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Posted to common-user@hadoop.apache.org by Viswanathan J <ja...@gmail.com> on 2013/12/07 05:59:54 UTC
Hadoop MR Job failed in 2.2.0 version
Hi,
I'm trying to run the Hadoop MR job for lzo testing and getting below error,
Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext, but
class was expected
Please help.
--
Regards,
Viswa.J
Re: Hadoop MR Job failed in 2.2.0 version
Posted by yypvsxf19870706 <yy...@gmail.com>.
this is because you use the MRv1 map/reduce in the MRv2 job setting. The difference that MRv1 use the abstract class,while the MRv2 use the interface .
发自我的 iPhone
在 2013-12-7，12:59，Viswanathan J <ja...@gmail.com> 写道：
> Hi,
>
> I'm trying to run the Hadoop MR job for lzo testing and getting below error,
>
> Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected
>
> Please help.
>
> --
> Regards,
> Viswa.J
Re: Hadoop MR Job failed in 2.2.0 version
Posted by yypvsxf19870706 <yy...@gmail.com>.
this is because you use the MRv1 map/reduce in the MRv2 job setting. The difference that MRv1 use the abstract class,while the MRv2 use the interface .
发自我的 iPhone
在 2013-12-7，12:59，Viswanathan J <ja...@gmail.com> 写道：
> Hi,
>
> I'm trying to run the Hadoop MR job for lzo testing and getting below error,
>
> Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected
>
> Please help.
>
> --
> Regards,
> Viswa.J
Re: Hadoop MR Job failed in 2.2.0 version
Posted by yypvsxf19870706 <yy...@gmail.com>.
this is because you use the MRv1 map/reduce in the MRv2 job setting. The difference that MRv1 use the abstract class,while the MRv2 use the interface .
发自我的 iPhone
在 2013-12-7，12:59，Viswanathan J <ja...@gmail.com> 写道：
> Hi,
>
> I'm trying to run the Hadoop MR job for lzo testing and getting below error,
>
> Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected
>
> Please help.
>
> --
> Regards,
> Viswa.J
Re: Hadoop MR Job failed in 2.2.0 version
Posted by yypvsxf19870706 <yy...@gmail.com>.
this is because you use the MRv1 map/reduce in the MRv2 job setting. The difference that MRv1 use the abstract class,while the MRv2 use the interface .
发自我的 iPhone
在 2013-12-7，12:59，Viswanathan J <ja...@gmail.com> 写道：
> Hi,
>
> I'm trying to run the Hadoop MR job for lzo testing and getting below error,
>
> Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected
>
> Please help.
>
> --
> Regards,
> Viswa.J