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From Basab Maulik <bkm.had...@gmail.com>
Subject Re: Hive-Hbase integration problem, ask for help
Date Tue, 15 Jun 2010 22:59:31 GMT
I was not able to reproduce this problem on trunk (can't remember the
label). The funny thing was both the create table and the insert overwrite
worked even though the create table contained the invalid row format spec.

Basab

On Fri, Jun 11, 2010 at 1:33 PM, John Sichi <jsichi@facebook.com> wrote:

> 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 dig
> 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=3;
> 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_201006081948_0021, Tracking URL =
> http://linux-01:50030/jobdetails.jsp?jobid=job_201006081948_0021
> Kill Command = /opt/hadoop/hdfs/bin/../bin/hadoop job
> -Dmapred.job.tracker=linux-01:9001 -kill job_201006081948_0021
> 2010-06-09 16:05:43,898 Stage-0 map = 0%,  reduce = 0%
> 2010-06-09 16:06:12,131 Stage-0 map = 100%,  reduce = 100%
> Ended Job = 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=job_201006081948_0021
> <
> http://linux-01:50030/taskdetails.jsp?jobid=job_201006081948_0021&tipid=tas
> k_201006081948_0021_m_000000<http://linux-01:50030/taskdetails.jsp?jobid=job_201006081948_0021&tipid=tas%0Ak_201006081948_0021_m_000000>>
> &tipid=task_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" = ":key,cf1:val")
> TBLPROPERTIES ("hbase.table.name" = "hive_zsf1");
>
> hbase(main):001:0> scan 'hive_zsf1'
> ROW                          COLUMN+CELL
>
>  1                           column=cf1:val, timestamp=1276157509028,
> value=zsf
>  2                           column=cf1:val, timestamp=1276157539051,
> value=zzf
>  3                           column=cf1:val, timestamp=1276157548247,
> value=zw
>  4                           column=cf1:val, timestamp=1276157557115,
> value=cjl
> 4 row(s) in 0.0470 seconds
> hbase(main):002:0>
>
> hive> select * from hive_zsf1 where id=3;
> 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_201006081948_0038, Tracking URL =
> http://linux-01:50030/jobdetails.jsp?jobid=job_201006081948_0038
> Kill Command = /opt/hadoop/hdfs/bin/../bin/hadoop job
> -Dmapred.job.tracker=linux-01:9001 -kill job_201006081948_0038
> 2010-06-11 10:25:42,049 Stage-1 map = 0%,  reduce = 0%
> 2010-06-11 10:25:45,090 Stage-1 map = 100%,  reduce = 0%
> 2010-06-11 10:25:48,133 Stage-1 map = 100%,  reduce = 100%
> Ended Job = job_201006081948_0038
> OK
> 3       zw
> Time taken: 13.526 seconds
> hive>
>
>
>
>
>
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