Github user vanzin commented on the issue: https://github.com/apache/spark/pull/12753 Hmmm... wouldn't this be a one line change (for standalone and mesos) if instead you modified `CommandUtils.buildLocalCommand` to apply variable substitution to `command.javaOpts` instead of just to `command.arguments`? That would replace `{{EXECUTOR_ID}}` in any of the arguments, since that variable is already in the list of things to replace (see `ExecutorRunner.substituteVariables`.) You'd still need some extra code for YARN since it doesn't use that path. But it would be a smaller change that re-uses existing functionality.
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