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https://issues.apache.org/jira/browse/HADOOP-10101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15927331#comment-15927331
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Tsuyoshi Ozawa commented on HADOOP-10101:
-----------------------------------------

After working to update Curator for a while, I found that Curator 3.x only 
supports ZooKeeper 3.5.x. On HADOOP-14187, avoiding the drastic 
change(YARN-3774) now, I would like to suggest updating ZooKeeper dependency to 
3.4.9 and Curator dependency to 2.12.0, which supports ZooKeeper 3.4.x. It's 
because our current focus here is to update Guava - the blocker of this issue 
is to introduce Curator which includes shaded Guava. 

I tested with v13 patch on HADOOP-14187 on my local:

{code}
mvn install test 
-Dtest=TestZKDelegationTokenSecretManager,TestChildReaper,TestKDiag,TestDelegationTokenRenewer,TestSubmitApplicationWithRMHA,TestLeaderElectorService,TestRMHAForNodeLabels,TestZKRMStateStorePerf,TestKillApplicationWithRMHA,TestRMStoreCommands,TestZKRMStateStore,TestRMRestart,TestZKRMStateStoreZKClientConnections,TestReservationSystemWithRMHA
{code}

All test passes on my local basically, but not ZK-related. The reason seems to 
be YARN-5548.

> 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: 3.0.0-alpha2
>            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-10101.012.patch, HADOOP-10101.013.patch, HADOOP-10101.patch, 
> HADOOP-10101.patch
>
>
> The existing guava version is 11.0.2 which is quite old. This 



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