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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2014/09/04 15:17:52 UTC

[jira] [Created] (HADOOP-11061) Make Shell probe for winutils.exe more rigorous

Steve Loughran created HADOOP-11061:
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             Summary: Make Shell probe for winutils.exe more rigorous
                 Key: HADOOP-11061
                 URL: https://issues.apache.org/jira/browse/HADOOP-11061
             Project: Hadoop Common
          Issue Type: Bug
          Components: native
    Affects Versions: 2.5.0
         Environment: windows
            Reporter: Steve Loughran
            Priority: Minor


The probe for winutils.exe being valid is simple: it looks for the file existing.

It could be stricter and catch some (unlikely but possible) failure modes:

# winutils.exe being a directory
# winutils.exe being a 0-byte file
# winutils.exe not being readable
# winutils.exe not having the magic "MZ" header

These tests could all be combined simply by opening the file and validating the header ... all the conditions above would be detected



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