KNIME Business Hub Installation with Single Node: Challenges and Solutions for Unhealthy Pod Issues

[arief_rama]

I’ve just installed KNIME Business Hub using a single node that serves as both the master and worker. However, I encountered a technical challenge with an error message like this:

kubectl support-bundle https://kots.iopod ekc-operator-5f6845f678-jhr9d owned by a ReplicaSet has phase Pending with containers Kurl has unhealthy Pod(s) ekc-operator-5f6845f678-jhr9d. Restarting the pod may fix the issue.

Is there a solution to the challenge I am facing? Can KNIME Business Hub be installed using only one node?

Let me know if you need further assistance or if there’s anything else you’d like to add!

[Dora_Oravecz]

Hi @arief_rama Business Hub can be installed on a single node:
https://docs.knime.com/latest/business_hub_installation_guide/index.html#_single_node_installation
https://docs.knime.com/latest/business_hub_installation_guide_existing_cluster/index.html#_single_node_installation

A few questions:
Is this an embedded or an existing cluster?
Are you trying to generate a support bundle?
What stage are you at with this installation?

You can try following the suggestion mentioned in the warning and restart the ekc-operator pod.
It can be restarted either via command-line:
#kubectl delete pod ekc-operator-5f6845f678-jhr9d -n kurl

Or via OpenLens, if you have it installed by clicking on the pod and deleting it, example:

[arief_rama]

Hi @Dora_Oravecz , thanks for the info!

Just this afternoon, I finally managed to install KNIME Business Hub on a single node. However, I’ve hit another technical challenge—while all the pods are running smoothly, the hub-webapp pod in the hub namespace is stuck in CrashLoopBackOff because it can’t access “http://10.32.0.160:15021/healthz/ready,” even though this link is accessible from other pods.

Any ideas on how to solve this technical issue I’m facing?

[Dora_Oravecz]

Thanks for your update - we have since then received your contact to support@knime.com, we will assist you with this new issue through that platform.
We’ll get back to you soon.