>>>> Server handler 24 on 60020: starting
> >>>>> 2012-11-22 00:54:53,774 DEBUG
> >>>>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: Failed to read:
> >>>>> org.apache.zookeeper.KeeperException$NoNodeException:
> KeeperErrorCode =
> >>>>> NoNode for /hbase/root-region-server
> >>>>> 2012-11-22 00:54:53,791 INFO
> >>>>> org.apache.hadoop.hbase.regionserver.StoreFile: Allocating
> >> LruBlockCache
> >>>>> with maximum size 197.4m
> >>>>> 2012-11-22 00:54:53,812 INFO
> >>>>> org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN:
> >>>>> -ROOT-,,0
> >>>>> 2012-11-22 00:54:53,815 INFO
> >>>>> org.apache.hadoop.hbase.regionserver.HRegionServer: Worker:
> >>>>> MSG_REGION_OPEN: -ROOT-,,0
> >>>>> 2012-11-22 00:54:53,841 DEBUG
> >>>>> org.apache.hadoop.hbase.regionserver.HRegion: Creating region
> >> -ROOT-,,0,
> >>>>> encoded=70236052
> >>>>> 2012-11-22 00:54:53,871 INFO
> >>>>> org.apache.hadoop.hbase.regionserver.HRegion: region
> -ROOT-,,0/70236052
> >>>>> available; sequence id is 0
> >>>>> 2012-11-22 00:54:53,897 DEBUG
> >>>>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: Failed to read:
> >>>>> org.apache.zookeeper.KeeperException$NoNodeException:
> KeeperErrorCode =
> >>>>> NoNode for /hbase/root-region-server
> >>>>> 2012-11-22 00:54:54,938 DEBUG
> >>>>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: Read ZNode
> >>>>> /hbase/root-region-server got 127.0.0.1:60020
> >>>>> 2012-11-22 00:55:53,808 DEBUG
> >>>>> org.apache.hadoop.hbase.io.hfile.LruBlockCache: Cache Stats: Sizes:
> >>>>> Total=0.9263153MB (971312), Free=196.52368MB (206070016),
> Max=197.45MB
> >>>>> (207041328), Counts: Blocks=0, Access=0, Hit=0, Miss=0, Evictions=0,
> >>>>> Evicted=0, Ratios: Hit Ratio=NaN%, Miss Ratio=NaN%, Evicted/Run=NaN
> >>>>> mater log:
> >>>>> 2012-11-22 00:55:32,964 INFO org.apache.zookeeper.ClientCnxn: Server
> >>>>> connection successful
> >>>>> 2012-11-22 00:55:32,988 DEBUG
> >>>>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: Read ZNode
> >>>>> /hbase/master got 127.0.0.1:60000
> >>>>> 2012-11-22 00:55:33,021 DEBUG
> >>>>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper: Read ZNode
> >>>>> /hbase/root-region-server got 127.0.0.1:60020
> >>>>> 2012-11-22 00:55:33,024 DEBUG
> >>>>> org.apache.hadoop.hbase.client.HConnectionManager$TableServers:
Found
> >>>>> ROOT at 127.0.0.1:60020
> >>>>> 2012-11-22 00:55:50,944 INFO
> >>>>> org.apache.hadoop.hbase.master.ServerManager: 1 region servers,
0
> dead,
> >>>>> average load 1.0
> >>>>> 2012-11-22 00:55:51,110 INFO
> >> org.apache.hadoop.hbase.master.BaseScanner:
> >>>>> RegionManager.rootScanner scanning meta region {server:
> >> 127.0.0.1:60020,
> >>>>> regionname: -ROOT-,,0, startKey: <>}
> >>>>> 2012-11-22 00:55:51,117 INFO
> >> org.apache.hadoop.hbase.master.BaseScanner:
> >>>>> RegionManager.rootScanner scan of 0 row(s) of meta region {server:
> >>>>> 127.0.0.1:60020, regionname: -ROOT-,,0, startKey: <>} complete
> >>>>> 于 2012年11月22日 01:32, Stack 写道:
> >>>>>> What do the logs say?
> >>>>>> St.Ack
> >>>>>>
> >>>>>> On Wed, Nov 21, 2012 at 7:44 AM, wanli gao <dsgsghs@gmail.com>
> wrote:
> >>>>>>> hi all,
> >>>>>>> i m now running hbase on pseudo-distributed mode, and when
i open
> >> hbase
> >>>>>>> webUI: http://localhost:60010/master.jsp,its give an error:
> >>>>>>> Trying to contact region server null for region , row '',
but
> failed
> >>>>>>> after 3 attempts.
> >>>>>>> Exceptions:
> >>>>>>> org.apache.hadoop.hbase.TableNotFoundException: .META.
> >>>>>>> org.apache.hadoop.hbase.TableNotFoundException: .META.
> >>>>>>> org.apache.hadoop.hbase.TableNotFoundException: .META.
> >>>>>>> and when i run list on hbase it give the same error,
> >>>>>>> my hbase-site.xml is :
> >>>>>>>
> >>>>>>> <configuration>
> >>>>>>> <property>
> >>>>>>> <name>hbase.rootdir</name>
> >>>>>>> <value>hdfs://localhost:9000/hbase</value>
> >>>>>>> </property>
> >>>>>>> <property>
> >>>>>>> <name>hbase.cluster.distributed</name>
> >>>>>>> <value>true</value>
> >>>>>>> </property>
> >>>>>>> <property>
> >>>>>>> <name>hbase.zookeeper.property.clientPort</name>
> >>>>>>> <value>5000</value>
> >>>>>>> <description>Property from ZooKeeper's config zoo.cfg.
> >>>>>>> The port at which the clients will connect.
> >>>>>>> </description>
> >>>>>>> </property>
> >>>>>>> <property>
> >>>>>>> <name>hbase.zookeeper.quorum</name>
> >>>>>>> <value>localhost</value>
> >>>>>>> </property>
> >>>>>>> <property>
> >>>>>>> <name>hbase.tmp.dir</name>
> >>>>>>> <value>/home/wanli/hadoop/hbasetmp</value>
> >>>>>>> <description>Temporary directory on the local
> >> filesystem.</description>
> >>>>>>> </property>
> >>>>>>> <property>
> >>>>>>> <name>hbase.zookeeper.property.dataDir</name>
> >>>>>>> <value>home/wanli/hadoop/hbasezook</value>
> >>>>>>> </property>
> >>>>>>> <property>
> >>>>>>> <name>hbase.zookeeper.property.clientPort</name>
> >>>>>>> <value>6500</value>
> >>>>>>> <description>Property from ZooKeeper config zoo.cfg.</description>
> >>>>>>> </property>
> >>>>>>> </configuration>
> >>>>>>>
> >>>>>>> is there anyone know this error,
> >>>>>>> thanks
> >>
>
>

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