Could you use base-master,hadoop-namenode for your config when ref hostname.
oc-PowerEdge-R610, it's localhost hostname,It's may be the cause issue. -- Peter Zhang Sent with Sparrow (http://www.sparrowmailapp.com/?sig) On 2012年9月21日Friday at 下午2:09, Venkateswara Rao Dokku wrote: > I have that entry in the /etc/hosts files. The /etc/hosts files are as > given below. > > *Master:* > 127.0.0.1 localhost > 127.0.1.1 oc-PowerEdge-R610 > 10.2.32.48 hbase-master hadoop-namenode > 10.240.13.64 hbase-regionserver1 hadoop-datanode1 > #10.240.13.133 hadoop-datanode1 > # The following lines are desirable for IPv6 capable hosts > ::1 ip6-localhost ip6-loopback > fe00::0 ip6-localnet > ff00::0 ip6-mcastprefix > ff02::1 ip6-allnodes > ff02::2 ip6-allrouters > > *Slave:* > 127.0.0.1 localhost > 127.0.1.1 venkat-System-Product-Name > 10.2.32.48 hbase-master hadoop-namenode > 10.240.13.40 hbase-regionserver1 hadoop-datanode1 > # The following lines are desirable for IPv6 capable hosts > ::1 ip6-localhost ip6-loopback > fe00::0 ip6-localnet > ff00::0 ip6-mcastprefix > ff02::1 ip6-allnodes > ff02::2 ip6-allrouters > > > > On Fri, Sep 21, 2012 at 11:30 AM, Monish r <[email protected] > (mailto:[email protected])> wrote: > > > Hi, > > From the region server log , i can see that region server cannot resolve > > the host name *oc-PowerEdge-R610 , *check if u have entry for this > > hostname* > > *in */etc/hosts *file. > > > > 2012-09-20 17:18:39,966 INFO > > org.apache.hadoop.hbase.regionserver.HRegionServer: Attempting connect > > to Master server at oc-PowerEdge-R610,60000,1348136566220 > > 2012-09-20 17:18:39,966 WARN > > org.apache.hadoop.hbase.regionserver.HRegionServer: Unable to connect > > to master. Retrying. Error was: > > java.net.UnknownHostException: unknown host:* oc-PowerEdge-R610* > > > > > > > > On Thu, Sep 20, 2012 at 5:49 PM, Venkateswara Rao Dokku < > > [email protected] (mailto:[email protected]) > > > wrote: > > > > > > > > > > please find the attached master & slave hbase logs. > > > > > > > On Thu, Sep 20, 2012 at 5:14 PM, Monish r <[email protected] > > > > (mailto:[email protected])> wrote: > > > > > > > > > Hi, > > > > > From the *jps* status i can see that u have started region server in > > > > > both > > > > > the servers > > > > > > > > > > *NameNode:* > > > > > > > > > > 11578 HMaster > > > > > 11476 HQuorumPeer > > > > > 10921 TaskTracker > > > > > 10246 NameNode > > > > > 12430 Main > > > > > 10746 JobTracker > > > > > 12538 Jps > > > > > 11798 *HRegionServer* > > > > > > > > > > 10618 SecondaryNameNode > > > > > 10433 DataNode > > > > > > > > > > *DataNode:* > > > > > 2202 NC > > > > > 10772 Jps > > > > > 10495 TaskTracker > > > > > 2112 -- process information unavailable > > > > > 10697 *HRegionServer* > > > > > > > > > > 10331 DataNode > > > > > > > > > > From the log i can see that hbase master has only one region server in > > > > > its > > > > > list and it is not access able. > > > > > > > > > > 2012-09-18 23:59:13,841 DEBUG > > > > > org.apache.hadoop.hbase.master.AssignmentManager: No previous > > > > > transition plan was found (or we are ignoring an existing plan) for > > > > > -ROOT-,,0.70236052 so generated a random one; hri=-ROOT-,,0.70236052, > > > > > src=, dest=localhost,60020,1347968702214; 1 *(online=1, exclude=0) > > > > > available servers * > > > > > > > > > > 2012-09-18 23:59:13,841 INFO org.apache.hadoop.ipc.HBaseRPC: Server at > > > > > *localhost/127.0.0.1:60020 could not be reached after 1 tries, giving > > > > > up.* > > > > > > > > > > > > > > > > > > > > The problem may be with u r cluster set up , check the region server > > logs > > > > > and see if they are alive , u cannot rely on jps > > > > > and tell for sure the process is up , since it can go down after u r > > > > > look > > > > > up. > > > > > > > > > > Check u r region server logs , if u still have issues , post the > > > > > region > > > > > server logs in paste bin and reply. > > > > > > > > > > Regards, > > > > > R.Monish > > > > > > > > > > > > > > > * > > > > > > > > > > * > > > > > > > > > > > > > > > > > > > > On Thu, Sep 20, 2012 at 10:03 AM, Venkateswara Rao Dokku < > > > > > [email protected] (mailto:[email protected])> wrote: > > > > > > > > > > > > > > > > > > > > > > > On Tue, Sep 18, 2012 at 10:43 PM, Jean-Daniel Cryans < > > > > > [email protected] (mailto:[email protected])>wrote: > > > > > > > > > > > > > What's in the