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From "Sean Owen (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAHOUT-799) Cannot run SequenceFilesFromCsvFilter, ever
Date Wed, 28 Sep 2011 19:38:45 GMT

     [ https://issues.apache.org/jira/browse/MAHOUT-799?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Owen updated MAHOUT-799:
-----------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)
    
> Cannot run SequenceFilesFromCsvFilter, ever
> -------------------------------------------
>
>                 Key: MAHOUT-799
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-799
>             Project: Mahout
>          Issue Type: Bug
>          Components: Examples
>    Affects Versions: 0.5
>            Reporter: Jack Tanner
>            Assignee: Sean Owen
>             Fix For: 0.6
>
>         Attachments: MAHOUT-799.patch, MAHOUT-799.patch
>
>
> As described here:
> http://mail-archives.apache.org/mod_mbox/mahout-user/201106.mbox/%3C4DED5DCD.6050107@gmail.com%3E
> SequenceFilesFromCsvFilter cannot be invoked with default parameter values, because it
dies like so:
> bin/mahout seqdirectory -i input -o output -filter 
> org.apache.mahout.text.SequenceFilesFromCsvFilter
> ...
> Caused by: java.lang.NumberFormatException: null
>      at java.lang.Integer.parseInt(Integer.java:417)
>      at java.lang.Integer.parseInt(Integer.java:499)
>      at org.apache.mahout.text.SequenceFilesFromCsvFilter.<init>(SequenceFilesFromCsvFilter.java:56)
> If one adds the parameters -kcol 0 -vcol 0 (or their long-form versions), it dies like
so:
> Unexpected -kcol while processing Job-Specific Options
> Commenting out SequenceFilesFromCsvFilter:56 and SequenceFilesFromCsvFilter:57, like
so, allows the run to proceed
> //    this.keyColumn = Integer.parseInt(options.get(KEY_COLUMN_OPTION[0]));
> //    this.valueColumn = Integer.parseInt(options.get(VALUE_COLUMN_OPTION[0]));

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