InvokeScriptedProcessor - Can't get sensitive context parameter value from sensitive properties

[#1]

Hi everyone,

I have a issue on Nifi 1.15.3 InvokeScriptedProcessor (Groovy), I set a custom property in sensitive in my processor, put for value a context parameter which is sensitive too, but when i'm trying to context.getProperty, it return the expression #{blahblah} instead of the value.
This problem is "new", the flow was working, and one day, the token from sensitive value was not evaluated anymore...

My property declaration :

def externalRequestTokenDescriptor = new PropertyDescriptor.Builder().name("External request token")

        .description("External request token")

        .required(true)

        .sensitive(true)

        .addValidator(Validator.VALID)

        .expressionLanguageSupported(true)

        .build();

Context param setup : 

Sensitive property setup : 

How i get the property :

context.getProperty("External request token").getValue();

(Add .evaluateAttributeExpressions(flowFile) do nothing)

And when i want to use (or put in attribute for debug only) the value, it's not "Bonjour", but #{env.genm006.api.externalRequestToken}, not evaluated.

It's not the first time I have trouble with sensitive property (It block reboot of Nifi 1.12 for example) but right now I'm stuck...

Thanks by advance

[#2]

Should look more like this:

context.getProperty(externalRequestTokenDescriptor).evaluateAttributeExpressions().getValue()

[#3 · Accepted solution]

I also had the same problem I got it to working temporarily with something like this ${literal('#'):append('{blahblah}'):evaluateELString()} however it wont be supported from 1.19 onwards Refer: https://community.cloudera.com/t5/Support-Questions/Dynamically-references-parameters-from-parameter...