master's log? > > > > > > > > > > > > > > J-D > > > > > > > Please find the attached master logs. > > > > > > > > > > > > > > On Tue, Sep 18, 2012 at 3:41 AM, Venkateswara Rao Dokku > > > > > > > <[email protected] (mailto:[email protected])> wrote: > > > > > > > > Hi, > > > > > > > > I am new to Hbase & I wanted to Cluster Hbase on 2 nodes. I > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > put > > > > > > > one > > > > > > > > of my nodes as hadoop-namenodeas well as hbase-master & the > > > > > > > > other > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > node > > > > > > > as > > > > > > > > hadoop-datanode1 as well as hbase-region-server1. I started > > > > > > > > hadoop > > > > > > > > > > > > > > cluster > > > > > > > > as well as Hbase on the name-node side. They started fine. But > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > when > > > > > I > > > > > > > try > > > > > > > > to create tabes in Hbase shell I got the following error. > > > > > > > > > > > > > > > > hbase(main):001:0> create 't1','f1' > > > > > > > > > > > > > > > > ERROR: org.apache.hadoop.hbase.MasterNotRunningException: > > > > > > > > Retried > > 7 > > > > > > > times > > > > > > > > > > > > > > > > Here is some help for this command: > > > > > > > > Create table; pass table name, a dictionary of specifications > > > > > > > > per > > > > > > > > column family, and optionally a dictionary of table > > > > > > > > configuration. > > > > > > > > Dictionaries are described below in the GENERAL NOTES section. > > > > > > > > Examples: > > > > > > > > > > > > > > > > hbase> create 't1', {NAME => 'f1', VERSIONS => 5} > > > > > > > > hbase> create 't1', {NAME => 'f1'}, {NAME => 'f2'}, {NAME => > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > 'f3'} > > > > > > > > hbase> # The above in shorthand would be the following: > > > > > > > > hbase> create 't1', 'f1', 'f2', 'f3' > > > > > > > > hbase> create 't1', {NAME => 'f1', VERSIONS => 1, TTL => > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > 2592000, > > > > > > > > BLOCKCACHE => true} > > > > > > > > hbase> create 't1', 'f1', {SPLITS => ['10', '20', '30', '40']} > > > > > > > > hbase> create 't1', 'f1', {SPLITS_FILE => 'splits.txt'} > > > > > > > > > > > > > > > > But I could see HMaster running with Jps. The below given are > > > > > > > > the > > > > > > > processes > > > > > > > > running on the name-node & datanode. > > > > > > > > *NameNode:* > > > > > > > > * > > > > > > > > * > > > > > > > > 11578 HMaster > > > > > > > > 11476 HQuorumPeer > > > > > > > > 10921 TaskTracker > > > > > > > > 10246 NameNode > > > > > > > > 12430 Main > > > > > > > > 10746 JobTracker > > > > > > > > 12538 Jps > > > > > > > > 11798 HRegionServer > > > > > > > > 10618 SecondaryNameNode > > > > > > > > 10433 DataNode > > > > > > > > > > > > > > > > *DataNode:* > > > > > > > > * > > > > > > > > * > > > > > > > > 2202 NC > > > > > > > > 10772 Jps > > > > > > > > 10495 TaskTracker > > > > > > > > 2112 -- process information unavailable > > > > > > > > 10697 HRegionServer > > > > > > > > 10331 DataNode > > > > > > > > > > > > > > > > Could You please let me know whats wrong with my approach of > > > > > creating > > > > > > > > tables. Thanks for replying > > > > > > > > > > > > > > > > P.S: forgot to mention I am using hadoop-0.20.2 & hbase-0.92.1 > > > > > > > versions. So > > > > > > > > to avoid version mismatches I copied the hadoop Jar file in > > > > > > > > hadoop > > > > > > > > installation directory into habse/lib/ in all the cluster nodes. > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > Thanks & Regards, > > > > > > > > > > > > > > > > Venkateswara Rao Dokku > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > Thanks & Regards, > > > > > > Venkateswara Rao Dokku, > > > > > > Software Engineer,One Convergence Devices Pvt Ltd., > > > > > > Jubille Hills,Hyderabad. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > Thanks & Regards, > > > > Venkateswara Rao Dokku, > > > > Software Engineer,One Convergence Devices Pvt Ltd., > > > > Jubille Hills,Hyderabad. > > > > > > > > > > > > > > > > -- > > > Thanks & Regards, > > > Venkateswara Rao Dokku, > > > Software Engineer,One Convergence Devices Pvt Ltd., > > > Jubille Hills,Hyderabad. > > > > > > > > > > > > -- > Thanks & Regards, > Venkateswara Rao Dokku, > Software Engineer,One Convergence Devices Pvt Ltd., > Jubille Hills,Hyderabad. > >
