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09-16-2022
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10-12-2023
10:57 PM
Hello All, My nifi instance crashed due to some infra issue and when I restarted it, it gave the following error - Caused by: java.lang.IllegalArgumentException: Cannot set Concurrent Tasks to 0 for component JoltTransformJSON[id=9d443567-014b-1eab-654a-69ea31a12f53] because Scheduling Strategy is not Event Driven at org.apache.nifi.controller.StandardProcessorNode.setMaxConcurrentTasks(StandardProcessorNode.java:661) I had to manually edit the flow.xml and flow.json and set concurrentTasks to 1 to bring the docker instance up. The question is, since NiFi does not allow setting concurrentTasks=0 with CRON_DRIVEN from the UI, how did so many processors end up with that setting. No one manually interefered with the flow.xml.gz or flow.json.gz ` Did anyone else ran into the same issue ? Any pointers will be helpful Thank You
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Apache NiFi
09-16-2022
12:32 AM
You need to create an initial admin account , Go to your authorizers.xml file and add your ldap username "cn=xxx,ou=xx,dc=xxx,dc=xxx" in the Initial Admin Identity property, it will create admin user and you will log on to NiFi as admin and create policies for other users
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09-16-2022
12:18 AM
I have a Handle HTTP Request Processor to receive incoming requests , which have various workflows connected to it, I want to apply authentication on this processor for incoming requests, I have figured out that I need to set "Need Authentication" and configure a secure socket layer Context service, But I have no idea how secure socket layer works, what are key stores and trust stores ? how to generate them and how to use them, Do the client needs to send certificates ? how do I verify it ? I intend to test it by sending request to this processor using Postman. Any help is appreciated, Thank You.
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Apache NiFi