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From "Kevin O'dell" <kevin.od...@cloudera.com>
Subject Re: HBase Java client - unknown host: localhost.localdomain
Date Sun, 25 Aug 2013 16:59:37 GMT
Shengjie,

  Looks like you are binding to localhost on your services. Please make
sure you correct it so you bind on the interface for zk.
On Aug 25, 2013 10:32 AM, "Shengjie Min" <shengjie.min@gmail.com> wrote:

> Sure, Kevin,
>
> http://imgur.com/SQ3Zao9
>
> Shengjie
>
>
> On 25 August 2013 22:22, Kevin O'dell <kevin.odell@cloudera.com> wrote:
>
> > Shengjie,
> >
> >   Good news on being able to connect to the ui from the client. Can you
> > post a screen shot on imgur?
> > On Aug 25, 2013 10:12 AM, "Jean-Marc Spaggiari" <jean-marc@spaggiari.org
> >
> > wrote:
> >
> > > Can you share your client code? Or at least the section where you do
> the
> > > connection?
> > >
> > > Also, have you tried to run the same code from inside the VM?
> > >
> > > JM
> > >
> > > 2013/8/25 Shengjie Min <shengjie.min@gmail.com>
> > >
> > > > Hi Jean-Marc,
> > > >
> > > > Sorry about the screenshot, yes, my Hbase client is outside of my VM.
> > > And I
> > > > can access WebUI from outside: http://cloudera:60010
> > > >
> > > > Shengjie
> > > >
> > > >
> > > > On 25 August 2013 21:43, Jean-Marc Spaggiari <
> jean-marc@spaggiari.org
> > > > >wrote:
> > > >
> > > > > I think you need to post the screenshot on an external website and
> > send
> > > > the
> > > > > link here.
> > > > >
> > > > > So, you are trying to access your VM from outside of your VM? Or
> your
> > > > > client application is into the VM too?
> > > > >
> > > > > If you are outside of your VM, are you able to access the VM from
> > > > outside?
> > > > >
> > > > > Like, are you able to access the WebUI from outside of the VM with
> > > > > something like "http://cloudera:60010"?
> > > > >
> > > > > JM
> > > > >
> > > > > 2013/8/25 Shengjie Min <shengjie.min@gmail.com>
> > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > 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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