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how to transform a jsonarray into a string list in Nifi


i have a queryCassandra which generate a json like this one(the number of terms isn't fix):


Now, i want to get from this all the terms values separated by some separator in string format;

ex : term1,term2,term3

So i can pass this list as a string parameter for a java main program which i've alreat set.

(i only need the transformation, not the java program execution) Thank you !


Hello, @brian adi

There is a duplicate question, and I posted an answer there. Thanks.