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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11431) hadoop-hdfs-client JAR does not include ConfiguredFailoverProxyProvider
Date Thu, 23 Mar 2017 23:10:41 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15939401#comment-15939401
] 

Andrew Wang commented on HDFS-11431:
------------------------------------

Hi Kai,

This JIRA (HDFS-11431) adds hadoop-hdfs as a dependency of hadoop-hdfs-client (and thus also
hadoop-client). This pulls all the server JARs back in. It was committed as a quick fix to
get 2.8.0 released.

As you noted, HDFS-11538 is intended as a better long term solution that moves CFPP to hadoop-hdfs-client,
so it no longer needs to pull in the full hadoop-hdfs dependency (the server-side jar).

This also highlights a significant lack of testing of the hdfs client artifact. The hdfs client
split didn't also split the tests, so we have essentially no test coverage for the client
module by itself. It'd be great for HDFS-11538 to include hdfs client unit tests to help address
this.

> hadoop-hdfs-client JAR does not include ConfiguredFailoverProxyProvider
> -----------------------------------------------------------------------
>
>                 Key: HDFS-11431
>                 URL: https://issues.apache.org/jira/browse/HDFS-11431
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: build, hdfs-client
>    Affects Versions: 2.8.0, 3.0.0-alpha3
>            Reporter: Steven Rand
>            Assignee: Steven Rand
>            Priority: Blocker
>              Labels: maven
>             Fix For: 2.8.0
>
>         Attachments: HDFS-11431-branch-2.8.0.001.patch, HDFS-11431-branch-2.8.0.002.patch
>
>
> The {{hadoop-hdfs-client-2.8.0.jar}} file does include the {{ConfiguredFailoverProxyProvider}}
class. This breaks client applications that use this class to communicate with the active
NameNode in an HA deployment of HDFS.



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