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Date: Thu, 12 Jan 2012 12:26:37 -0500
From: Peter Wolf <opus111@gmail.com>
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To: user@hbase.apache.org
CC: Mark Kerzner <mark.kerzner@shmsoft.com>
Subject: Re: EC2 remote client woes
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Oh yeah!  The code did it :-D

For those that come after, I guess 'hbase shell' is broken for remote 
access.  Use the raw Java API

Many thanks again Mark!


On 1/12/12 11:40 AM, Mark Kerzner wrote:
> 1. Look in the logs;
> 2. I think hbase shell works only locally;
> 3. The code below worked for me, and I don't use a config file, but give
> the params directly:
>
>      public void connect() throws IOException {
>          Configuration hConf = HBaseConfiguration.create();
>          hConf.set(MyConstants.HBASE_CONFIGURATION_ZOOKEEPER_QUORUM,
> MyConstants.zookeeperUrl);
>          hConf.set(MyConstants..HBASE_CONFIGURATION_ZOOKEEPER_CLIENTPORT,
> MyConstants.zookeeperPort);
>          String tableName = "MyTable";
>          HTable hTable = new HTable(hConf, tableName);
>          hTable.close();
>      }
>
> Mark
>
> On Thu, Jan 12, 2012 at 10:20 AM, Peter Wolf<opus111@gmail.com>  wrote:
>
>> Still no love...  Any suggestions?
>>
>> I'm on EC2, and I am trying to set up a Pseudo-Distributed HBaser Server
>> on one machine, and access it from another.  Both machines are EC2.
>>
>> I have already found the doc below, and I followed the instructions
>>
>>    http://hbase.apache.org/book.**html#client_dependencies<http://hbase.apache.org/book.html#client_dependencies>
>>
>>
>> My server is up and running, and I can access it from an 'hbase shell' on
>> the machine.  The hbase-site.xml is ...
>>
>>    <configuration>
>>    <property>
>>    <name>hbase.zookeeper.quorum</**name>
>>    <value>ip-XX-YYY-Z-QQQ.ec2.**internal</value>
>>    </property>
>>    <property>
>>    <name>hbase.cluster.**distributed</name>
>>    <value>true</value>
>>    </property>
>>    <property>
>>    <name>hbase.rootdir</name>
>>    <value>hdfs://localhost/hbase<**/value>
>>    </property>
>>    </configuration>
>>
>> The client machine hbase-site.xml is...
>>
>>    <configuration>
>>    <property>
>>    <name>hbase.zookeeper.quorum</**name>
>>    <value>ip-XX-YYY-Z-QQQ.ec2.**internal.ec2.internal</value>
>>    <description>Pseudo Distributed Server</description>
>>    </property>
>>    </configuration>
>>
>> And when I try 'hbase shell' remotely, I get this...
>>
>>    hbase(main):001:0>  status 'detailed'
>>
>>    ERROR: org.apache.hadoop.hbase.**ZooKeeperConnectionException: HBase
>>    is able to connect to ZooKeeper but the connection closes
>>    immediately. This could be a sign that the server has too many
>>    connections (30 is the default). Consider inspecting your ZK server
>>    logs for that error and then make sure you are reusing
>>    HBaseConfiguration as often as you can. See HTable's javadoc for
>>    more information.
>>
>>
>>
>>