Hi Priyanka,

Could this property option help on your goal: <property require-input="false"> ?


 

    On Friday, June 24, 2016 8:52 AM, priyanka gugale 
<[email protected]> wrote:
 

 Hi,

I am still facing the problem. Here is my updated configuration:

<property>
    <name>datatorrent.config_file.path</name>
    <value></value>
    <description>Full path to existing dt-site.xml file to use for new 
installation. Overrides default and previous dt-site.xml</description>
    <value-attributes>
      <empty-value-valid>true</empty-value-valid>
    </value-attributes>
  </property>

Even after adding this configuration it shows me the config is required.

-Priyanka

On Fri, Jun 24, 2016 at 1:24 PM, priyanka gugale <[email protected]> wrote:

Thanks Alejandro fro response.

-Priyanka

On Thu, Jun 23, 2016 at 9:40 PM, Alejandro Fernandez 
<[email protected]> wrote:

  <property>    <name>foo</name>    <value></value>    
<description>bar</description>    <value-attributes>      
<empty-value-valid>true</empty-value-valid>    </value-attributes>    
<on-ambari-upgrade add="true"/>  </property>
From: priyanka gugale <[email protected]>
Reply-To: "[email protected]" <[email protected]>
Date: Thursday, June 23, 2016 at 6:06 AM
To: "[email protected]" <[email protected]>
Subject: Specify optional service config parameter without default value

Hi,

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: 

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

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

-Priyanka






  

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