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From Shengjie Min <shengjie....@gmail.com>
Subject Re: HBase Java client - unknown host: localhost.localdomain
Date Sun, 25 Aug 2013 13:16:14 GMT
On 25 August 2013 21:08, Kevin O'dell <kevin.odell@cloudera.com> wrote:

> Can you attach a screen shot of the HMaster UI? It appears ZK is connecting
> fine, but can't find .META.
> On Aug 25, 2013 8:57 AM, "Shengjie Min" <shengjie.min@gmail.com> wrote:
>
> > Hi Jean-Marc,
> >
> > You meant my cloudera vm or my client? Here is my /etc/hosts
> >
> > cloudera vm:
> >
> > 127.0.0.1   localhost.localdomain   localhost
> >
> > client:
> > 127.0.0.1       localhost
> > 255.255.255.255 broadcasthost
> > ::1             localhost
> > fe80::1%lo0     localhost
> >
> > 172.16.144.150  cloudera
> >
> >
> > Shengjie
> >
> >
> > On 25 August 2013 20:28, Jean-Marc Spaggiari <jean-marc@spaggiari.org
> > >wrote:
> >
> > > Hi,
> > >
> > > Do you have your host+ip in your host file?
> > >
> > > JM
> > >
> > > 2013/8/25 Shengjie Min <shengjie.min@gmail.com>
> > >
> > > > Hi guys,
> > > >
> > > > I am running cloudera quick start vm:
> > > >
> > > > Versions:
> > > >
> > > > Hadoop: 2.0.0-cdh4.3.1
> > > >
> > > > HBase: 0.94.6-cdh4.3.1
> > > >
> > > > Here is my little remote HBase Java client(HbaseClient.java), all it
> > does
> > > > is:
> > > >
> > > > public static void main(String[] args) throws IOException {
> > > >     Configuration config = HBaseConfiguration.create();
> > > >     HTable table = new HTable(config, "s1");
> > > >     System.out.println(table.getTableName());
> > > > }
> > > >
> > > > hbase-site.xml:
> > > >
> > > > <property>
> > > >     <name>hbase.rootdir</name>
> > > >     <value>hdfs://172.16.144.150:8020/hbase</value>
> > > >   </property>
> > > >   <property>
> > > >     <name>zookeeper.znode.parent</name>
> > > >     <value>/hbase</value>
> > > >   </property>
> > > >   .......
> > > >   <property>
> > > >     <name>zookeeper.znode.rootserver</name>
> > > >     <value>root-region-server</value>
> > > >   </property>
> > > >   <property>
> > > >     <name>hbase.zookeeper.quorum</name>
> > > >     <value>172.16.144.150</value>
> > > >   </property>
> > > >
> > > > When I run my java client, I get the error unknown host:
> > > > localhost.localdomain:
> > > >
> > > > Initiating client connection, connectString=172.16.144.150:2181
> > > > sessionTimeout=60000 watcher=hconnection
> > > > zookeeper.disableAutoWatchReset is false
> > > > The identifier of this process is 41939@smin-MacBook-Pro.local
> > > > Opening socket connection to server cloudera/172.16.144.150:2181.
> Will
> > > > not attempt to authenticate using SASL (unknown error)
> > > > Socket connection established to cloudera/172.16.144.150:2181,
> > > > initiating session
> > > > Session establishment request sent on cloudera/172.16.144.150:2181
> > > > Session establishment complete on server cloudera/
> 172.16.144.150:2181,
> > > > sessionid = 0x14076b058850045, negotiated timeout = 60000
> > > > hconnection Received ZooKeeper Event, type=None, state=SyncConnected,
> > > > path=null
> > > > hconnection-0x14076b058850045 connected
> > > >
> > > > locateRegionInMeta parentTable=-ROOT-,
> > > > metaLocation={region=-ROOT-,,0.70236052,
> > > > hostname=localhost.localdomain, port=60020},
> > > > attempt=0 of 10 failed; retrying after sleep of 1000 because:
> > > > unknown host: localhost.localdomain
> > > >
> > > > Reading reply sessionid:0x14076b058850045, packet:: clientPath:null
> > > > serverPath:null finished:false header:: 17,3  replyHeader:: 17,460,0
> > > > request:: '/hbase,F  response::
> > > > s{20,20,1376375496826,1376375496826,0,32,0,0,0,12,430}
> > > > Reading reply sessionid:0x14076b058850045, packet:: clientPath:null
> > > > serverPath:null finished:false header:: 18,4  replyHeader:: 18,460,0
> > > > request:: '/hbase/root-region-server,T  response::
> > > >
> > > >
> > >
> >
> #ffffffff0001b3635323630406c6f63616c686f73742e6c6f63616c646f6d61696e6c6f63616c686f73742e6c6f63616c646f6d61696e2c36303032302c31333737333538373930303037,s{430,430,1377358805621,1377358805621,0,0,0,0,73,0,430}
> > > > hconnection-0x14076b058850045 Retrieved 41 byte(s) of data from znode
> > > > /hbase/root-region-server and set watcher;
> > > > localhost.localdomain,60020,1...
> > > > Looked up root region location,
> > > >
> > > >
> > >
> >
> connection=org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@68a7a3a7
> > > > ;
> > > > serverName=localhost.localdomain,60020,1377358790007
> > > >
> > > > locateRegionInMeta parentTable=.META., metaLocation=null, attempt=2
> of
> > > > 10 failed;
> > > > retrying after sle
> > > >
> > > > Any ideas?
> > > >
> > > > Thanks,
> > > >
> > > > SHengjie
> > > >
> > >
> >
>

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