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https://issues.apache.org/jira/browse/SPARK-5834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-5834.
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Resolution: Not a Problem
Spark doesn't actually use HttpClient at all; its dependencies do. You're
looking at a dependency update specific to the Kinesis ASL build, which is not
enabled in the build you downloaded.
You would not depend on Spark's copy of this lib anyway. You depend on the
version you need.
> spark 1.2.1 officical package bundled with httpclient 4.1.2 is too old
> ----------------------------------------------------------------------
>
> Key: SPARK-5834
> URL: https://issues.apache.org/jira/browse/SPARK-5834
> Project: Spark
> Issue Type: Improvement
> Components: Deploy
> Affects Versions: 1.2.1
> Reporter: Littlestar
> Priority: Minor
>
> I see
> spark-1.2.1-bin-hadoop2.4.tgz\spark-1.2.1-bin-hadoop2.4\lib\spark-assembly-1.2.1-hadoop2.4.0.jar\org\apache\http\version.properties
> It indicates that officical package only use httpclient 4.1.2.
> some spark module requires httpclient 4.2 and above.
> https://github.com/apache/spark/pull/2489/files (
> <commons.httpclient.version>4.2</commons.httpclient.version>)
> https://github.com/apache/spark/pull/2535/files
> (<commons.httpclient.version>4.2.6</commons.httpclient.version>)
> I think httpclient 4.1.2 is too old, standard distribution may conflict with
> other "httpclient required" user app.
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