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From Josh Elser <els...@apache.org>
Subject Re: Noob question about Hadoop job that writes output to HBase
Date Fri, 21 Apr 2017 15:45:25 GMT
Use jstack on the AM or Mapper to figure out what it's stuck doing.

FWIW, `conf.set("hbase.zookeeper.quorum", "localhost");` will not work 
if you have more than one node.

evelina dumitrescu wrote:
> The Hadoop version that I use is 2.7.1 and the Hbase version is 1.2.5.
> I can do any operation from the HBase shell.
>
>
> On Fri, Apr 21, 2017 at 8:00 AM, evelina dumitrescu<
> evelina.a.dumitrescu@gmail.com>  wrote:
>
>> Hi,
>>
>> I am new to Hadoop and Hbase.
>> I was trying to make a small proof-of-concept Hadoop map reduce job that
>> reads the data from HDFS and stores the output in Hbase.
>> I did the setup as presented in this tutorial [1].
>> Here is the pseudocode from the map reduce code [2].
>> The problem is that I am unable to contact Hbase from the Hadoop job and
>> the job gets stuck.
>> Here are the logs from syslog [3], stderr [4] and console [5].
>> How should I correctly setup HbaseConfiguration ?
>> I couldn't find any example online that worked and it's hard for a
>> beginner to debug the issue.
>> Any help would be appreciated.
>>
>> Thank you,
>> Evelina
>>
>> [1]
>> http://www.bogotobogo.com/Hadoop/BigData_hadoop_HBase_
>> Pseudo_Distributed.php
>> [2]
>> https://pastebin.com/hUDAMMes
>> [3]
>> https://pastebin.com/XxmWAUTf
>> [4]
>> https://pastebin.com/fYUYw4Cv
>> [5]
>> https://pastebin.com/YJ1hERDe
>>
>

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