How To Fix /IWXBE/CORE115 - MQTT channel '&1' connecting - MQTT client connected

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWXBE/CORE -

• Message number: 115

• Message text: MQTT channel '&1' connecting - MQTT client connected

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWXBE/CORE115 - MQTT channel '&1' connecting - MQTT client connected ?

  The SAP error message /IWXBE/CORE115 related to MQTT (Message Queuing Telemetry Transport) typically indicates an issue with the MQTT channel connection. The message suggests that the MQTT client is connected, but there may be underlying issues that need to be addressed.
  Cause:
  
  Configuration Issues: The MQTT channel may not be configured correctly in the SAP system. This could include incorrect broker addresses, ports, or authentication settings.
  Network Issues: There may be network connectivity problems between the SAP system and the MQTT broker.
  Broker Configuration: The MQTT broker itself may have restrictions or configurations that prevent the SAP system from connecting properly.
  Client Limitations: The MQTT broker may have a limit on the number of concurrent connections, and if this limit is reached, new connections may be rejected.
  Security Settings: If the MQTT broker requires specific security settings (like SSL/TLS), and these are not configured correctly in the SAP system, it could lead to connection issues.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the MQTT channel in the SAP system. Ensure that the broker address, port, and authentication details are correct.
  Network Connectivity: Test the network connection between the SAP system and the MQTT broker. Use tools like ping or telnet to verify connectivity.
  Broker Settings: Check the MQTT broker settings to ensure that it allows connections from the SAP system. Look for any restrictions on IP addresses or connection limits.
  Review Logs: Check the logs on both the SAP system and the MQTT broker for any error messages or warnings that could provide more context about the connection issue.
  Security Configuration: If using SSL/TLS, ensure that the necessary certificates are installed and configured correctly in the SAP system.
  Restart Services: Sometimes, simply restarting the MQTT broker or the SAP services can resolve transient issues.
  
  Related Information:
  
  Documentation: Refer to the official SAP documentation for MQTT configuration and troubleshooting.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to MQTT connectivity.
  Community Forums: Engage with SAP community forums or support channels for additional insights and shared experiences from other users facing similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.