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Posted to dev@mahout.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2015/04/04 03:58:33 UTC
[jira] [Commented] (MAHOUT-1594) Example factorize-movielens-1M.sh
does not use HDFS
[ https://issues.apache.org/jira/browse/MAHOUT-1594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14395462#comment-14395462 ]
ASF GitHub Bot commented on MAHOUT-1594:
----------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/mahout/pull/38
> Example factorize-movielens-1M.sh does not use HDFS
> ---------------------------------------------------
>
> Key: MAHOUT-1594
> URL: https://issues.apache.org/jira/browse/MAHOUT-1594
> Project: Mahout
> Issue Type: Bug
> Components: Examples
> Affects Versions: 0.9
> Environment: Hadoop version: 2.4.0.2.1.1.0-385
> Git hash: 2b65475c3ab682ebd47cffdc6b502698799cd2c8 (trunk)
> Reporter: jaehoon ko
> Priority: Minor
> Labels: legacy, newbie, patch
> Fix For: 0.10.0
>
> Attachments: MAHOUT-1594.patch
>
>
> It seems that factorize-movielens-1M.sh does not use HDFS at all. All paths look local paths, not HDFS. So the example crashes immeidately because it cannot find input data from HDFS:
> {code}
> Exception in thread "main" org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input path does not exist: /tmp/mahout-work-hoseog.lee/movielens/ratings.csv
> at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.singleThreadedListStatus(FileInputFormat.java:320)
> at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.listStatus(FileInputFormat.java:263)
> at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.getSplits(FileInputFormat.java:375)
> at org.apache.hadoop.mapreduce.JobSubmitter.writeNewSplits(JobSubmitter.java:493)
> at org.apache.hadoop.mapreduce.JobSubmitter.writeSplits(JobSubmitter.java:510)
> at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:394)
> at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1285)
> at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1282)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1557)
> at org.apache.hadoop.mapreduce.Job.submit(Job.java:1282)
> at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1303)
> at org.apache.mahout.cf.taste.hadoop.als.DatasetSplitter.run(DatasetSplitter.java:94)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
> at org.apache.mahout.cf.taste.hadoop.als.DatasetSplitter.main(DatasetSplitter.java:64)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:72)
> at org.apache.hadoop.util.ProgramDriver.run(ProgramDriver.java:145)
> at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:153)
> at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:195)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:212)
> {code}
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