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https://issues.apache.org/jira/browse/AURORA-1962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16290228#comment-16290228
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Bill Farner commented on AURORA-1962:
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We can solve this application side with a custom value for
{{@Parameter(splitter=)}}.
I've also sent a PR to jcommander https://github.com/cbeust/jcommander/pull/422
> Incorrect parsing of empty strings into list command line options
> -----------------------------------------------------------------
>
> Key: AURORA-1962
> URL: https://issues.apache.org/jira/browse/AURORA-1962
> Project: Aurora
> Issue Type: Bug
> Components: Scheduler
> Affects Versions: 0.19.0
> Reporter: Bill Farner
>
> When the scheduler parses a command line option like
> {{-thermos_executor_resources=}}, which maps to {{List<String>}}, the result
> is equivalent to {{[""]}} (list of size 1 containing an empty string), while
> we would expect {{[]}} (an empty list).
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