thanks. I saw there is a new version on svd. did you manage to solve the problem?
srowen wrote: > > Yeah you see the same problem I do. If you use the Hadoop 0.20 API here it > fails because something in Hadoop expects 0.19 APIs. Seems like a bug and > I > am waiting on a fix. > The other error sound like a Hadoop version mismatch. > > It remains required to pass in a list of user ID to recommend for as > input, > yes. > > On Oct 15, 2009 10:27 AM, "jamborta" <[email protected]> wrote: > > > thanks. I tried to run it. I have two places to run it. my desktop where I > installed hadoop. it gives me this error: > > Exception in thread "main" java.lang.RuntimeException: > java.lang.RuntimeException: class > org.apache.hadoop.mapreduce.lib.output.TextOutputFormat not > org.apache.hadoop.mapred.OutputFormat > > and we have a server running where it gives me another error (I guess this > one is becuase this hadoop is an older version 0.18): > > java.lang.NoSuchMethodError: > org.apache.hadoop.mapred.JobConf.setBooleanIfUnset(Ljava/lang/String;Z)V > at org.apache.hadoop.mapreduce.Job.setUseNewAPI(Job.java:388) > > this is what I used to run it: > > hadoop-0.20.1/bin/hadoop jar data/mahout-examples-0.2-SNAPSHOT.job > org.apache.mahout.cf.taste.hadoop.RecommenderJob -r > org.apache.mahout.cf.taste.impl.recommender.slopeone.SlopeOneRecommender > -n > 10 -m data/data/all_data.data -f data/data/all_data.data -o /output > > I'm not sure about what I should put for userIdFile because userids are > already in the dataModelFile, at least that's how your input worked > before. > > thanks a lot for your help, > > Tamas > > > > -- > View this message in context: > http://www.nabble.com/Running-mahout-on-hadoop-tp25910380p25912732.html > > Sent from the Mahout User List mailing list archive at Nabble.com. > > -- View this message in context: http://www.nabble.com/Running-mahout-on-hadoop-tp25910380p25980411.html Sent from the Mahout User List mailing list archive at Nabble.com.
