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EVENT_HUB_02 - Failed to connect : Connection reset by peer

Troubleshooting


Problem

  • The behaviour is seen when we start the pipeline/job, it will fail to start with a connection reset error from the Azure Event Hub producer destination.

Symptom

  • We observe this connection error while writing to or consuming messages from Azure Event hub.

  • The error occurs in the Kubernetes environment exclusively.

Resolving The Problem

  • Usually, a connection reset occurs by the end point so most likely Event Hub is rejecting the handshake from the job.

  • Check if there is service outage.

  • Verify the Connection String Key.

  • Run the following command to check the connectivity from the SDC server/kubernetes container.

    nslookup <YourNamespaceName>.servicebus.windows.net:<portnumber>

This command should work if the environment is able to connect to Azure Event Hub.

  • Please make sure all the IP addresses and ports are whitelisted. If the namespace is utilising zone redundancy, there may be additional IPs which needs to be added.

  • Unblock the traffic and open port in firewall for communication.

Document Location

Worldwide

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Document Information

Modified date:
15 March 2025

UID

ibm17186126

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