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Posted to hdfs-user@hadoop.apache.org by Pradeep Singh <ha...@gmail.com> on 2013/08/15 15:40:53 UTC

mapper and reducer task failure

Hi all ,
I am new to Hadoop .I am not sure if my question is stupid or not . But
still .
I am running wordcount example and getting below error :
Command to run :
bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
/user/root/output

MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
ERROR="java\.lang\.Throwable: Child Error
    at org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
Also i have attachmet my log file from dfs
Regards
Pradeep

Re: mapper and reducer task failure

Posted by Jitendra Yadav <je...@gmail.com>.
Two things you can validate.

1. Check the directory permission on your DN side, because there is some
issue while creating symbolic link.

2. Check the allocated memory at DN side for mapper/reducer.

Thanks
On Thu, Aug 15, 2013 at 8:38 PM, Pradeep Singh <ha...@gmail.com>wrote:

>  hadoop-1.2.1
> Regards
> Pradeep Singh
>
>
> On Thu, Aug 15, 2013 at 8:22 PM, Jitendra Yadav <
> jeetuyadav200890@gmail.com> wrote:
>
>> Which version of hadoop you are using?
>>
>>
>> On Thu, Aug 15, 2013 at 8:05 PM, Pradeep Singh <ha...@gmail.com>wrote:
>>
>>>  Hi RaJ,
>>> I am using ubuntu 13.04 . and running hadoop with root user
>>> Regards
>>> Pradeep Singh
>>>
>>>
>>> On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com>wrote:
>>>
>>>>  it seems that you are running hadoop locally on windows using cygwin
>>>> and having a problem of permission.
>>>>
>>>> ::::::::::::::::::::::::::::::::::::::::
>>>> Raj K Singh
>>>> http://www.rajkrrsingh.blogspot.com
>>>> Mobile  Tel: +91 (0)9899821370
>>>>
>>>>
>>>> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <
>>>> hadoop.guy0303@gmail.com> wrote:
>>>>
>>>>>   Hi all ,
>>>>> I am new to Hadoop .I am not sure if my question is stupid or not .
>>>>> But still .
>>>>> I am running wordcount example and getting below error :
>>>>> Command to run :
>>>>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>>>>> /user/root/output
>>>>>
>>>>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>>>>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>>>>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>>>>> ERROR="java\.lang\.Throwable: Child Error
>>>>>     at
>>>>> org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>>>>> Also i have attachmet my log file from dfs
>>>>> Regards
>>>>> Pradeep
>>>>>
>>>>
>>>>
>>>
>>
>

Re: mapper and reducer task failure

Posted by Jitendra Yadav <je...@gmail.com>.
Two things you can validate.

1. Check the directory permission on your DN side, because there is some
issue while creating symbolic link.

2. Check the allocated memory at DN side for mapper/reducer.

Thanks
On Thu, Aug 15, 2013 at 8:38 PM, Pradeep Singh <ha...@gmail.com>wrote:

>  hadoop-1.2.1
> Regards
> Pradeep Singh
>
>
> On Thu, Aug 15, 2013 at 8:22 PM, Jitendra Yadav <
> jeetuyadav200890@gmail.com> wrote:
>
>> Which version of hadoop you are using?
>>
>>
>> On Thu, Aug 15, 2013 at 8:05 PM, Pradeep Singh <ha...@gmail.com>wrote:
>>
>>>  Hi RaJ,
>>> I am using ubuntu 13.04 . and running hadoop with root user
>>> Regards
>>> Pradeep Singh
>>>
>>>
>>> On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com>wrote:
>>>
>>>>  it seems that you are running hadoop locally on windows using cygwin
>>>> and having a problem of permission.
>>>>
>>>> ::::::::::::::::::::::::::::::::::::::::
>>>> Raj K Singh
>>>> http://www.rajkrrsingh.blogspot.com
>>>> Mobile  Tel: +91 (0)9899821370
>>>>
>>>>
>>>> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <
>>>> hadoop.guy0303@gmail.com> wrote:
>>>>
>>>>>   Hi all ,
>>>>> I am new to Hadoop .I am not sure if my question is stupid or not .
>>>>> But still .
>>>>> I am running wordcount example and getting below error :
>>>>> Command to run :
>>>>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>>>>> /user/root/output
>>>>>
>>>>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>>>>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>>>>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>>>>> ERROR="java\.lang\.Throwable: Child Error
>>>>>     at
>>>>> org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>>>>> Also i have attachmet my log file from dfs
>>>>> Regards
>>>>> Pradeep
>>>>>
>>>>
>>>>
>>>
>>
>

