@MattWho   I have found the solution for that. The error was because of the semicolon in the CSV file. I have changed it to comma ","because in my configrations the seprator value was comma not semicolon before: name;age;email john doe;56;u@gmail.com hamed;25;fff@gmail.com arjun;55;ru@gmail.com ali;21;ffuty@gmail.com saleh;16;djh@gmail.com After: name,age,email john doe,56,u@gmail.com hamed,25,fff@gmail.com arjun,55,ru@gmail.com ali,21,ffuty@gmail.com saleh,16,djh@gmail.com ... View more

@Runa27  management.server.address -- defines HTTP URL on which NiFi listens for management requests. Doc Ref : https://nifi.apache.org/nifi-docs/administration-guide.html Please try setting below property as part of " bootstrap.conf " and then start the Nifi service. java.arg.mng12=-Dorg.apache.nifi.management.server.address=127.0.0.1:<port-number> Please check if the port-number <for example: 9990> is not defined and replace the same in the property  Please help our community grow. If you found any of the suggestions/solutions provided helped you with solving your issue or answering your question, please take a moment to login and click "Accept as Solution" on one or more of them that helped. ThankYou, Hari ... View more