@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 cannot share states between processor, each processor has it's own state. ... View more

I am also facing the same issue of not able to update mongo records using exiting _id . I just need to update 2-3 fields in existing mongo document ... View more

Hi @Julio Gazeta please take a look at this code sample using-counters-in-apache-nifi " The best way to define and update counters is to use ExecuteScript processor with the following piece of Groovy code: " ... View more

You have to set the attribute "mime.type" to "application/json" with for example the UpdateAttribute-Processor. [Image] You have to use EvaluateJSONPath-Processor to format it correct. [Image] You have to configure the EvaluateJSONPath-Processor and add it a attribute. The name is of the attribute doesnt care. As value you set "$". So it will use the whole Flowfile and will format it correctly. [Image] ... View more

@Julio Gazeta Weird, i'm able to get the state value if i keep store state locally. Regards to GetMongo processor the flowfile attributes issue got resolved in NiFi-1.8 NIFI-5334 addressing this issue. As a word around to get required attribute refer to this link. ... View more

@Julio Gazeta I don't think NiFi won't store the reference once we clear off the states in the processor. In your "d:\\tmp\\input" directory have only one file then clear off all states in ListFile processor then 1.start the processor once and then stop the processor and 2.start the ListFile processor again then you are going to list the file from the directory. - If the Answer helped to resolve your issue, Click on Accept button below to accept the answer, That would be great help to Community users to find solution quickly for these kind of issues. ... View more

@Julio Gazeta I think this thread also having same issue hitting max back pressure on the queue. Same fix as described here: https://community.hortonworks.com/questions/227489/apache-nifi-distribution-trouble-in-cluster-spark.html will be applicable for this thread also. ... View more