Re: mapper and reducer task failure

Posted by Jitendra Yadav <je...@gmail.com>.
Two things you can validate.

1. Check the directory permission on your DN side, because there is some
issue while creating symbolic link.

2. Check the allocated memory at DN side for mapper/reducer.

Thanks
On Thu, Aug 15, 2013 at 8:38 PM, Pradeep Singh <ha...@gmail.com>wrote:

>  hadoop-1.2.1
> Regards
> Pradeep Singh
>
>
> On Thu, Aug 15, 2013 at 8:22 PM, Jitendra Yadav <
> jeetuyadav200890@gmail.com> wrote:
>
>> Which version of hadoop you are using?
>>
>>
>> On Thu, Aug 15, 2013 at 8:05 PM, Pradeep Singh <ha...@gmail.com>wrote:
>>
>>>  Hi RaJ,
>>> I am using ubuntu 13.04 . and running hadoop with root user
>>> Regards
>>> Pradeep Singh
>>>
>>>
>>> On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com>wrote:
>>>
>>>>  it seems that you are running hadoop locally on windows using cygwin
>>>> and having a problem of permission.
>>>>
>>>> ::::::::::::::::::::::::::::::::::::::::
>>>> Raj K Singh
>>>> http://www.rajkrrsingh.blogspot.com
>>>> Mobile  Tel: +91 (0)9899821370
>>>>
>>>>
>>>> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <
>>>> hadoop.guy0303@gmail.com> wrote:
>>>>
>>>>>   Hi all ,
>>>>> I am new to Hadoop .I am not sure if my question is stupid or not .
>>>>> But still .
>>>>> I am running wordcount example and getting below error :
>>>>> Command to run :
>>>>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>>>>> /user/root/output
>>>>>
>>>>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>>>>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>>>>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>>>>> ERROR="java\.lang\.Throwable: Child Error
>>>>>     at
>>>>> org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>>>>> Also i have attachmet my log file from dfs
>>>>> Regards
>>>>> Pradeep
>>>>>
>>>>
>>>>
>>>
>>
>

Re: mapper and reducer task failure

Posted by Jitendra Yadav <je...@gmail.com>.
Two things you can validate.

1. Check the directory permission on your DN side, because there is some
issue while creating symbolic link.

2. Check the allocated memory at DN side for mapper/reducer.

Thanks
On Thu, Aug 15, 2013 at 8:38 PM, Pradeep Singh <ha...@gmail.com>wrote:

