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From Mark Grover <mgro...@oanda.com>
Subject Re: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.ExecDriver
Date Thu, 10 Nov 2011 00:22:41 GMT
Hi Aditya,
Could you provide the statement that you used to create the table? Also, some insight into
what your data looks like would be helpful as well.
What version of Hive and Hadoop are you using, on what environment?

Have you tried running one of the examples (like wordcount) that come with Hadoop (without
any usage of Hive) to see if they succeed?
"select * from table" doesn't spawn a map-reduce job but using a where clause does. It will
be good to see if Hadoop is set up properly.

Here is another thread that might have discussed a similar issue. Check it out:
http://mail-archives.apache.org/mod_mbox/hive-user/201103.mbox/%3C000901cbe937$80ec3d30$82c4b790$@net%3E

Mark

----- Original Message -----
From: "Aditya Singh30" <Aditya_Singh30@infosys.com>
To: user@hive.apache.org
Cc: "Vikas Srivastava" <vikas.srivastava@one97.net>
Sent: Wednesday, 9 November, 2011 12:11:29 AM
Subject: RE: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.ExecDriver




Hi, 

I checked the column names and the values. They are same as they are in the table. 

Do we need to install hive or add some hive libraries in hadoop’s classpath on the datanode-machines
also. If yes then please guide me. 



Thanks & Regards, 

Aditya 





From: Aditya Singh30 
Sent: Wednesday, November 09, 2011 10:25 AM 
To: 'user@hive.apache.org' 
Cc: 'Vikas Srivastava' 
Subject: RE: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.ExecDriver




Hi, 

I am curious that if the ‘value’, for which we are looking for in a column, doesn’t
exist, doesn’t hive tells ‘no data found matching the criteria’ or something like that,
rather than returning an error. 



From: Vikas Srivastava [mailto:vikas.srivastava@one97.net] 
Sent: Tuesday, November 08, 2011 6:29 PM 
To: user@hive.apache.org 
Subject: Re: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.ExecDriver




hey Aditya!! 

col values is case sensitive so u have to put exact value . 

select * from table where col_name= 'EXACT_VALUE' 

regards 
Vikas Srivastava 


On Tue, Nov 8, 2011 at 5:17 PM, Aditya Singh30 < Aditya_Singh30@infosys.com > wrote:




Hi, 

I have setup a two node hadoop cluster, and tested it by running examples provided with Hadoop.
Examples are working fine. then I tried to run hive on the cluster. I was able to create tables
and load data into tables. And also the query : “select * from tablename” is working fine.
But when I try to run a query with where option : 

hive> select * from tablename where column_name=’Value’; 

I get the following error 



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



The jobdetails.jsp shows the following: 



java.lang.RuntimeException: java.util.NoSuchElementException 

at org.apache.hadoop.hive.ql.exec.Utilities.getMapRedWork(Utilities. 
java:168) 

at 
org.apache.hadoop.hive.ql.io.HiveInputFormat.init(HiveInputFormat.java:235) 

at 
org.apache.hadoop.hive.ql.io.HiveInputFormat.initColumnsNeeded(HiveInputForm 
at.java:311)………….. 

………… 



I am using hive’s derby only and not MySQL or any other DB for metastore. And most of the
settings are having their default values in Hadoop, except for the minimum changes needed
to run the cluster. There is no hive-site.xml as I haven’t changed any of the hive’s properties.


Please tell me what is wrong and what do I need to do. 



Regards, 

Aditya Singh 

Infosys, India. 

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-- 
With Regards 
Vikas Srivastava 

DWH & Analytics Team 


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