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https://issues.apache.org/jira/browse/SPARK-20059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15942960#comment-15942960
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Sean Owen commented on SPARK-20059:
-----------------------------------
Is this actually the same issue as SPARK-20019 or SPARK-11421?
> HbaseCredentialProvider uses wrong classloader
> ----------------------------------------------
>
> Key: SPARK-20059
> URL: https://issues.apache.org/jira/browse/SPARK-20059
> Project: Spark
> Issue Type: Bug
> Components: YARN
> Affects Versions: 2.1.0, 2.2.0
> Reporter: Saisai Shao
>
> {{HBaseCredentialProvider}} uses system classloader instead of child
> classloader, which will make HBase jars specified with {{--jars}} fail to
> work, so here we should use the right class loader.
> Besides in yarn client mode jars specified with {{--jars}} is not added into
> client's class path, which will make it fail to load HBase jars and issue
> tokens in our scenario. Also some customized credential provider cannot be
> registered into client.
> So here I will fix this two issues.
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