>  hadoop-1.2.1
> Regards
> Pradeep Singh
>
>
> On Thu, Aug 15, 2013 at 8:22 PM, Jitendra Yadav <
> jeetuyadav200890@gmail.com> wrote:
>
>> Which version of hadoop you are using?
>>
>>
>> On Thu, Aug 15, 2013 at 8:05 PM, Pradeep Singh <ha...@gmail.com>wrote:
>>
>>>  Hi RaJ,
>>> I am using ubuntu 13.04 . and running hadoop with root user
>>> Regards
>>> Pradeep Singh
>>>
>>>
>>> On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com>wrote:
>>>
>>>>  it seems that you are running hadoop locally on windows using cygwin
>>>> and having a problem of permission.
>>>>
>>>> ::::::::::::::::::::::::::::::::::::::::
>>>> Raj K Singh
>>>> http://www.rajkrrsingh.blogspot.com
>>>> Mobile  Tel: +91 (0)9899821370
>>>>
>>>>
>>>> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <
>>>> hadoop.guy0303@gmail.com> wrote:
>>>>
>>>>>   Hi all ,
>>>>> I am new to Hadoop .I am not sure if my question is stupid or not .
>>>>> But still .
>>>>> I am running wordcount example and getting below error :
>>>>> Command to run :
>>>>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>>>>> /user/root/output
>>>>>
>>>>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>>>>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>>>>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>>>>> ERROR="java\.lang\.Throwable: Child Error
>>>>>     at
>>>>> org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>>>>> Also i have attachmet my log file from dfs
>>>>> Regards
>>>>> Pradeep
>>>>>
>>>>
>>>>
>>>
>>
>

Re: mapper and reducer task failure

Posted by Pradeep Singh <ha...@gmail.com>.
hadoop-1.2.1
Regards
Pradeep Singh


On Thu, Aug 15, 2013 at 8:22 PM, Jitendra Yadav
<je...@gmail.com>wrote:

> Which version of hadoop you are using?
>
>
> On Thu, Aug 15, 2013 at 8:05 PM, Pradeep Singh <ha...@gmail.com>wrote:
>
>>  Hi RaJ,
>> I am using ubuntu 13.04 . and running hadoop with root user
>> Regards
>> Pradeep Singh
>>
>>
>> On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com>wrote:
>>
>>>  it seems that you are running hadoop locally on windows using cygwin
>>> and having a problem of permission.
>>>
>>> ::::::::::::::::::::::::::::::::::::::::
>>> Raj K Singh
>>> http://www.rajkrrsingh.blogspot.com
>>> Mobile  Tel: +91 (0)9899821370
>>>
>>>
>>> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <hadoop.guy0303@gmail.com
>>> > wrote:
>>>
>>>>   Hi all ,
>>>> I am new to Hadoop .I am not sure if my question is stupid or not . But
>>>> still .
>>>> I am running wordcount example and getting below error :
>>>> Command to run :
>>>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>>>> /user/root/output
>>>>
>>>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>>>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>>>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>>>> ERROR="java\.lang\.Throwable: Child Error
>>>>     at
>>>> org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>>>> Also i have attachmet my log file from dfs
>>>> Regards
>>>> Pradeep
>>>>
>>>
>>>
>>
>

Re: mapper and reducer task failure

Posted by Pradeep Singh <ha...@gmail.com>.
hadoop-1.2.1
Regards
Pradeep Singh


On Thu, Aug 15, 2013 at 8:22 PM, Jitendra Yadav
<je...@gmail.com>wrote:

> Which version of hadoop you are using?
>
>
> On Thu, Aug 15, 2013 at 8:05 PM, Pradeep Singh <ha...@gmail.com>wrote:
>
>>  Hi RaJ,
>> I am using ubuntu 13.04 . and running hadoop with root user
>> Regards
>> Pradeep Singh
>>
>>
>> On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com>wrote:
>>
>>>  it seems that you are running hadoop locally on windows using cygwin
>>> and having a problem of permission.
>>>
>>> ::::::::::::::::::::::::::::::::::::::::
>>> Raj K Singh
>>> http://www.rajkrrsingh.blogspot.com
>>> Mobile  Tel: +91 (0)9899821370
>>>
>>>
>>> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <hadoop.guy0303@gmail.com
>>> > wrote:
>>>
>>>>   Hi all ,
>>>> I am new to Hadoop .I am not sure if my question is stupid or not . But
>>>> still .
>>>> I am running wordcount example and getting below error :
>>>> Command to run :
>>>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>>>> /user/root/output
>>>>
>>>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>>>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>>>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>>>> ERROR="java\.lang\.Throwable: Child Error
>>>>     at
>>>> org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>>>> Also i have attachmet my log file from dfs
>>>> Regards
>>>> Pradeep
>>>>
>>>
>>>
>>
>

