Thank you. I will look into that. ... View more

@Pierre Villard Hi, as you suggested above, i got the content of the Hive table using FetchHDFS processor and sending the flowfile to a custom processor which needs to transform the flowfile content into a String listing of usernames. I am stuck here, how to loop thru the content of flowfile to fetch column1, column 3 eg SARAH ABDELSAYED) into a string listing for screen_name. I am using flowFile.getAttributes(), but could not see the log statements for the map. How to loop the content of flowfile to fetch specific columns. Thank you. My example flowfile content is attached.screenshot-7.png ... View more

Thanks. it worked. ... View more

Restarted the sandbox, and finally got rid of the service from ambari! ... View more

Hi, I am getting this error: HTTP/1.1 500 Internal Server Error. I tried to stop all the components and service but i am unable to remove the service from sandbox cluster. NIFI_MASTER is in a non-removable state, and it throws system exception saying that :could not delete component from cluster. Any help is appreciated. ... View more

@Pierre Villard, Thanks. I am still running the older version 0.3.0-snapshot. As per link sent by Ali Bajwa i will try to remove the existing Nifi service and add the new one 0.6.0. ... View more

Hi, How can i check if it is the latest version or not. After i execute the above instructions and i restarted ambari, the nifi configs still shows the same version number nifi.version=0.3.0-SNAPSHOT. And in my Nifi HDF, i cant see the latest executescript processors. Please let me know. ... View more

@Ali BajwaThank you. I already have the Nifi deployed in Ambari. Please find attached. I need to update it to nifi 0.6.0. How can i upgrade the version. ... View more

@Pierre Villard, i have a requirement, that i need to dynamically populate the screen_name in the url https://api.twitter.com/1.1/users/lookup.json?screen_name=twitterapi,twitter with the values from the hive table. Can you suggest me how can i implement with Nifi? Thanks. ... View more