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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9290) Some tests cannot load native library
Date Wed, 24 Apr 2013 05:27:17 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13640105#comment-13640105
] 

Arpit Agarwal commented on HADOOP-9290:
---------------------------------------

Chris,

I verified MR tests that could not load hadoop.dll can do so now after the fix. e.g. TestJobImpl.

Would you consider adding a one-line comment to hadoop-project/pom.xml explaining why the
definition of hadoop.common.build.dir has the /../../? And the fact that it must be overridden
for projects with different levels of nesting.

{code}
+     <hadoop.common.build.dir>${basedir}/../../hadoop-common-project/hadoop-common/target</hadoop.common.build.dir>
{code}

+1 otherwise. There is no clean way to fix it and this approach is the best option I can think
of.
                
> Some tests cannot load native library
> -------------------------------------
>
>                 Key: HADOOP-9290
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9290
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: build, native
>    Affects Versions: 3.0.0
>            Reporter: Arpit Agarwal
>            Assignee: Chris Nauroth
>         Attachments: HADOOP-9290.2.patch, HADOOP-9290.patch
>
>
> Some tests are unable to load the native DLL on Windows. The culprit appears to be an
incorrect PATH configuration for the native-win profile in hadoop-project/pom.xml.
> {code:xml}
>     <profile>
>       <id>native-win</id>
>       <activation>
>         <os>
>           <family>Windows</family>
>         </os>
>       </activation>
>       <build>
>         <plugins>
>           <plugin>
>             <groupId>org.apache.maven.plugins</groupId>
>             <artifactId>maven-surefire-plugin</artifactId>
>             <configuration>
>               <environmentVariables>
>                 <!-- Specify where to look for the native DLL on Windows -->
>                 <PATH>${env.PATH};${basedir}\..\..\hadoop-common-project\hadoop-common\target\bin;</PATH>
>               </environmentVariables>
>             </configuration>
>           </plugin>
>         </plugins>
>       </build>
>     </profile>
> {code}
> This is evaluated independently by each project and the relative path is not always correct.

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