Re: mapper and reducer task failure

Posted by Pradeep Singh <ha...@gmail.com>.
hadoop-1.2.1
Regards
Pradeep Singh


On Thu, Aug 15, 2013 at 8:22 PM, Jitendra Yadav
<je...@gmail.com>wrote:

> Which version of hadoop you are using?
>
>
> On Thu, Aug 15, 2013 at 8:05 PM, Pradeep Singh <ha...@gmail.com>wrote:
>
>>  Hi RaJ,
>> I am using ubuntu 13.04 . and running hadoop with root user
>> Regards
>> Pradeep Singh
>>
>>
>> On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com>wrote:
>>
>>>  it seems that you are running hadoop locally on windows using cygwin
>>> and having a problem of permission.
>>>
>>> ::::::::::::::::::::::::::::::::::::::::
>>> Raj K Singh
>>> http://www.rajkrrsingh.blogspot.com
>>> Mobile  Tel: +91 (0)9899821370
>>>
>>>
>>> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <hadoop.guy0303@gmail.com
>>> > wrote:
>>>
>>>>   Hi all ,
>>>> I am new to Hadoop .I am not sure if my question is stupid or not . But
>>>> still .
>>>> I am running wordcount example and getting below error :
>>>> Command to run :
>>>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>>>> /user/root/output
>>>>
>>>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>>>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>>>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>>>> ERROR="java\.lang\.Throwable: Child Error
>>>>     at
>>>> org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>>>> Also i have attachmet my log file from dfs
>>>> Regards
>>>> Pradeep
>>>>
>>>
>>>
>>
>

Re: mapper and reducer task failure

Posted by Pradeep Singh <ha...@gmail.com>.
hadoop-1.2.1
Regards
Pradeep Singh


On Thu, Aug 15, 2013 at 8:22 PM, Jitendra Yadav
<je...@gmail.com>wrote:

> Which version of hadoop you are using?
>
>
> On Thu, Aug 15, 2013 at 8:05 PM, Pradeep Singh <ha...@gmail.com>wrote:
>
>>  Hi RaJ,
>> I am using ubuntu 13.04 . and running hadoop with root user
>> Regards
>> Pradeep Singh
>>
>>
>> On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com>wrote:
>>
>>>  it seems that you are running hadoop locally on windows using cygwin
>>> and having a problem of permission.
>>>
>>> ::::::::::::::::::::::::::::::::::::::::
>>> Raj K Singh
>>> http://www.rajkrrsingh.blogspot.com
>>> Mobile  Tel: +91 (0)9899821370
>>>
>>>
>>> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <hadoop.guy0303@gmail.com
>>> > wrote:
>>>
>>>>   Hi all ,
>>>> I am new to Hadoop .I am not sure if my question is stupid or not . But
>>>> still .
>>>> I am running wordcount example and getting below error :
>>>> Command to run :
>>>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>>>> /user/root/output
>>>>
>>>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>>>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>>>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>>>> ERROR="java\.lang\.Throwable: Child Error
>>>>     at
>>>> org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>>>> Also i have attachmet my log file from dfs
>>>> Regards
>>>> Pradeep
>>>>
>>>
>>>
>>
>

Re: mapper and reducer task failure

Posted by Jitendra Yadav <je...@gmail.com>.
Which version of hadoop you are using?

