@rajatgl17 as this is an older post, you would have a better chance of receiving a resolution by starting a new thread. This will also be an opportunity to provide details specific to your environment that could aid others in assisting you with a more accurate answer to your question. You can link this thread as a reference in your new post. ... View more

You are using an array, this is why you got null values. You have 2 options: Change the expressions to $[0].ARRIVAL_DATE and $[0].BOOK_ID, and it will work Read the file and split the array using the SplitJson processor - set JsonPath expression to: $, and connect the SplitJson processor to your EvaluateJsonPath processor and it should work. ... View more

step1 : remove the authorization.xml from all the nodes rm /var/lib/nifi/conf/authorizations.xml step2 : update node identities in advanced_nifi_ambari_ssl_configuration section with <property name="Node Identity 1">CN=hostname1, OU=XXXXX</property> ... for all the nodes (make sure you remove comment tags in XML). step3 : restart the NiFi service found that authorizations.xml is not being update after first generation, hence this is causing the problem. ... View more