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Posted to dev@mahout.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2011/08/17 11:34:27 UTC

[jira] [Updated] (MAHOUT-769) Implementation of ALS -WR.... error caused by log file not found

     [ https://issues.apache.org/jira/browse/MAHOUT-769?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen updated MAHOUT-769:
-----------------------------

          Component/s:     (was: Examples)
    Affects Version/s:     (was: 0.5)
                           (was: 0.4)
        Fix Version/s:     (was: 0.5)
             Assignee: Sebastian Schelter

>From this info, I don't think we have enough to understand the problem. In fact it looks like the problem is what it says: the file isn't there -- on HDFS. That's where you're looking? reopen with more info if you believe it's a problem in Mahout.

> Implementation of ALS -WR.... error caused by log file not found 
> -----------------------------------------------------------------
>
>                 Key: MAHOUT-769
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-769
>             Project: Mahout
>          Issue Type: Bug
>         Environment: Linux 
>            Reporter: pragati meena
>            Assignee: Sebastian Schelter
>              Labels: hadoop, test
>   Original Estimate: 336h
>  Remaining Estimate: 336h
>
> Implementation of ALS -WR..... logs file not found ...but the file is there in the same directory 
> Exception in thread "main" java.lang.IllegalStateException: java.io.FileNotFoundException: File does not exist: /user/hadoop/temp/errors/_logs
> at org.apache.mahout.common.iterator.sequencefile.SequenceFileDirIterator$1.apply(SequenceFileDirIterator.java:73)
> at org.apache.mahout.common.iterator.sequencefile.SequenceFileDirIterator$1.apply(SequenceFileDirIterator.java:67)
> at com.google.common.collect.Iterators$8.next(Iterators.java:730)
> at com.google.common.collect.Iterators$5.hasNext(Iterators.java:508)
> at com.google.common.collect.ForwardingIterator.hasNext(ForwardingIterator.java:40)
> at org.apache.mahout.utils.eval.ParallelFactorizationEvaluator.computeRmse(ParallelFactorizationEvaluator.java:111)

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