How To Fix CCMS_XMB030 - Application system: Receiver messages with QoS "Exactly Once in Order"

SAP Error Message - Details

• Message type: E = Error

• Message class: CCMS_XMB - CCMS: Monitoring for Exchang Infrastructure

• Message number: 030

• Message text: Application system: Receiver messages with QoS "Exactly Once in Order"

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CCMS_XMB030 - Application system: Receiver messages with QoS "Exactly Once in Order" ?

  The SAP error message CCMS_XMB030 typically relates to issues with the messaging system in SAP, particularly when dealing with the Quality of Service (QoS) setting "Exactly Once in Order" (EOIO). This QoS ensures that messages are delivered exactly once and in the order they were sent, which is crucial for certain business processes.
  Cause:
  The error message CCMS_XMB030 can occur due to several reasons, including:
  
  Message Processing Issues: If there are problems in processing messages in the correct order, such as a failure in the receiver system or a timeout, it can lead to this error.
  Configuration Errors: Incorrect configuration of the messaging system or the receiver system can lead to issues with message delivery.
  Network Issues: Network interruptions or delays can affect the delivery of messages, causing them to be out of order or not delivered at all.
  Resource Limitations: If the system is under heavy load or if there are resource constraints (like memory or CPU), it may not be able to process messages as expected.
  Database Locking: If the database is locked or if there are issues with database transactions, it can prevent messages from being processed correctly.
  
  Solution:
  To resolve the CCMS_XMB030 error, you can take the following steps:
  
  Check System Logs: Review the system logs (transaction SM21) and the application logs (transaction SLG1) for any related error messages that can provide more context.
  Monitor Message Processing: Use transaction SXMB_MONI to monitor the message processing and identify any messages that are stuck or failed.
  Check Configuration: Verify the configuration settings for the messaging system and the receiver system to ensure they are set up correctly for EOIO processing.
  Review Network Connectivity: Ensure that there are no network issues affecting communication between the systems involved in message processing.
  Resource Monitoring: Check system resources (CPU, memory, etc.) to ensure that the system is not overloaded. If necessary, optimize performance or scale resources.
  Database Health: Check the health of the database and ensure that there are no locking issues or performance bottlenecks.
  Retry Mechanism: Implement a retry mechanism for failed messages, if applicable, to ensure that they are reprocessed.
  
  Related Information:
  
  Quality of Service (QoS): Understanding the different QoS settings in SAP XI/PI/PO can help in configuring the system appropriately for your business needs.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error.
  Documentation: Refer to SAP documentation for detailed information on message processing and troubleshooting in SAP PI/PO.
  
  If the issue persists after following these steps, it may be beneficial to engage SAP support for further assistance.