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05-29-2019
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09-07-2021
05:07 AM
Is there a possibility to defined somewhere a trigger that gets executed when a ProcessGroup starts? My use case is this: Someone creates a copy of an existing ProcessGroup in the Nifi workspace When the ProcessGroup starts some administrative tasks are started that setup the ProcessGroup E.g. create required database E.g. created required directories Any ProcessGroup initialization
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Apache NiFi
09-30-2019
12:30 AM
In my case the cause seemed to be a trivial misconfiguration in the nifi.provenance.repository settings which deleted provenance information...
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06-17-2019
08:06 AM
Hi, no I didn't find the cause of this. But, I'm glad that I am not the only one now with this issue. I'll try to investigate further.
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06-04-2019
12:33 PM
On my 1.9.2 standalone installation data provenance is working correctly for a few days then after some inactivity on the server all the data provenance in all individual processors and in the general reporting stays empty, even when I send new data through all the processors. When opening a data provenance menu I see a very short popup menu appearing, but it closes for me too fast to see what is going on. On disk I still have 145GB available. The problem goes away when I restart the Nifi instance, and pops up again after a few days.
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Apache NiFi
06-03-2019
07:07 AM
Thanks, I was hoping for an easy trick because I needed many of these calculations. Maybe I need to write a custom processor for this.
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05-29-2019
02:14 PM
In my flow file I have JSON content which contains an array. How can I extract the size of that array into an attribute (e.g. my.array.size = 5)?
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Apache NiFi