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https://issues.apache.org/jira/browse/SPARK-35672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17419388#comment-17419388
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Peter Toth commented on SPARK-35672:
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I put up a revert PR: https://github.com/apache/spark/pull/34082
> Spark fails to launch executors with very large user classpath lists on YARN
> ----------------------------------------------------------------------------
>
> Key: SPARK-35672
> URL: https://issues.apache.org/jira/browse/SPARK-35672
> Project: Spark
> Issue Type: Bug
> Components: Spark Core, YARN
> Affects Versions: 3.1.2
> Environment: Linux RHEL7
> Spark 3.1.1
> Reporter: Erik Krogen
> Assignee: Erik Krogen
> Priority: Major
> Fix For: 3.2.0, 3.1.3
>
>
> When running Spark on YARN, the {{user-class-path}} argument to
> {{CoarseGrainedExecutorBackend}} is used to pass a list of user JAR URIs to
> executor processes. The argument is specified once for each JAR, and the URIs
> are fully-qualified, so the paths can be quite long. With large user JAR
> lists (say 1000+), this can result in system-level argument length limits
> being exceeded, typically manifesting as the error message:
> {code}
> /bin/bash: Argument list too long
> {code}
> A [Google
> search|https://www.google.com/search?q=spark%20%22%2Fbin%2Fbash%3A%20argument%20list%20too%20long%22&oq=spark%20%22%2Fbin%2Fbash%3A%20argument%20list%20too%20long%22]
> indicates that this is not a theoretical problem and afflicts real users,
> including ours. This issue was originally observed on Spark 2.3, but has been
> confirmed to exist in the master branch as well.
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