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https://issues.apache.org/jira/browse/SPARK-26633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16743693#comment-16743693
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Apache Spark commented on SPARK-26633:
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User 'rednaxelafx' has created a pull request for this issue:
https://github.com/apache/spark/pull/23558
> Add ExecutorClassLoader.getResourceAsStream
> -------------------------------------------
>
> Key: SPARK-26633
> URL: https://issues.apache.org/jira/browse/SPARK-26633
> Project: Spark
> Issue Type: Improvement
> Components: Spark Shell
> Affects Versions: 3.0.0
> Reporter: Kris Mok
> Priority: Major
>
> {{ExecutorClassLoader}} is capable of loading dynamically generated classes
> from the REPL via either RPC or HDFS, but right now it always delegates
> resource loading to the parent class loader. That makes the dynamically
> generated classes unavailable to uses other than class loading.
> Such need may arise, for example, when json4s wants to parse the Class file
> to extract parameter name information. Internally it'd call the class
> loader's {{getResourceAsStream}} to obtain the Class file content as an
> {{InputStream}}.
> This ticket tracks an improvement to the {{ExecutorClassLoader}} to allow
> fetching dynamically generated Class files from the REPL as resource streams.
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