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From Bryan Bende <>
Subject Re: Referencing a property from into a processor.
Date Thu, 19 Apr 2018 13:19:46 GMT
You can also set system properties in bootstrap.conf, this was the
primary way of setting up variables before either of the variable
registries existed.


On Thu, Apr 19, 2018 at 8:41 AM, Matt Burgess <> wrote:
> If you are using a version of NiFi that has ExecuteScript, you could
> write a script that reads in the properties from that file and create
> flow file attributes from them, then for downstream processors that
> accept incoming flow files and evaluate Expression Language against
> them, you'll be able to refer to those "properties" in the expression.
> Regards,
> Matt
> On Thu, Apr 19, 2018 at 4:54 AM, saloni udani <> wrote:
>> Hi
>> There are two ways to use and manage custom properties in NiFi:
>>  -In the NiFi UI via the Variables window
>>  -Referencing custom properties via ''
>> But I am using older version of NiFi which doesn't have variable registry
>> support.So is it possible to refer to the properties from
>> directly (without setting in the
>> processor property which supports expression language?
>> E.g If I want to use 'nifi.cluster.node.address' from as a
>> value to a processor’s property ${nifi.cluster.node.address}
>> Thank you

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