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https://issues.apache.org/jira/browse/APEXCORE-483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15369851#comment-15369851
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Thomas Weise commented on APEXCORE-483:
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If Apex has a newer version, then this version should be first in the classpath
(similar to jackson). Where exactly does the problem occur?
> Dependency to httpclient version 4.3.5 causing problem with newer versions of
> Hadoop
> ------------------------------------------------------------------------------------
>
> Key: APEXCORE-483
> URL: https://issues.apache.org/jira/browse/APEXCORE-483
> Project: Apache Apex Core
> Issue Type: Bug
> Reporter: Pramod Immaneni
> Assignee: Pramod Immaneni
>
> Engine uses artifact org.apache.httpcomponents:httpclient:4.3.5 for kerberos
> SPNEGO related functionality. This artifact does not appear as a transitive
> dependency anywhere in the dependency tree including dependencies of hadoop
> 2.2.0, the hadoop version we build against. However newer versions of hadoop
> are including an earlier version of the above artifact version 4.2.5 in the
> classpath that does not have the necessary functionality. This results in
> multiple versions of the artifact to getting included in the classpath at
> runtime causing runtime exceptions.
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