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https://issues.apache.org/jira/browse/HADOOP-10101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15924069#comment-15924069
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Tsuyoshi Ozawa commented on HADOOP-10101:
-----------------------------------------
I would like to resume working on this jira, based on shading approach as
Nicholas and Hitesh mentioned. Please give me to try for a few days.
{quote}
why version 18 and not 19? Guava 19 was released in 2015 or so
{quote}
It's because Guava 19 had more incompatible change. Now, 21.0, which requires
JDK-8 or upper, has been released. I would like to create a patch to update
Guava's version to 21.0, targeting branch-3.
{quote}
have you confirmed that no deprecated and/or beta apis are being used?
{quote}
Not yet.
{quote}
I believe there are some places where guava objects are being used in public
facing APIs. This might not be something to address in this jira but should
definitely be looked at as a blocker before the next release in addition to my
initial comment.
{quote}
Yeah, let's do this on another jira. I think we should create this wrapper
class instead of exposing Guava's objects directly.
{quote}
I did try a quick prototype approach on branch-2 and it seems to function
without directly pulling in guava ( except of course - the curator guava
dependency problem )
{quote}
Curator have also shared Guava. If we can move the version to up to date
version, we can avoid the problem.
> Update guava dependency to the latest version
> ---------------------------------------------
>
> Key: HADOOP-10101
> URL: https://issues.apache.org/jira/browse/HADOOP-10101
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 2.2.0, 2.6.0
> Reporter: Rakesh R
> Assignee: Tsuyoshi Ozawa
> Labels: BB2015-05-TBR
> Attachments: HADOOP-10101-002.patch, HADOOP-10101-004.patch,
> HADOOP-10101-005.patch, HADOOP-10101-006.patch, HADOOP-10101-007.patch,
> HADOOP-10101-008.patch, HADOOP-10101-009.patch, HADOOP-10101-009.patch,
> HADOOP-10101-010.patch, HADOOP-10101-010.patch, HADOOP-10101-011.patch,
> HADOOP-10101.patch, HADOOP-10101.patch
>
>
> The existing guava version is 11.0.2 which is quite old. This
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