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From: John Sichi <jsichi@facebook.com>
To: "hive-dev@hadoop.apache.org" <hive-dev@hadoop.apache.org>
CC: "'zhaozhifeng 00129982'" <zhzf1511@huawei.com>
Date: Fri, 11 Jun 2010 13:33:00 -0700
Subject: RE: Hive-Hbase integration problem, ask for help
Thread-Topic: Hive-Hbase integration problem, ask for help
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You should not be specifying any ROW FORMAT for an HBase table.

>From the log in your earlier post, I couldn't tell what was going wrong; I =
don' think it contained the full exception stacks.  You might be able to di=
g around in the actual log files to find more.

JVS
________________________________________
From: Zhou Shuaifeng [zhoushuaifeng@huawei.com]
Sent: Thursday, June 10, 2010 7:26 PM
To: hive-dev@hadoop.apache.org
Cc: 'zhaozhifeng 00129982'
Subject: Hive-Hbase integration problem, ask for help

Hi Guys,

I download the hive source from SVN server, build it and try to run the
hive-hbase integration.

I works well on all file-based hive tables, but on the hbase-based tables,
the 'insert' command cann't run successful. The 'select' command can run
well.

error info is below:

hive> INSERT OVERWRITE TABLE hive_zsf SELECT * FROM zsf WHERE id=3D3;
Total MapReduce jobs =3D 1
Launching Job 1 out of 1
Number of reduce tasks is set to 0 since there's no reduce operator
Starting Job =3D job_201006081948_0021, Tracking URL =3D
http://linux-01:50030/jobdetails.jsp?jobid=3Djob_201006081948_0021
Kill Command =3D /opt/hadoop/hdfs/bin/../bin/hadoop job
-Dmapred.job.tracker=3Dlinux-01:9001 -kill job_201006081948_0021
2010-06-09 16:05:43,898 Stage-0 map =3D 0%,  reduce =3D 0%
2010-06-09 16:06:12,131 Stage-0 map =3D 100%,  reduce =3D 100%
Ended Job =3D job_201006081948_0021 with errors

Task with the most failures(4):
-----
Task ID:
  task_201006081948_0021_m_000000

URL:
  http://linux-01:50030/taskdetails.jsp?jobid=3Djob_201006081948_0021
<http://linux-01:50030/taskdetails.jsp?jobid=3Djob_201006081948_0021&tipid=
=3Dtas
k_201006081948_0021_m_000000> &tipid=3Dtask_201006081948_0021_m_000000
-----

FAILED: Execution Error, return code 2 from
org.apache.hadoop.hive.ql.exec.ExecDriver


I create a hbase-based table with hive, put some data into the hbase table
through the hbase shell, and can select data from it through hive:

CREATE TABLE hive_zsf1(id int, name string) ROW FORMAT DELIMITED
FIELDS TERMINATED BY '\t'
STORED BY 'org.apache.hadoop.hive.hbase.HBaseStorageHandler'
WITH SERDEPROPERTIES ("hbase.columns.mapping" =3D ":key,cf1:val")
TBLPROPERTIES ("hbase.table.name" =3D "hive_zsf1");

hbase(main):001:0> scan 'hive_zsf1'
ROW                          COLUMN+CELL

 1                           column=3Dcf1:val, timestamp=3D1276157509028,
value=3Dzsf
 2                           column=3Dcf1:val, timestamp=3D1276157539051,
value=3Dzzf
 3                           column=3Dcf1:val, timestamp=3D1276157548247,
value=3Dzw
 4                           column=3Dcf1:val, timestamp=3D1276157557115,
value=3Dcjl
4 row(s) in 0.0470 seconds
hbase(main):002:0>

hive> select * from hive_zsf1 where id=3D3;
Total MapReduce jobs =3D 1
Launching Job 1 out of 1
Number of reduce tasks is set to 0 since there's no reduce operator
Starting Job =3D job_201006081948_0038, Tracking URL =3D
http://linux-01:50030/jobdetails.jsp?jobid=3Djob_201006081948_0038
Kill Command =3D /opt/hadoop/hdfs/bin/../bin/hadoop job
-Dmapred.job.tracker=3Dlinux-01:9001 -kill job_201006081948_0038
2010-06-11 10:25:42,049 Stage-1 map =3D 0%,  reduce =3D 0%
2010-06-11 10:25:45,090 Stage-1 map =3D 100%,  reduce =3D 0%
2010-06-11 10:25:48,133 Stage-1 map =3D 100%,  reduce =3D 100%
Ended Job =3D job_201006081948_0038
OK
3       zw
Time taken: 13.526 seconds
hive>


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