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From Vandana kumari <kvandana1...@gmail.com>
Subject Re: Creation of an empty output directory in hadoop filesystem
Date Wed, 07 Jan 2015 13:33:36 GMT
yes, there is no compilation error. But thank you for finding mistakes, i
will make the above changes and let you all know.

On Wed, Jan 7, 2015 at 6:52 PM, Shahab Yunus <shahab.yunus@gmail.com> wrote:

> Vandana,
>
> Also, in the code that you attached, I see 2 compilation errors. How is it
> even compiling? Or am I missing something here?
>
> 1- The 'sum' is not declared in the Map class.
> 2- The 'sum' in the Reduce class, when written to the context needs to be
> IntWritable and not directly an int.
>
> Regards,
> Shahab
>
> On Wed, Jan 7, 2015 at 8:18 AM, Shahab Yunus <shahab.yunus@gmail.com>
> wrote:
>
>> First try:
>>
>> You should use @Override annotation before map and reduce methods so they
>> are actually called.
>>
>> Like this:
>> *@Override*
>>  public void map(LongWritable k,Text v,Context con)throws
>> IOException,InterruptedException
>>
>>         {...
>>
>> Do same for 'reduce' method.
>>
>> Regards,
>> Shahab
>>
>> On Wed, Jan 7, 2015 at 7:58 AM, Vandana kumari <kvandana1992@gmail.com>
>> wrote:
>>
>>>
>>>
>>> On Wed, Jan 7, 2015 at 4:16 PM, saurabh chhajed <schhajed.iet@gmail.com>
>>> wrote:
>>>
>>>> Can you attach .java file instead of .class ?
>>>>
>>>> On Wed, Jan 7, 2015 at 4:04 PM, Vandana kumari <kvandana1992@gmail.com>
>>>> wrote:
>>>>
>>>>> Hello all,
>>>>>
>>>>> I had written a kmer mapreduce program in java. There is no error in
>>>>> the program and while running it creates an output directory in hadoop
file
>>>>> system but that directory is empty.
>>>>> Please help to resolve this issue.
>>>>> Input file(test.txt) and kmer.java is attached herewith.
>>>>> --
>>>>> Thanks and regards
>>>>>   Vandana kumari
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>>
>>>> [image: --]
>>>> Saurabh Chhajed
>>>> [image: http://]saurzcode.in/
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>> --
>>> Thanks and regards
>>>   Vandana kumari
>>>
>>
>>
>


-- 
Thanks and regards
  Vandana kumari

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