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HBase >> mail # user >> HBase Java client - unknown host: localhost.localdomain


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Re: HBase Java client - unknown host: localhost.localdomain
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" <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]
> >wrote:
>
> > Hi,
> >
> > Do you have your host+ip in your host file?
> >
> > JM
> >
> > 2013/8/25 Shengjie Min <[EMAIL PROTECTED]>
> >
> > > 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 [EMAIL PROTECTED]l
> > > 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