[jira] [Created] (NIFI-10338) When adding more nodes in a Nifi Cluster mode, new nodes cannot find existing parameter contexts

["Andreas Adamides (Jira)" <ji...@apache.org>]

Andreas Adamides created NIFI-10338:
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             Summary: When adding more nodes in a Nifi Cluster mode, new nodes cannot find existing parameter contexts
                 Key: NIFI-10338
                 URL: https://issues.apache.org/jira/browse/NIFI-10338
             Project: Apache NiFi
          Issue Type: Bug
          Components: NiFi Stateless
    Affects Versions: 1.16.1
         Environment: Kubernetes, Docker Image is based on Alpine/Java amazoncorreto: 8u312 
            Reporter: Andreas Adamides


My setup is Nifi in Cluster mode, initially with 1 node. I have created a parameter context and associated it with process groups(>1) in my Canvas. When I increase to three nodes(they successfully connect in the cluster), and when I reach the Nifi UI, to view/edit that very same parameter context I get the error:
{code:java}
No parameter context with id: "<Uuid>"
{code}
I also get the same error when I try to reach the parameter context via the APIs. When I list all parameter contexts this param context shows up, but when I try to modify or even delete via API call, I get the same error.

When I scale back to 1 node, repeat the above in the Nifi UI, I can view/edit the parameter context without any issues. 

If it matters I am using [https://github.com/cetic/helm-nifi] to deploy my Nifi Cluster. I suspect there might be a sync issue at some point, causing the new nodes to not know about that parameter context, but I cannot tell which one.

Can anyone please suggest a fix or any pointers as to how to approach this issue?



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