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From Amandeep Khurana <ama...@gmail.com>
Subject Re: Java client connection to HBase 0.20.1 problem
Date Mon, 02 Nov 2009 11:44:02 GMT
Add the following in your /etc/hosts

<ip address> <hostname>

That might be the problem

On Mon, Nov 2, 2009 at 3:38 AM, SÅ‚awek Trybus <slawek.trybus@gmail.com>wrote:

> Hi to everyone in the forum!
>
> I'm getting started with HBase 0.20.1 and I'm trying to prepare dev
> environment for web application development based on HBase as storage.
>
> In my test desktop java application I'm getting console output like this:
>
> 09/11/02 01:59:57 INFO zookeeper.ZooKeeper: Client
> environment:user.dir=C:\Data\Users\slawek\workspace\HBaseTestClient
> 09/11/02 01:59:57 INFO zookeeper.ZooKeeper: Initiating client connection,
> connectString=192.168.219.129:2181 sessionTimeout=60000
>
> watcher=org.apache.hadoop.hbase.client.HConnectionManager$ClientZKWatcher@4741d6
> 09/11/02 01:59:57 INFO zookeeper.ClientCnxn:
> zookeeper.disableAutoWatchReset
> is false
> 09/11/02 01:59:57 INFO zookeeper.ClientCnxn: Attempting connection to
> server
> /192.168.219.129:2181
> 09/11/02 01:59:57 INFO zookeeper.ClientCnxn: Priming connection to
> java.nio.channels.SocketChannel[connected local=/192.168.219.1:54027
> remote=/
> 192.168.219.129:2181]
> 09/11/02 01:59:57 INFO zookeeper.ClientCnxn: Server connection successful
> *09/11/02 01:59:59 INFO ipc.HbaseRPC: Server at /127.0.0.1:35565 could not
> be reached after 1 tries, giving up.*
> *09/11/02 02:00:02 INFO ipc.HbaseRPC: Server at /127.0.0.1:35565 could not
> be reached after 1 tries, giving up.*
> this info is appearing with no end -> *09/11/02 02:00:05 INFO ipc.HbaseRPC:
> Server at /127.0.0.1:35565 could not be reached after 1 tries, giving up.*
> ...
>
>
> I'm working on Windows Vista (running my java client application in
> eclipse)
> and HBase is installed on Ubuntu 9.04 installed on VMware. Ubuntu virtual
> machine has IP 192.168.219.129.
> On Ubuntu I have installed Hadoop 0.20.1 and HBase 0.20.1 working in
> Pseudo-Distributed Mode.
>
> Hadoop conf files on Ubuntu:
>
> *conf/core-site.xml*
> <?xml version="1.0"?>
> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
> <configuration>
> <property>
> <name>*fs.default.name*</name>
> <value>*hdfs://localhost:9000*</value>
> </property>
> </configuration>
>
> *conf/hdfs-site.xml*
> <?xml version="1.0"?>
> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
> figuration>
> <property>
> <name>*dfs.replication*</name>
> <value>*1*</value>
> </property>
> </configuration>
>
>
> *conf/hdfs-site.xml*
> <?xml version="1.0"?>
> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
> <configuration>
> <property>
> <name>*mapred.job.tracker*</name>
> <value>*localhost:9001*</value>
> </property>
> </configuration>
>
>
> HBase conf file on Ubuntu
>
> *conf/hbase-site.xml*
> <?xml version="1.0"?>
> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
> <configuration>
>  <property>
>    <name>*h**base.rootdir*</name>
>    <value>*hdfs://localhost:9000/hbase*</value>
>    </description>
>  </property>
> </configuration>
>
>
>
> In *classpath *of my java application there are all HBase jars and *
> hbase-site.xml* file with content:
> <?xml version="1.0"?>
> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
> <configuration>
>  <property>
>    <name>*hbase.rootdir*</name>
>    <value>*hdfs://192.168.219.129:9000/hbase*</value>
>    </description>
>  </property>
>  <property>
>    <name>*hbase.zookeeper.quorum*</name>
>    <value>*192.168.219.129*</value>
>  </property>
> </configuration>
>
>
> When I'm connecting to HBase by shell it's working perfectly.
> I know that there might be a problem bas content of */etc/hosts* file in
> Ubuntu; mine is like this:
>
> *127.0.0.1 localhost ubuntu*
> # 127.0.1.1 ubuntu.localdomain ubuntu
> # The following lines are desirable for IPv6 capable hosts
> # ::1 ip6-localhost ip6-loopback
> fe00::0 ip6-localnet
> ff00::0 ip6-mcastprefix
> ff02::1 ip6-allnodes
> ff02::2 ip6-allrouters
> ff02::3 ip6-allhosts
>
>
> I don't know what's wrong in my configuration.
> If you could advice I'd be very appreciate because now I can't go further
> with my HBase.
> Slawek
>

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