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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HADOOP-13684) Snappy may complain Hadoop is built without snappy if libhadoop is not found.
Date Wed, 05 Oct 2016 17:14:20 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wei-Chiu Chuang reassigned HADOOP-13684:
----------------------------------------

    Assignee: Wei-Chiu Chuang

> 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
>
> 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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