On Thu, Aug 15, 2013 at 8:05 PM, Pradeep Singh <ha...@gmail.com>wrote:

>  Hi RaJ,
> I am using ubuntu 13.04 . and running hadoop with root user
> Regards
> Pradeep Singh
>
>
> On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com>wrote:
>
>>  it seems that you are running hadoop locally on windows using cygwin
>> and having a problem of permission.
>>
>> ::::::::::::::::::::::::::::::::::::::::
>> Raj K Singh
>> http://www.rajkrrsingh.blogspot.com
>> Mobile  Tel: +91 (0)9899821370
>>
>>
>> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <ha...@gmail.com>wrote:
>>
>>>   Hi all ,
>>> I am new to Hadoop .I am not sure if my question is stupid or not . But
>>> still .
>>> I am running wordcount example and getting below error :
>>> Command to run :
>>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>>> /user/root/output
>>>
>>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>>> ERROR="java\.lang\.Throwable: Child Error
>>>     at org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>>> Also i have attachmet my log file from dfs
>>> Regards
>>> Pradeep
>>>
>>
>>
>

Re: mapper and reducer task failure

Posted by Jitendra Yadav <je...@gmail.com>.
Which version of hadoop you are using?

On Thu, Aug 15, 2013 at 8:05 PM, Pradeep Singh <ha...@gmail.com>wrote:

>  Hi RaJ,
> I am using ubuntu 13.04 . and running hadoop with root user
> Regards
> Pradeep Singh
>
>
> On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com>wrote:
>
>>  it seems that you are running hadoop locally on windows using cygwin
>> and having a problem of permission.
>>
>> ::::::::::::::::::::::::::::::::::::::::
>> Raj K Singh
>> http://www.rajkrrsingh.blogspot.com
>> Mobile  Tel: +91 (0)9899821370
>>
>>
>> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <ha...@gmail.com>wrote:
>>
>>>   Hi all ,
>>> I am new to Hadoop .I am not sure if my question is stupid or not . But
>>> still .
>>> I am running wordcount example and getting below error :
>>> Command to run :
>>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>>> /user/root/output
>>>
>>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>>> ERROR="java\.lang\.Throwable: Child Error
>>>     at org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>>> Also i have attachmet my log file from dfs
>>> Regards
>>> Pradeep
>>>
>>
>>
>

Re: mapper and reducer task failure

Posted by Jitendra Yadav <je...@gmail.com>.
Which version of hadoop you are using?

On Thu, Aug 15, 2013 at 8:05 PM, Pradeep Singh <ha...@gmail.com>wrote:

>  Hi RaJ,
> I am using ubuntu 13.04 . and running hadoop with root user
> Regards
> Pradeep Singh
>
>
> On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com>wrote:
>
>>  it seems that you are running hadoop locally on windows using cygwin
>> and having a problem of permission.
>>
>> ::::::::::::::::::::::::::::::::::::::::
>> Raj K Singh
>> http://www.rajkrrsingh.blogspot.com
>> Mobile  Tel: +91 (0)9899821370
>>
>>
>> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <ha...@gmail.com>wrote:
>>
>>>   Hi all ,
>>> I am new to Hadoop .I am not sure if my question is stupid or not . But
>>> still .
>>> I am running wordcount example and getting below error :
>>> Command to run :
>>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>>> /user/root/output
>>>
>>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>>> ERROR="java\.lang\.Throwable: Child Error
>>>     at org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>>> Also i have attachmet my log file from dfs
>>> Regards
>>> Pradeep
>>>
>>
>>
>

Re: mapper and reducer task failure

Posted by Jitendra Yadav <je...@gmail.com>.
Which version of hadoop you are using?

On Thu, Aug 15, 2013 at 8:05 PM, Pradeep Singh <ha...@gmail.com>wrote:

>  Hi RaJ,
> I am using ubuntu 13.04 . and running hadoop with root user
> Regards
> Pradeep Singh
>
>
> On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com>wrote:
>
>>  it seems that you are running hadoop locally on windows using cygwin
>> and having a problem of permission.
>>
>> ::::::::::::::::::::::::::::::::::::::::
>> Raj K Singh
>> http://www.rajkrrsingh.blogspot.com
>> Mobile  Tel: +91 (0)9899821370
>>
>>
>> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <ha...@gmail.com>wrote:
>>
>>>   Hi all ,
>>> I am new to Hadoop .I am not sure if my question is stupid or not . But
>>> still .
>>> I am running wordcount example and getting below error :
>>> Command to run :
>>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>>> /user/root/output
>>>
>>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>>> ERROR="java\.lang\.Throwable: Child Error
>>>     at org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>>> Also i have attachmet my log file from dfs
>>> Regards
>>> Pradeep
>>>
>>
>>
>

