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https://issues.apache.org/jira/browse/HBASE-28214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17788756#comment-17788756
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Istvan Toth commented on HBASE-28214:
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Ideally, we would not add redundant hadoop classes to the classpath.
> Document Spark classpath requirements for the Spark connector
> -------------------------------------------------------------
>
> Key: HBASE-28214
> URL: https://issues.apache.org/jira/browse/HBASE-28214
> Project: HBase
> Issue Type: Bug
> Components: spark
> Reporter: Istvan Toth
> Priority: Major
>
> The README for the Spark connector details the classpath requirements for the
> HBase server side, but does not talk about how to set up the Spark classpath
> for HBase.
> The Cloudera docs
> [https://docs.cloudera.com/cdp-private-cloud-base/7.1.9/accessing-hbase/topics/hbase-configure-spark-connector.html]
> suggest using "hbase mapredcp" It is, however inconsistent, as "hbase
> mapredcp" includes the unshaded hadoop libraries, while the example command
> line omits the hadoop libraries (and seem to depend on the on the existing
> Hadoop JARs on the Spark classpath).
> Figure this out, and update the documentation.
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