Hi @CarlosHS, inorder to perform CURL/REST APi with Nifi, you might need a access token , as per blog : following command will get you the access token curl 'https://nifi-host:port/nifi-api/access/token' -H 'Content-Type: application/x-www-form-urlencoded; charset=UTF-8' --data 'username=ldap-username&password=ldap-password' --compressed —insecure Later this token need to be reused for all operations like : curl -k ’https://nifi-host:port/nifi-api/flow/process-groups/root/status' -H “Authorization: Bearer $token” hope this helps ... View more

@CarlosHS Even when we replace columns in hive text table the data will not be changed i.e wikipedia_link data will be still presented in HDFS file. So when we try to access the table hive reads the data with "," delimited and gives wikipedia_link data in place of keywords column. - Steps to drop wikipedia_link column with data: hive> set hive.support.quoted.identifiers=none; hive> create table countries_temp row format delimited fields terminated by ',' stored as textfile as select `(wikipedia_link)?+.+` from countries; //create temp table with out wikipedia_link columnhive> drop table countries; //drop countries table hive> alter table countries_temp rename to countries; //rename temp table to countries. (or) Another way would be creating a view without wikipedia_link column. hive> create view vw_countries as select id,code,name,continent,keywords from countries; then accessing data from view instead of countries table. ... View more