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Date: Tue, 11 Oct 2016 20:43:20 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Message-ID: <JIRA.13009690.1475614410000.797207.1476218600818@Atlassian.JIRA>
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Subject: [jira] [Commented] (HADOOP-13684) Snappy may complain Hadoop is
 built without snappy if libhadoop is not found.
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archived-at: Tue, 11 Oct 2016 20:43:24 -0000


    [ https://issues.apache.org/jira/browse/HADOOP-13684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15566540#comment-15566540 ] 

Hudson commented on HADOOP-13684:
---------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10588 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/10588/])
HADOOP-13684. Snappy may complain Hadoop is built without snappy if (weichiu: rev 4b32b1420d98ea23460d05ae94f2698109b3d6f7)
* (edit) hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/compress/SnappyCodec.java


> Snappy may complain Hadoop is built without snappy if libhadoop is not found.
> -----------------------------------------------------------------------------
>
>                 Key: HADOOP-13684
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13684
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Wei-Chiu Chuang
>            Assignee: Wei-Chiu Chuang
>            Priority: Minor
>              Labels: supportability
>             Fix For: 2.8.0, 3.0.0-alpha2
>
>         Attachments: HADOOP-13684.001.patch, HADOOP-13684.002.patch
>
>
> If for some reason libhadoop can not be found/loaded, Snappy complains Hadoop is not built with Snappy but it actually is.
> {code:title=SnappyCodec.java}
> public static void checkNativeCodeLoaded() {
>       if (!NativeCodeLoader.isNativeCodeLoaded() ||
>           !NativeCodeLoader.buildSupportsSnappy()) {
>         throw new RuntimeException("native snappy library not available: " +
>             "this version of libhadoop was built without " +
>             "snappy support.");
>       }
> {code}
> This case may happen with MAPREDUCE-6577.


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