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Posted to common-issues@hadoop.apache.org by "Andrew Wang (JIRA)" <ji...@apache.org> on 2017/04/05 23:58:41 UTC

[jira] [Created] (HADOOP-14284) Shade Guava everywhere

Andrew Wang created HADOOP-14284:
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             Summary: Shade Guava everywhere
                 Key: HADOOP-14284
                 URL: https://issues.apache.org/jira/browse/HADOOP-14284
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 3.0.0-alpha3
            Reporter: Andrew Wang
            Priority: Blocker


HADOOP-10101 upgraded the guava version for 3.x to 21.

Guava is broadly used by Java projects that consume our artifacts. Unfortunately, these projects also consume our private artifacts like {{hadoop-hdfs}}. They also are unlikely on the new shaded client introduced by HADOOP-11804, currently only available in 3.0.0-alpha2.

We should shade Guava everywhere to proactively avoid breaking downstreams. This isn't a requirement for all dependency upgrades, but it's necessary for known-bad dependencies like Guava.



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