apache-nifi Questions
2
For every processor there is a way to configure the processor and there is a context menu to view data provenance.
Is there a good explanation of what is data provenance?
Anesthesia asked 15/8, 2016 at 2:20
2
Solved
I'm trying to get my head around on extracting attributes from Avro and JSON. I'm able to extract attributes from JSON by using EvaluateJsonPath processor. I'm trying to do the same on Avro, but i'...
Klystron asked 27/2, 2017 at 22:7
6
Solved
Is there is a way in NiFi to use a processor such as "PutFile" and have it write to one single file (append data to this file, or over-write the data in this file) - rather than create mu...
Ticket asked 30/5, 2016 at 16:24
2
Solved
I am attempting to upgrade to Apache NiFi from 1.9.2 to 1.12.1 and no matter how I tweak the properties file, I keep getting errors about TLS. I was running just fine before the upgrade. I was able...
Delocalize asked 26/12, 2020 at 22:16
3
Solved
After rebooting the server, NiFi does not start. Before the server reboot, I was able to shutdown/start NiFi without any issues.
I ensured that the 3 config files (flow.xml.gz, authorizations.xml...
Thicken asked 8/12, 2019 at 16:22
4
Solved
How can I create new flows using Apache Nifi. Is there only one flow?
Also what about authentication? Can different users have different flows?
Mountaintop asked 30/6, 2016 at 10:13
3
Solved
Is there any option to write an attribute of a flow file as a content without using the AttributesToJSON processor?
Cordeelia asked 19/7, 2019 at 14:59
4
Solved
I'm running an Apache NiFi instance using Docker at my workplace with a proxy in place. I pulled the official container down, spun up the container and set it to port over to 8081 instead of 8080 a...
Principalities asked 13/2, 2018 at 16:49
4
Solved
I'm looking into ETL tools (like Talend) and investigating whether Apache Nifi could be used. Could Nifi be used to perform the following:
Pick up two CSV files that are placed on local disk
Join ...
Frulla asked 20/3, 2017 at 16:22
3
Solved
I tried to create a custom controller service by using this guide. It is worked perfectly in nifi 1.9.2 version. But when I try with NIFI 1.11.3 version, I'm getting the following issue. I googled ...
Ansermet asked 13/3, 2020 at 12:19
2
Solved
I am trying to connect to a REST endpoint via the GetHTTP Processor in NiFi 1.5.0.
The problem that I am faceing is, that the SSL certificate is issued to the domain but I only have direct access t...
Floriculture asked 4/5, 2018 at 7:14
2
I have a spark code which saves a dataframe to a HDFS location (date partitioned location) in Json format using append mode.
df.write.mode("append").format('json').save(hdfsPath)
sample hdfs locat...
Detrimental asked 3/9, 2019 at 18:15
3
Solved
I need to execute something like:
sed '1d' simple.tsv > noHeader.tsv
which will remove first line from my big flow file (> 1 GB).
The thing is - I need to execute it on my flow file, so it'd be:
...
Grenville asked 24/2, 2017 at 16:2
3
Solved
I want to know if is it possible to use flowfile size as an argument in routeOnAttribute i want to make expression like that :
${filename.fileSize>500}
but it tells me that expression ought t...
Ringtailed asked 24/8, 2017 at 6:40
2
Solved
How can I persist the flow.xml.gz file in nifi docker container?
I am using a docker-compose file, it is giving me errors such as not finding certain files.
Didi you encounter the same issue?
Thank...
Unsatisfactory asked 8/5, 2019 at 11:0
2
Solved
I am trying to use NiFi to process large CSV files (potentially billions of records each) using HDF 1.2. I've implemented my flow, and everything is working fine for small files.
The problem is th...
Impatient asked 29/7, 2016 at 8:11
2
I tried to build my package with NiFi custom-processor using mvn clean package command and I got the following output:
[INFO] -----------------------------------------------------------------------...
Sternum asked 17/5, 2021 at 12:58
3
Solved
I just wanted to know how mini NiFi MiNiFi is different from NiFi ?
Do we have any additional feature ? Why there was a need to introduce it?
Any thoughts or link would be great help.
Minta asked 25/11, 2016 at 6:57
2
Solved
When things fail, I'd like to view the flow file, or the output (stdout+stderr) from the problematic processor. Is there an easy way to dump out all of the Flowfile's properties, or to just browse ...
Jasso asked 9/1, 2017 at 15:4
3
Solved
I’m trying to do a very simple multipart form post to an api. I can’t see any way of doing this in apache Nifi since it only seems to have one input for form data. There seem to be a lot of existin...
Marmion asked 20/7, 2019 at 7:52
4
For the life of me I can't get to the NiFi Web UI. It makes me hate security.
TLDR; I can't find the right way to start NiFi in a docker container and still access the UI. Here's what I've tried...
Yvor asked 4/3, 2018 at 5:17
2
Solved
I have a workflow where I am getting json files as a response of rest api. I am getting approximately 100k files in a session. total size of all the files is 15GB. I have to save each file to file ...
Saltire asked 15/11, 2018 at 3:37
3
Solved
i want to merge two flowfile that contain JSON object by same specified attribute...
flow1:
attribute:
xuuid = 123456
content:
{
"sname":"jack",
"id":"00001",
"state":"NY"
}
flow2:
attribute...
Misbecome asked 2/9, 2018 at 13:31
2
Solved
I am running NiFi in docker with all relevant directories mounted as volumes. I am attempting to modify some settings in my nifi.properties file, specifically to add a custom properties file. Howev...
Pothole asked 21/1, 2019 at 18:36
1
I want to know the meaning of &, @ etc. operators in JOLT. Is this documented somewhere?
Altimetry asked 3/6, 2021 at 13:43
1 Next >
© 2022 - 2024 — McMap. All rights reserved.