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https://issues.apache.org/jira/browse/SPARK-5377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14293186#comment-14293186
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Jongyoul Lee commented on SPARK-5377:
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It's really needed. When we use HiveContext and run sql, {{--driver-class-path
mysql-connector-jar.jar}} works fine but {{--jars mysql-connector-java.jar}}
occurs error.
> Dynamically add jar into Spark Driver's classpath.
> --------------------------------------------------
>
> Key: SPARK-5377
> URL: https://issues.apache.org/jira/browse/SPARK-5377
> Project: Spark
> Issue Type: Improvement
> Affects Versions: 1.2.0
> Reporter: Chengxiang Li
>
> Spark support dynamically add jar to executor classpath through
> SparkContext::addJar(), while it does not support dynamically add jar into
> driver classpath. In most case(if not all the case), user dynamically add jar
> with SparkContext::addJar() because some classes from the jar would be
> referred in upcoming Spark job, which means the classes need to be loaded in
> Spark driver side either,e.g during serialization. I think it make sense to
> add an API to add jar into driver classpath, or just make it available in
> SparkContext::addJar(). HIVE-9410 is a real case from Hive on Spark.
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