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https://issues.apache.org/jira/browse/OOZIE-2423?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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nirav patel updated OOZIE-2423:
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Affects Version/s: 4.1.0
Component/s: client
> Java/Spark Workflow Action Argument - Optional values
> -----------------------------------------------------
>
> Key: OOZIE-2423
> URL: https://issues.apache.org/jira/browse/OOZIE-2423
> Project: Oozie
> Issue Type: Improvement
> Components: client
> Affects Versions: 4.1.0
> Reporter: nirav patel
>
> Hi,
> Currently in oozie java action or spark action we can use <arg> tag to
> dynamically supply list of argument to oozie action. i.e. You specify
> `<arg>${dynamicAllocation}</arg>` in oozie workflow and on runtime we have to
> set value of 'dynamicAllocation' into oozie client configuration. Currently
> it doesn't except empty space. Well it does but then it fails on runtime with
> `variable [dynamicAllocation] cannot be resolved` . Can we have a way to
> allow empty arguments to pass here? Another option is to allow default under
> workflow.xml itself like <arg>${dynamicAllocation:false}</arg>
>
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