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Posted to common-user@hadoop.apache.org by "Cavus,M.,Fa. Post Direkt" <M....@postdirekt.de> on 2011/01/05 10:50:05 UTC
Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected
Hi,
I get this, did anyone know why I get an Error?:
11/01/05 10:46:55 WARN conf.Configuration: fs.checkpoint.period is
deprecated. Instead, use dfs.namenode.checkpoint.period
11/01/05 10:46:55 WARN conf.Configuration: mapred.map.tasks is
deprecated. Instead, use mapreduce.job.maps
11/01/05 10:46:55 INFO mapreduce.JobSubmitter: number of splits:1
11/01/05 10:46:55 INFO mapreduce.JobSubmitter: adding the following
namenodes' delegation tokens:null
11/01/05 10:46:56 INFO mapreduce.Job: Running job: job_201101051016_0008
11/01/05 10:46:57 INFO mapreduce.Job: map 0% reduce 0%
11/01/05 10:47:04 INFO mapreduce.Job: map 100% reduce 0%
11/01/05 10:47:13 INFO mapreduce.Job: Task Id :
attempt_201101051016_0008_r_000000_0, Status : FAILED
Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext,
but class was expected
11/01/05 10:47:23 INFO mapreduce.Job: Task Id :
attempt_201101051016_0008_r_000000_1, Status : FAILED
Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext,
but class was expected
11/01/05 10:47:34 INFO mapreduce.Job: Task Id :
attempt_201101051016_0008_r_000000_2, Status : FAILED
Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext,
but class was expected
11/01/05 10:47:47 INFO mapreduce.Job: Job complete:
job_201101051016_0008
11/01/05 10:47:47 INFO mapreduce.Job: Counters: 19
FileSystemCounters
FILE_BYTES_WRITTEN=38
HDFS_BYTES_READ=69
Job Counters
Data-local map tasks=1
Total time spent by all maps waiting after reserving
slots (ms)=0
Total time spent by all reduces waiting after reserving
slots (ms)=0
Failed reduce tasks=1
SLOTS_MILLIS_MAPS=5781
SLOTS_MILLIS_REDUCES=6379
Launched map tasks=1
Launched reduce tasks=4
Map-Reduce Framework
Combine input records=0
Failed Shuffles=0
GC time elapsed (ms)=97
Map input records=0
Map output bytes=0
Map output records=0
Merged Map outputs=0
Spilled Records=0
SPLIT_RAW_BYTES=69
11/01/05 10:47:47 INFO zookeeper.ZooKeeper: Session: 0x12d555a4ed80018
closed
Re: Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext,
but class was expected
Posted by Sonal Goyal <so...@gmail.com>.
Which Hadoop versions are you testing and compiling against?
Thanks and Regards,
Sonal
<https://github.com/sonalgoyal/hiho>Connect Hadoop with databases,
Salesforce, FTP servers and others <https://github.com/sonalgoyal/hiho>
Nube Technologies <http://www.nubetech.co>
<http://in.linkedin.com/in/sonalgoyal>
On Wed, Jan 5, 2011 at 3:20 PM, Cavus,M.,Fa. Post Direkt <
M.Cavus@postdirekt.de> wrote:
> Hi,
> I get this, did anyone know why I get an Error?:
>
>
> 11/01/05 10:46:55 WARN conf.Configuration: fs.checkpoint.period is
> deprecated. Instead, use dfs.namenode.checkpoint.period
> 11/01/05 10:46:55 WARN conf.Configuration: mapred.map.tasks is
> deprecated. Instead, use mapreduce.job.maps
> 11/01/05 10:46:55 INFO mapreduce.JobSubmitter: number of splits:1
> 11/01/05 10:46:55 INFO mapreduce.JobSubmitter: adding the following
> namenodes' delegation tokens:null
> 11/01/05 10:46:56 INFO mapreduce.Job: Running job: job_201101051016_0008
> 11/01/05 10:46:57 INFO mapreduce.Job: map 0% reduce 0%
> 11/01/05 10:47:04 INFO mapreduce.Job: map 100% reduce 0%
> 11/01/05 10:47:13 INFO mapreduce.Job: Task Id :
> attempt_201101051016_0008_r_000000_0, Status : FAILED
> Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext,
> but class was expected
> 11/01/05 10:47:23 INFO mapreduce.Job: Task Id :
> attempt_201101051016_0008_r_000000_1, Status : FAILED
> Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext,
> but class was expected
> 11/01/05 10:47:34 INFO mapreduce.Job: Task Id :
> attempt_201101051016_0008_r_000000_2, Status : FAILED
> Error: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext,
> but class was expected
> 11/01/05 10:47:47 INFO mapreduce.Job: Job complete:
> job_201101051016_0008
> 11/01/05 10:47:47 INFO mapreduce.Job: Counters: 19
> FileSystemCounters
> FILE_BYTES_WRITTEN=38
> HDFS_BYTES_READ=69
> Job Counters
> Data-local map tasks=1
> Total time spent by all maps waiting after reserving
> slots (ms)=0
> Total time spent by all reduces waiting after reserving
> slots (ms)=0
> Failed reduce tasks=1
> SLOTS_MILLIS_MAPS=5781
> SLOTS_MILLIS_REDUCES=6379
> Launched map tasks=1
> Launched reduce tasks=4
> Map-Reduce Framework
> Combine input records=0
> Failed Shuffles=0
> GC time elapsed (ms)=97
> Map input records=0
> Map output bytes=0
> Map output records=0
> Merged Map outputs=0
> Spilled Records=0
> SPLIT_RAW_BYTES=69
> 11/01/05 10:47:47 INFO zookeeper.ZooKeeper: Session: 0x12d555a4ed80018
> closed
>
>