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https://issues.apache.org/jira/browse/HDFS-11431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15928093#comment-15928093
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Steve Loughran commented on HDFS-11431:
---------------------------------------

This is the diff between 2.8.0 with and without the patch

Essentially: it does pull in stuff, but that's all duplicate. Curious about why 
I'm seeing version updates of jackson 1.9 and log4j, but that's unrelated to 
this patch as it's happening in hadoop-hdfs.

{code}
< [INFO] +- org.apache.hadoop:hadoop-hdfs:jar:2.8.0:compile
< [INFO] |  +- org.apache.hadoop:hadoop-hdfs-client:jar:2.8.0:compile
< [INFO] |  |  \- com.squareup.okhttp:okhttp:jar:2.4.0:compile
< [INFO] |  |     \- com.squareup.okio:okio:jar:1.4.0:compile
< [INFO] |  +- (com.google.guava:guava:jar:11.0.2:compile - version managed 
from 16.0.1; omitted for duplicate)
< [INFO] |  +- (commons-cli:commons-cli:jar:1.2:compile - omitted for duplicate)
< [INFO] |  +- (commons-codec:commons-codec:jar:1.4:compile - version managed 
from 1.9; omitted for duplicate)
< [INFO] |  +- (commons-io:commons-io:jar:2.4:compile - omitted for duplicate)
< [INFO] |  +- (commons-lang:commons-lang:jar:2.6:compile - version managed 
from 2.4; omitted for duplicate)
< [INFO] |  +- (commons-logging:commons-logging:jar:1.1.3:compile - version 
managed from 1.1.1; omitted for duplicate)
< [INFO] |  +- (log4j:log4j:jar:1.2.17:compile - version managed from 1.2.16; 
omitted for duplicate)
< [INFO] |  +- (com.google.protobuf:protobuf-java:jar:2.5.0:compile - omitted 
for duplicate)
< [INFO] |  +- (org.codehaus.jackson:jackson-core-asl:jar:1.9.13:compile - 
version managed from 1.8.8; omitted for duplicate)
< [INFO] |  +- (org.codehaus.jackson:jackson-mapper-asl:jar:1.9.13:compile - 
version managed from 1.8.8; omitted for duplicate)
< [INFO] |  +- (xmlenc:xmlenc:jar:0.52:compile - omitted for duplicate)
< [INFO] |  \- (org.apache.htrace:htrace-core4:jar:4.0.1-incubating:compile - 
omitted for duplicate)
---
> [INFO] +- org.apache.hadoop:hadoop-hdfs-client:jar:2.8.0:compile
> [INFO] |  \- com.squareup.okhttp:okhttp:jar:2.4.0:compile
> [INFO] |     \- com.squareup.okio:okio:jar:1.4.0:compile
{code}

> 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
>            Priority: Blocker
>              Labels: maven
>         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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