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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3753) Tests don't run with native libraries
Date Wed, 03 Oct 2012 17:00:08 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13468667#comment-13468667
] 

Eli Collins commented on HDFS-3753:
-----------------------------------

Looks like TestNativeCodeLoader is failing because it can't find libhadoop, because the common
native build was not run. I've updated the HDFS pre commit job to build the common native
bits first.

The reason we didn't catch this here is that the Pre Commit job doesn't pick up on the test-patch.sh
changes from the uploaded patch, I filed HADOOP-8875 for that.
                
> Tests don't run with native libraries
> -------------------------------------
>
>                 Key: HDFS-3753
>                 URL: https://issues.apache.org/jira/browse/HDFS-3753
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: build, test
>    Affects Versions: 2.0.0-alpha
>            Reporter: Eli Collins
>            Assignee: Colin Patrick McCabe
>             Fix For: 2.0.3-alpha
>
>         Attachments: HDFS-3753.001.patch, HDFS-3753.002.patch
>
>
> Test execution when run with the native flag and native libraries have been built don't
actually use the native libs because NativeCodeLoader is unable to load native-hadoop. Eg
run {{mvn compile -Pnative}} then {{mvn -Dtest=TestSeekBug test -Pnative}} and check the test
output. This is because the test's java.library.path is looking for the lib in hdfs (
> hadoop-hdfs-project/hadoop-hdfs/target/native/target/usr/local/lib) however the native
lib lives in common. I confirmed copying the lib to the appropriate directory fixes things.
We need to update the java.library.path for test execution to include the common lib dir.
 This may be an issue with MR as well.

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