I have one GenerateFlowfile which should generate flowfiles with parameters like : startDate,endDate and param, then i want to invoke three online webservice, but i want to invoke services one after another i mean i don't wnat to start second service if nifi hasn't ended data processing from previous one.How can i manage this in nifi? ... View more

I want to read some file (which are put in hdfs directory) and i want to use ListHdfs processor for it , there are several questions i am interested in: when i start listHdfs procesoor it will capture all files from directory and if i change it's state then( i mean i stop the processor) and then start it it again it willl take only those files whcih were put in dircetory recentrly or all files which are in directory? ... View more

I want to parse json response in nifi processor I have json data like this ,I have already used this expression inside evaluatejsonpath processor : $.Data['row'] and thanks to it i got row data then i have used another expression inside replacetext processor: [] to get rid of this '[]' but i can't replace ',' with new line how can i do this? {"squadName":"Super hero squad","homeTown":"Metro City","formed":2016,"secretBase":"Super tower","active":true,"Data":{"row":[{"name":"Molecule Man","age":29,"secretIdentity":"Dan Jukes","powers":["Radiation resistance","Turning tiny","Radiation blast"]},{"name":"Madame Uppercut","age":39,"secretIdentity":"Jane Wilson","powers":["Million tonne punch","Damage resistance","Superhuman reflexes"]},{"name":"Eternal Flame","age":1000000,"secretIdentity":"Unknown","powers":["Immortality","Heat Immunity","Inferno","Teleportation","Interdimensional travel"]}]} and i want totransform it into this format: <code>{"name":"Molecule Man","age":29,"secretIdentity":"Dan Jukes","powers":["Radiation resistance","Turning tiny","Radiation blast"]}{name": "MoleculeMan", "age": 29, "secretIdentity": "DanJukes", "powers": ["Radiation resistance", "Turning tiny", "Radiation blast"]} {"name": "MoleculeMan", "age": 29, "secretIdentity": "DanJukes", "powers": ["Radiation resistance", "Turning tiny", "Radiation blast"]} ... View more