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From <ashok.sa...@wipro.com>
Subject RE: Error in inserting data into HBase table from Hive
Date Mon, 17 Sep 2012 03:57:50 GMT
Please check into your conf folder of hive.
If you are working on cloudera vm(v-4), below things you have to add in hive-site.xml.

<name>hive.aux.jars.path</name>
<value>path/to/hive-hbase-handler-0.9.0-cdh4.jar,path/to/hive/lib/hbase-0.92.jar,payh/to/hive/lib/zookeeper-VERSION.jar</value>

Regards
Ashok S.
________________________________________
From: Ejaz Rasool [rasool_ejaz@hotmail.com]
Sent: Monday, September 17, 2012 3:43 AM
To: user@hive.apache.org
Cc: Ashok Kumar Samal (WT01 - CITI); Azaz Rasool (WT01 - Banking & Financial Services)
Subject: Error in inserting data into HBase table from Hive

Hi,

I am getting error while inserting data into HBase table from Hive (see Step#5 below)...any
help is much appreciated.

I am following the HBase-Hive integration article : https://cwiki.apache.org/Hive/hbaseintegration.html

Step#1

hive> CREATE TABLE tblHbase(key int, a int, b int,c bigint)
STORED BY 'org.apache.hadoop.hive.hbase.HBaseStorageHandler'
WITH SERDEPROPERTIES ("hbase.columns.mapping" = ":key,f:a,f:b,f:c")
TBLPROPERTIES("hbase.table.name"="tblHbase");



Step#2

hbase(main):001:0> describe "tblHbase"
DESCRIPTION                                        ENABLED
 {NAME => 'tblHbase', FAMILIES => [{NAME => 'f', B true
 LOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', V
 ERSIONS => '3', COMPRESSION => 'NONE', MIN_VERSIO
 NS => '0', TTL => '2147483647', BLOCKSIZE => '655
 36', IN_MEMORY => 'false', BLOCKCACHE => 'true'}]
 }



Step#3

hive> describe tblhive;


OK id int a int b int c bigint

Step#4

hive> select * from tblhive;


OK 1 101 102 103 2 201 202 203

Step#5 -- Error in inserting data into HBase table from Hive

hive> insert overwrite table tblHbase select id,a,b,c from tblhive;

Total MapReduce jobs = 1 Launching Job 1 out of 1 Number of reduce tasks is set to 0
since there's no reduce operator Starting Job = job_1347311485447_0005,
Tracking URL = <url_deleted> Kill Command = /usr/lib/hadoop/bin/hadoop job  -Dmapred.job.tracker=0.0.0.0:8021
-kill job_1347311485447_0005 Hadoop job information for Stage-0:
number of mappers: 1;
number of reducers: 0
2012-09-10 18:19:35,844 Stage-0 map = 0%,  reduce = 0% Ended Job = job_1347311485447_0005
with errors Error during job, obtaining debugging information...
Examining task ID: task_1347311485447_0005_m_000000 (and more) from job job_1347311485447_0005

Task with the most failures(4):
----- Task ID:   task_1347311485447_0005_m_000000

URL:   http://x.x.x.x:50030/taskdetails.jsp?jobid=job_1347311485447_0005&tipid=task_1347311485447_0005_m_000000
-----

**FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.MapRedTask**
MapReduce Jobs Launched:  Job 0: Map: 1   HDFS Read: 0 HDFS Write: 0
FAIL Total MapReduce CPU Time Spent: 0 msec



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