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HBase, mail # user - Re: Hbase cluster


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Jean-Marc Spaggiari 2012-10-04, 15:18
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Venkateswara Rao Dokku 2012-10-05, 04:39
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Venkateswara Rao Dokku 2012-10-04, 13:08
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Jean-Marc Spaggiari 2012-10-04, 13:20
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Re: Hbase cluster
Venkateswara Rao Dokku 2012-10-04, 13:28
I could only see this
2012-10-04 06:25:45,419 INFO org.apache.hadoop.hbase.master.ServerManager:
Waiting on regionserver(s) to checkin
2012-10-04 06:25:46,919 INFO org.apache.hadoop.hbase.master.ServerManager:
Waiting on regionserver(s) to checkin
2012-10-04 06:25:48,420 INFO org.apache.hadoop.hbase.master.ServerManager:
Waiting on regionserver(s) to checkin
2012-10-04 06:25:49,920 INFO org.apache.hadoop.hbase.master.ServerManager:
Waiting on regionserver(s) to checkin
2012-10-04 06:25:51,420 INFO org.apache.hadoop.hbase.master.ServerManager:
Waiting on regionserver(s) to checkin
2012-10-04 06:25:52,920 INFO org.apache.hadoop.hbase.master.ServerManager:
Waiting on regionserver(s) to checkin
On Thu, Oct 4, 2012 at 6:50 PM, Jean-Marc Spaggiari <[EMAIL PROTECTED]
> wrote:

> Hi Venkateswara,
>
> What do you have on your master's logs? Do you have anything?
>
> JM
>
> 2012/10/4, Venkateswara Rao Dokku <[EMAIL PROTECTED]>:
> > Hi,
> >    I configured 2 node hbase cluster with hadoop-0.20.2 & hbase 0.92.1.
> The
> > installation went fine. One is the namenode & the other will act asa
> > datanode as well as region server, from the region server I couldn't
> access
> > HMaster. I was getting the following error when I try to scan the tables
> on
> > the namenode
> >
> > hbase(main):001:0> list
> > TABLE
> >
> >
> > ERROR: org.apache.hadoop.hbase.MasterNotRunningException: Retried 7 times
> >
> > Here is some help for this command:
> > List all tables in hbase. Optional regular expression parameter could
> > be used to filter the output. Examples:
> >
> >   hbase> list
> >   hbase> list 'abc.*'
> >
> > But when I see the processes running with jps command on name-node(
> master)
> > & datanode(slave) I got the following list
> > *namenode:*
> > *
> > *
> > 6367 NameNode
> > 6553 DataNode
> > 7473 HMaster
> > 7375 HQuorumPeer
> > 6866 JobTracker
> > 10391 Jps
> > 6764 SecondaryNameNode
> > 7041 TaskTracker
> >
> > *datanode:*
> > *
> > *
> > 15710 TaskTracker
> > 15556 DataNode
> > 13126 -- process information unavailable
> > 19259 Jps
> > 13218 NC
> > 15874 HRegionServer
> >
> > The following logs are logged into the hbase-region-server log file
> > 2012-10-04 18:26:17,692 INFO
> > org.apache.hadoop.hbase.regionserver.HRegionServer: Attempting connect to
> > Master server at oc-PowerEdge-R610,60000,1349337115099
> > 2012-10-04 18:27:18,491 WARN
> > org.apache.hadoop.hbase.regionserver.HRegionServer: Unable to connect to
> > master. Retrying. Error was:
> > java.net.ConnectException: Connection refused
> >         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> >         at
> > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> >         at
> >
> org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
> >         at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:404)
> >         at
> >
> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.setupConnection(HBaseClient.java:328)
> >         at
> >
> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.setupIOstreams(HBaseClient.java:362)
> >         at
> >
> org.apache.hadoop.hbase.ipc.HBaseClient.getConnection(HBaseClient.java:1045)
> >         at
> > org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:897)
> >         at
> >
> org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:150)
> >         at $Proxy7.getProtocolVersion(Unknown Source)
> >         at
> >
> org.apache.hadoop.hbase.ipc.WritableRpcEngine.getProxy(WritableRpcEngine.java:183)
> >         at
> org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:303)
> >         at
> org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:280)
> >         at
> org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:332)
> >         at
> > org.apache.hadoop.hbase.ipc.HBaseRPC.waitForProxy(HBaseRPC.java:236)
> >         at
> >
> org.apache.hadoop.hbase.regionserver.HRegionServer.getMaster(HRegionServer.java:1643)

Thanks & Regards,
Venkateswara Rao Dokku,
Software Engineer,One Convergence Devices Pvt Ltd.,
Jubille Hills,Hyderabad.