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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14284) Shade Guava everywhere
Date Mon, 08 May 2017 21:23:04 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16001566#comment-16001566
] 

stack commented on HADOOP-14284:
--------------------------------

bq. ...get rid of it....

This doesn't seem right either mighty [~djp]. Guava is a high quality lib. It is well tested
with a particular attention paid to perf. I'd think we'd want to double-down on libs of this
type rather than move to purge it. Would netty/protobuf/etc. be next in line sir?

[~ozawa] Have you brought up the project in an IDE with your patch applied? My expectation
is that there will reams of complaint that the relocated guava can't be found.... 

> Shade Guava everywhere
> ----------------------
>
>                 Key: HADOOP-14284
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14284
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 3.0.0-alpha3
>            Reporter: Andrew Wang
>            Assignee: Tsuyoshi Ozawa
>            Priority: Blocker
>         Attachments: HADOOP-14238.pre001.patch, HADOOP-14284.002.patch, HADOOP-14284.004.patch,
HADOOP-14284.007.patch, HADOOP-14284.010.patch, HADOOP-14284.012.patch
>
>
> 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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