Re: mapper and reducer task failure

Posted by Pradeep Singh <ha...@gmail.com>.
Hi RaJ,
I am using ubuntu 13.04 . and running hadoop with root user
Regards
Pradeep Singh


On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com> wrote:

> it seems that you are running hadoop locally on windows using cygwin and
> having a problem of permission.
>
> ::::::::::::::::::::::::::::::::::::::::
> Raj K Singh
> http://www.rajkrrsingh.blogspot.com
> Mobile  Tel: +91 (0)9899821370
>
>
> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <ha...@gmail.com>wrote:
>
>> Hi all ,
>> I am new to Hadoop .I am not sure if my question is stupid or not . But
>> still .
>> I am running wordcount example and getting below error :
>> Command to run :
>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>> /user/root/output
>>
>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>> ERROR="java\.lang\.Throwable: Child Error
>>     at org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>> Also i have attachmet my log file from dfs
>> Regards
>> Pradeep
>>
>
>

Re: mapper and reducer task failure

Posted by Pradeep Singh <ha...@gmail.com>.
Hi RaJ,
I am using ubuntu 13.04 . and running hadoop with root user
Regards
Pradeep Singh


On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com> wrote:

> it seems that you are running hadoop locally on windows using cygwin and
> having a problem of permission.
>
> ::::::::::::::::::::::::::::::::::::::::
> Raj K Singh
> http://www.rajkrrsingh.blogspot.com
> Mobile  Tel: +91 (0)9899821370
>
>
> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <ha...@gmail.com>wrote:
>
>> Hi all ,
>> I am new to Hadoop .I am not sure if my question is stupid or not . But
>> still .
>> I am running wordcount example and getting below error :
>> Command to run :
>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>> /user/root/output
>>
>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>> ERROR="java\.lang\.Throwable: Child Error
>>     at org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>> Also i have attachmet my log file from dfs
>> Regards
>> Pradeep
>>
>
>

Re: mapper and reducer task failure

Posted by Pradeep Singh <ha...@gmail.com>.
Hi RaJ,
I am using ubuntu 13.04 . and running hadoop with root user
Regards
Pradeep Singh


On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com> wrote:

> it seems that you are running hadoop locally on windows using cygwin and
> having a problem of permission.
>
> ::::::::::::::::::::::::::::::::::::::::
> Raj K Singh
> http://www.rajkrrsingh.blogspot.com
> Mobile  Tel: +91 (0)9899821370
>
>
> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <ha...@gmail.com>wrote:
>
>> Hi all ,
>> I am new to Hadoop .I am not sure if my question is stupid or not . But
>> still .
>> I am running wordcount example and getting below error :
>> Command to run :
>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>> /user/root/output
>>
>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>> ERROR="java\.lang\.Throwable: Child Error
>>     at org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>> Also i have attachmet my log file from dfs
>> Regards
>> Pradeep
>>
>
>

Re: mapper and reducer task failure

Posted by Pradeep Singh <ha...@gmail.com>.
Hi RaJ,
I am using ubuntu 13.04 . and running hadoop with root user
Regards
Pradeep Singh


On Thu, Aug 15, 2013 at 7:29 PM, Raj K Singh <ra...@gmail.com> wrote:

> it seems that you are running hadoop locally on windows using cygwin and
> having a problem of permission.
>
> ::::::::::::::::::::::::::::::::::::::::
> Raj K Singh
> http://www.rajkrrsingh.blogspot.com
> Mobile  Tel: +91 (0)9899821370
>
>
> On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <ha...@gmail.com>wrote:
>
>> Hi all ,
>> I am new to Hadoop .I am not sure if my question is stupid or not . But
>> still .
>> I am running wordcount example and getting below error :
>> Command to run :
>> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
>> /user/root/output
>>
>> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
>> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
>> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
>> ERROR="java\.lang\.Throwable: Child Error
>>     at org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
>> Also i have attachmet my log file from dfs
>> Regards
>> Pradeep
>>
>
>

Re: mapper and reducer task failure

Posted by Raj K Singh <ra...@gmail.com>.
it seems that you are running hadoop locally on windows using cygwin and
having a problem of permission.

