+1 this, found the same problems, same fixes. Haven't seem your last problem
On Jan 11, 2013, at 1:41 PM, Ying Liao <yliao...@gmail.com> wrote:
I am tring factorize-movielens-1M.sh. I first find a bug in the sh file.
Then I find a bug in org.apache.mahout.cf.taste.hadoop.als.DatasetSplitter,
the argMap is not mapped. No I hit a third bug:
[cloudera@localhost trunk]$ hadoop jar
/home/cloudera/workspace/Mahout/trunk/examples/target/mahout-examples-0.8-SNAPSHOT-job.jar
org.apache.mahout.cf.taste.hadoop.als.DatasetSplitter --input
/user/cloudera/ratings.csv --output /user/cloudera/dataset
--trainingPercentage 0.9 --probePercentage 0.1 --tempDir
/user/cloudera/dataset/tmp
13/01/11 16:37:30 INFO common.AbstractJob: Command line arguments:
{--endPhase=[2147483647], --input=[/user/cloudera/ratings.csv],
--output=[/user/cloudera/dataset], --probePercentage=[0.1],
--startPhase=[0], --tempDir=[/user/cloudera/dataset/tmp],
--trainingPercentage=[0.9]}
13/01/11 16:37:30 WARN conf.Configuration: mapred.input.dir is deprecated.
Instead, use mapreduce.input.fileinputformat.inputdir
13/01/11 16:37:30 WARN conf.Configuration: mapred.compress.map.output is
deprecated. Instead, use mapreduce.map.output.compress
13/01/11 16:37:30 WARN conf.Configuration: mapred.output.dir is deprecated.
Instead, use mapreduce.output.fileoutputformat.outputdir
Exception in thread "main" java.lang.IncompatibleClassChangeError: Found
interface org.apache.hadoop.mapreduce.JobContext, but class was expected
at org.apache.mahout.common.HadoopUtil.getCustomJobName(HadoopUtil.java:166)
at org.apache.mahout.common.AbstractJob.prepareJob(AbstractJob.java:553)
at
org.apache.mahout.cf.taste.hadoop.als.DatasetSplitter.run(DatasetSplitter.java:85)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
at
org.apache.mahout.cf.taste.hadoop.als.DatasetSplitter.main(DatasetSplitter.java:62)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.util.RunJar.main(RunJar.java:208)
Any help is appreciated.
Thanks,
Ying
