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From priyanka gugale <>
Subject Specify optional service config parameter without default value
Date Thu, 23 Jun 2016 13:06:07 GMT

I would like to specify couple of service parameters which are optional and
don't have a default value.

I have specified my parameter in following way in config file:

    <description>Full path to existing dt-site.xml file to use for new
installation. Overrides default and previous dt-site.xml</description>

Ambari doesn't allow the blank config value. Please check attached
Is there any xml tag in property which will allow me to skip optional


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