::::::::::::::::::::::::::::::::::::::::
Raj K Singh
http://www.rajkrrsingh.blogspot.com
Mobile  Tel: +91 (0)9899821370


On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <ha...@gmail.com>wrote:

> Hi all ,
> I am new to Hadoop .I am not sure if my question is stupid or not . But
> still .
> I am running wordcount example and getting below error :
> Command to run :
> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
> /user/root/output
>
> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
> ERROR="java\.lang\.Throwable: Child Error
>     at org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
> Also i have attachmet my log file from dfs
> Regards
> Pradeep
>

Re: mapper and reducer task failure

Posted by Raj K Singh <ra...@gmail.com>.
it seems that you are running hadoop locally on windows using cygwin and
having a problem of permission.

::::::::::::::::::::::::::::::::::::::::
Raj K Singh
http://www.rajkrrsingh.blogspot.com
Mobile  Tel: +91 (0)9899821370


On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <ha...@gmail.com>wrote:

> Hi all ,
> I am new to Hadoop .I am not sure if my question is stupid or not . But
> still .
> I am running wordcount example and getting below error :
> Command to run :
> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
> /user/root/output
>
> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
> ERROR="java\.lang\.Throwable: Child Error
>     at org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
> Also i have attachmet my log file from dfs
> Regards
> Pradeep
>

Re: mapper and reducer task failure

Posted by Raj K Singh <ra...@gmail.com>.
it seems that you are running hadoop locally on windows using cygwin and
having a problem of permission.

::::::::::::::::::::::::::::::::::::::::
Raj K Singh
http://www.rajkrrsingh.blogspot.com
Mobile  Tel: +91 (0)9899821370


On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <ha...@gmail.com>wrote:

> Hi all ,
> I am new to Hadoop .I am not sure if my question is stupid or not . But
> still .
> I am running wordcount example and getting below error :
> Command to run :
> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
> /user/root/output
>
> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
> ERROR="java\.lang\.Throwable: Child Error
>     at org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
> Also i have attachmet my log file from dfs
> Regards
> Pradeep
>

Re: mapper and reducer task failure

Posted by Raj K Singh <ra...@gmail.com>.
it seems that you are running hadoop locally on windows using cygwin and
having a problem of permission.

::::::::::::::::::::::::::::::::::::::::
Raj K Singh
http://www.rajkrrsingh.blogspot.com
Mobile  Tel: +91 (0)9899821370


On Thu, Aug 15, 2013 at 7:10 PM, Pradeep Singh <ha...@gmail.com>wrote:

> Hi all ,
> I am new to Hadoop .I am not sure if my question is stupid or not . But
> still .
> I am running wordcount example and getting below error :
> Command to run :
> bin/hadoop jar hadoop-examples-1.2.1.jar WordCount /user/root/input/*
> /user/root/output
>
> MapAttempt TASK_TYPE="SETUP" TASKID="task_201308151750_0011_m_000003"
> TASK_ATTEMPT_ID="attempt_201308151750_0011_m_000003_1" TASK_STATUS="FAILED"
> FINISH_TIME="1376572981053" HOSTNAME="pradeep-pc"
> ERROR="java\.lang\.Throwable: Child Error
>     at org\.apache\.hadoop\.mapred\.TaskRunner\.run(TaskRunner\.java:271)
> Also i have attachmet my log file from dfs
> Regards
> Pradeep
>