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From Haosong Huang <haosd...@gmail.com>
Subject Re: Java Client can't connect to a remote standalone hbase server
Date Sun, 05 Jan 2014 14:25:32 GMT
Could you connect zookeeper correctly?


On Sun, Jan 5, 2014 at 8:28 PM, Li Li <fancyerii@gmail.com> wrote:

> yes, I just want to setup a test environment
>
> On Sun, Jan 5, 2014 at 6:48 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> > For hbase.rootdir, hdfs was not used.
> >
> > Is that intended ?
> >
> > Thanks
> >
> > On Jan 4, 2014, at 10:46 PM, Li Li <fancyerii@gmail.com> wrote:
> >
> >> hi all,
> >>     I am new to hbase and encounter a problem of client connection. I
> >> download latest stable version(0.94.15) and start the server
> >> successfully. And I can use ./bin/hbase shell to connect to server in
> >> local, But I can't connect to the server using a remote java client.
> >>     My setup configures:
> >>     1. OS
> >>           Centos 5.5
> >>     2. HBase
> >>           0.94.15 standalone mode
> >>     3. hbase-site.xml
> >> <configuration>
> >>  <property>
> >>    <name>hbase.rootdir</name>
> >>    <value>file:///home/lili/hbasedata</value>
> >>  </property>
> >>  <property>
> >>    <name>hbase.zookeeper.property.dataDir</name>
> >>    <value>/home/lili/zookeeperdata</value>
> >>  </property>
> >>  <property>
> >>    <name>hbase.master.port</name>
> >>    <value>61000</value>
> >>  </property>
> >>  <property>
> >>    <name>hbase.master.info.port</name>
> >>    <value>61010</value>
> >>  </property>
> >>  <property>
> >>    <name>hbase.regionserver.port</name>
> >>    <value>61020</value>
> >>  </property>
> >>  <property>
> >>    <name>hbase.regionserver.info.port</name>
> >>    <value>61030</value>
> >>  </property>
> >>  <property>
> >>    <name>hbase.zookeeper.leaderport</name>
> >>    <value>63888</value>
> >>  </property>
> >>  <property>
> >>    <name>hbase.zookeeper.property.clientPort</name>
> >>    <value>62181</value>
> >>  </property>
> >>  <property>
> >>    <name>hbase.rest.port</name>
> >>    <value>58080</value>
> >>  </property>
> >> </configuration>
> >>
> >>        4. remote http test to master
> >> http://server-ip:61010/master-status correct
> >>
> >>        5. region server http
> >> http://server-ip::61030 correct
> >>
> >>        6. remote client test(windows)
> >>         telnet server-ip 62181 correct
> >>
> >>        7. java program
> >>
> >> Configuration myConf = HBaseConfiguration.create();
> >> myConf.set("hbase.zookeeper.quorum", "172.19.34.35");
> >> myConf.set("hbase.zookeeper.property.clientPort", "62181");
> >> HTableInterface usersTable = new HTable(myConf, "users");
> >> {
> >>    Put p = new Put(Bytes.toBytes("TheRealMT"));
> >>    p.add(Bytes.toBytes("info"), Bytes.toBytes("name"),
> >> Bytes.toBytes("Mark Twain"));
> >>    p.add(Bytes.toBytes("info"), Bytes.toBytes("email"),
> >> Bytes.toBytes("samuel@clemens.org"));
> >>    p.add(Bytes.toBytes("info"), Bytes.toBytes("password"),
> >> Bytes.toBytes("Langhorne"));
> >>    usersTable.put(p);
> >> }
> >> {
> >>    Put p = new Put(Bytes.toBytes("TheRealMT"));
> >>    p.add(Bytes.toBytes("info"),
> >>    Bytes.toBytes("password"),
> >>    Bytes.toBytes("abc123"));
> >>    usersTable.put(p);
> >> }
> >> usersTable.close();
> >>
> >> When runing this program, it hangs at this line: HTableInterface
> >> usersTable = new HTable(myConf, "users");
> >> I have checked in hbase shell by scan 'users', it's an empty table
