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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-10094) NPE in GenericOptionsParser#preProcessForWindows()
Date Thu, 14 Nov 2013 17:53:20 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-10094?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Nauroth updated HADOOP-10094:
-----------------------------------

          Resolution: Fixed
       Fix Version/s: 2.3.0
                      1-win
                      3.0.0
    Target Version/s: 3.0.0, 1-win, 2.3.0  (was: 3.0.0, 1-win, 2.2.1)
              Status: Resolved  (was: Patch Available)

I've committed this to trunk, branch-2, and branch-1-win.  Enis, thanks for contributing this
bug fix.

{quote}
-1 core tests. The patch failed these unit tests in hadoop-common-project/hadoop-common:
org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl
{quote}

This is spurious.  This test has been unpredictable lately, and this patch doesn't touch anything
related to metrics.

> NPE in GenericOptionsParser#preProcessForWindows()
> --------------------------------------------------
>
>                 Key: HADOOP-10094
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10094
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>    Affects Versions: 3.0.0, 1-win, 2.2.0
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>            Priority: Trivial
>             Fix For: 3.0.0, 1-win, 2.3.0
>
>         Attachments: hadoop-10094-branch-1-win_v2.patch, hadoop-10094_v2.patch, hbase-10094_v1.patch
>
>
> main() in java guarantees that args is not null, but on some uses of Tool interface from
java, people seem to pass around null as args, causing a NPE in GenericOptionsParser. 
> Although, passing null is not recommended, we can do a trivial fix. 



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