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From Vikas Srivastava <vikas.srivast...@one97.net>
Subject Re: Problem in Hadoop(0.20.2) with hive
Date Tue, 19 Jul 2011 13:05:10 GMT
On Tue, Jul 19, 2011 at 6:29 PM, Vikas Srivastava <
vikas.srivastava@one97.net> wrote:

>
> HI Team,
>>
>>
>> we are using 1 namenode with 11 Datanode each of (16GB ram and 1.4 tb hdd)
>>
>> i m getting this error while running any query , simple its not working
>> when we use any map tasks.
>>
>> and we are using hive on hadoop.
>>
>> Total MapReduce jobs = 1
>> Launching Job 1 out of 1
>> Number of reduce tasks not specified. Estimated from input data size: 120
>> In order to change the average load for a reducer (in bytes):
>>   set hive.exec.reducers.bytes.per.reducer=<number>
>> In order to limit the maximum number of reducers:
>>   set hive.exec.reducers.max=<number>
>> In order to set a constant number of reducers:
>>   set mapred.reduce.tasks=<number>
>> Starting Job = job_201107191711_0013, Tracking URL =
>> http://hadoopname:50030/jobdetails.jsp?jobid=job_201107191711_0013
>> Kill Command = /home/hadoop/hadoop/bin/../bin/hadoop job
>> -Dmapred.job.tracker=10.0.3.28:9001 -kill job_201107191711_0013
>> 2011-07-19 18:06:34,973 Stage-1 map = 100%,  reduce = 100%
>> Ended Job = job_201107191711_0013 with errors
>> java.lang.RuntimeException: Error while reading from task log url
>>         at
>> org.apache.hadoop.hive.ql.exec.errors.TaskLogProcessor.getErrors(TaskLogProcessor.java:130)
>>         at
>> org.apache.hadoop.hive.ql.exec.ExecDriver.showJobFailDebugInfo(ExecDriver.java:889)
>>         at
>> org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:680)
>>         at
>> org.apache.hadoop.hive.ql.exec.MapRedTask.execute(MapRedTask.java:123)
>>         at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:130)
>>         at
>> org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:57)
>>         at
>> org.apache.hadoop.hive.ql.exec.TaskRunner.run(TaskRunner.java:47)
>> Caused by: java.net.UnknownHostException: hadoopdata3
>>         at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)
>>         at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
>>         at java.net.Socket.connect(Socket.java:519)
>>         at java.net.Socket.connect(Socket.java:469)
>>         at sun.net.NetworkClient.doConnect(NetworkClient.java:163)
>>         at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
>>         at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
>>         at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
>>         at sun.net.www.http.HttpClient.New(HttpClient.java:306)
>>         at sun.net.www.http.HttpClient.New(HttpClient.java:323)
>>         at
>> sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:837)
>>         at
>> sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:778)
>>         at
>> sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:703)
>>         at
>> sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1026)
>>         at java.net.URL.openStream(URL.java:1009)
>>         at
>> org.apache.hadoop.hive.ql.exec.errors.TaskLogProcessor.getErrors(TaskLogProcessor.java:120)
>>         ... 6 more
>> Ended Job = job_201107191711_0013 with exception
>> 'java.lang.RuntimeException(Error while reading from task log url)'
>> FAILED: Execution Error, return code 1 from
>> org.apache.hadoop.hive.ql.exec.MapRedTask
>>
>> --
>> With Regards
>> Vikas Srivastava
>>
>> DWH & Analytics Team
>> Mob:+91 9560885900
>> One97 | Let's get talking !
>>
>>
>
>
> --
> With Regards
> Vikas Srivastava
>
> DWH & Analytics Team
> Mob:+91 9560885900
> One97 | Let's get talking !
>
>


-- 
With Regards
Vikas Srivastava

DWH & Analytics Team
Mob:+91 9560885900
One97 | Let's get talking !

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