> >>
> >>
> >> After very long time, it throws an exception:
> >>
> >> 14-01-05 14:23:34,091 INFO main Environment Client
> environment:zookeeper.version
> >> =3.4.5-1392090, built on 09/30/2012 17:52 GMT
> >> 14-01-05 14:23:34,122 INFO main Environment Client environment:
> host.name=wangzho
> >> ngxin.HOLD.FOUNDER.COM
> >> 14-01-05 14:23:34,122 INFO main Environment Client
> environment:java.version=1.7.
> >> 0_45
> >> 14-01-05 14:23:34,137 INFO main Environment Client
> environment:java.vendor=Oracl
> >> e Corporation
> >> 14-01-05 14:23:34,137 INFO main Environment Client
> environment:java.home=C:\Prog
> >> ram Files\Java\jdk1.7.0_45\jre
> >>
> >> 14-01-05 14:23:34,137 INFO main Environment Client
> environment:java.io.tmpdir=C:
> >> \DOCUME~1\lili.dz\LOCALS~1\Temp\
> >> 14-01-05 14:23:34,137 INFO main Environment Client
> environment:java.compiler=<NA
> >> 14-01-05 14:23:34,137 INFO main Environment Client environment:os.name=Windows
> X
> >> P
> >> 14-01-05 14:23:34,137 INFO main Environment Client
> environment:os.arch=x86
> >> 14-01-05 14:23:34,137 INFO main Environment Client
> environment:os.version=5.1
> >> 14-01-05 14:23:34,137 INFO main Environment Client environment:
> user.name=lili.dz
> >> 14-01-05 14:23:34,137 INFO main Environment Client
> environment:user.home=C:\Docu
> >> ments and Settings\lili.dz
> >> 14-01-05 14:23:34,137 INFO main Environment Client
> environment:user.dir=C:\Docum
> >> ents and Settings\lili.dz\workspace\HBaseTest
> >> 14-01-05 14:23:34,137 INFO main ZooKeeper Initiating client connection,
> connectS
> >> tring=172.19.34.35:62181 sessionTimeout=180000 watcher=hconnection
> >> 14-01-05 14:23:34,418 INFO main RecoverableZooKeeper The identifier of
> this proc
> >> ess is 5884@lili.dz
> >> 14-01-05 14:23:43,391 INFO main-SendThread(172.19.34.35:62181)
> ClientCnxn$SendTh
> >> read Opening socket connection to server
> 172.19.34.35/172.19.34.35:62181. Will n
> >> ot attempt to authenticate using SASL (unknown error)
> >> 14-01-05 14:23:43,407 INFO main-SendThread(172.19.34.35:62181)
> ClientCnxn$SendTh
> >> read Socket connection established to 172.19.34.35/172.19.34.35:62181,
> initiatin
> >> g session
> >> 14-01-05 14:23:43,407 INFO main-SendThread(172.19.34.35:62181)
> ClientCnxn$SendTh
> >> read Session establishment complete on server
> 172.19.34.35/172.19.34.35:62181, s
> >> essionid = 0x1435626fec5000e, negotiated timeout = 40000
> >> Exception in thread "main"
> org.apache.hadoop.hbase.client.NoServerForRegionExcep
> >> tion: Unable to find region for users,,99999999999999 after 14 tries.
> >> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.
> >> locateRegionInMeta(HConnectionManager.java:1092)
> >> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.
> >> locateRegion(HConnectionManager.java:997)
> >> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.
> >> locateRegionInMeta(HConnectionManager.java:1099)
> >> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.
> >> locateRegion(HConnectionManager.java:1001)
> >> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.
> >> locateRegion(HConnectionManager.java:958)
> >> at org.apache.hadoop.hbase.client.HTable.finishSetup(HTable.java:251)
> >> at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:155)
> >> at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:129)
> >> at test.Test.main(Test.java:18)
>



-- 
Best Regards,
Haosdent Huang

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